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Executive Summary.............................................................................................................................................................................. 1 1.0 Introduction ........................................................................................................................................................................... 2 2.0 Results ...................................................................................................................................................................................... 3 3.0 Process Description............................................................................................................................................................. 4 4.0 Stack Test Procedures and Methods............................................................................................................................ 5 Table ES-1 Table 4-1 Extruder Exhaust PFAS Test Results (3 Run Average) ...........................................................................1 EPA Method 1 Test Location Criteria ..........................................................................................................5 Table 1 PFAS Test Results -- Extruder Exhaust Figure 1 Figure 2 Test Port Locations-- Extruder Exhaust Traverse Point Locations-- Extruder Exhaust Appendix A Appendix B Appendix C Appendix D Appendix E Report Calculations and Nomenclature Field Data Sheets Laboratory Reports and Sample Chain of Custody Calibration Data Project Participants Barr Engineering Co. (Barr) performed per- and poly fluoroalkyl substances (PFAS) emissions tests at the Zeus Company, Inc. (Zeus) facility located in Orangeburg, South Carolina. The extruder exhaust was tested on April 18-19, 2023. The facility extrudes fluoropolymer materials for use in medical devices. Table ES-1 summarizes the stack test results of the compounds with detectable results. All OTM-45 compounds, including those that were not detected are provided in Table 1. Location Test Date Average Stack Temperature, F Air Flow Rate Acfm Dscfm Sample Volume Acf Dscf Concentration, lb/dscf Perfluoropentanoic acid (PFPeA) Perfluorononanoic acid (PFNA) Perflouroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorooctanesulfonic acid (PFOS) 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) Perfluoro-3-methoxypropanoic acid (PFMPA) Mass Emissions Rate, lb/yr Perfluoropentanoic acid (PFPeA) Perfluorononanoic acid (PFNA) Perflouroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorooctanesulfonic acid (PFOS) 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) Perfluoro-3-methoxypropanoic acid (PFMPA) Data qualifiers are provided and explained in Table 1 Extruder Exhaust 4/18-19/2023 123 1,700 1,500 117.6 116.2 9.1E-13 3.9E-14 4.3E-14 7.8E-15 1.0E-13 4.2E-14 4.6E-15 1.0E-10 5.8E-11 0.0007 0.00003 0.00003 0.000006 0.00008 0.00003 0.000004 0.080 0.045 Barr Engineering Co. (Barr) performed per- and poly fluoroalkyl substances (PFAS) emissions tests at the Zeus Company, Inc. (Zeus) facility located in Orangeburg, South Carolina. The extruder exhaust was tested on April 18-19, 2023. The PFAS tests consisted of three three-hour runs by EPA Method OTM-45. Tim Russell and Ruby Walden of Barr performed the testing and Doug Cahill of Eurofins TestAmerica (Eurofins) performed the sample recovery. Testing was performed during normal operating conditions of multiple extruders exhausting to a common stack. The PFAS stack test sample analysis was performed by Eurofins laboratories in Knoxville, Tennessee. Barr data quality scientists performed a review of the laboratory data. A final lab report was issued by Eurofins once all review and updates were complete. The lab report and sample chain of custody are provided in Appendix C. Table 1 summarizes the results of the PFAS emissions from the extruder exhaust. The back half sample (fraction 2) required dilution to measure 4,8-Dioxa-3H-perflourononanoic acid (ADONA) and Perflouro-3-methoxypropanoic acid (PFMPA) which increased the detection limits of that fraction for all other target compounds. The dilution resulted in an inability to measure the pre-sampling surrogate spike such that the percent recovery of 70% and 130% recovery was not met. The dilution was the root cause of the inability to recover the spike as evidenced by acceptable spike recoveries in the breakthrough sample (fraction 4) of the test runs. Zeus Company Inc makes small diameter extruding tubing from various performance materials including PE, PTFE, FEP, PFA, ETFE, PEEK, PVDF, Nylons, and more. Material is heated and stretched, and the off-gas emissions go to the extruder exhaust. Testing was performed from ports meeting EPA Method 1 criteria. Sample port locations and traverse point detail for the tests are provided in Figures 1 and 2. Table 4-1 provides criteria relevant to EPA Method 1 for test location acceptability. Location Extruder Exhaust Stack Diameter (inches) 12.0 Distance to Upstream Disturbances (diameters) Distance to Downstream Disturbances (diameters) >8 >2 Number of Ports 2 Number of Traverse Points 12 Volumetric airflow determinations were performed in accordance with EPA Method 2 using an S-type pitot tube in conjunction with the OTM-45 tests. Stack oxygen concentrations was measured once to verify ambient conditions with a Quantek Q22 portable oxygen meter. The meter was calibrated using one EPA Protocol calibration gas as well as ambient air. After calibration, the stack gas was confirmed ambient before testing began. Stack gas moisture content was determined by the performance of EPA Method 4, in conjunction with each modified OTM-45 test run. Moisture condensate mass gain values were determined gravimetrically. PFAS concentrations and emission rates were determined following OTM-45 Measurement of Selected Per- and Polyfluorinated Alkyl Substances from Stationary Sources. Sample train glassware preparations followed the method including the baking procedure. Solvents used in the glassware cleaning and sample recovery have previously been screened for absence of PFAS compounds. Openings of cleaned glassware were covered with rinsed aluminum foil and placed in plastic sealed bags for transport to the test site. Eurofins laboratory provided the spiked XAD traps, solvents, and deionized water. Sample impinger trains were assembled in a clean laboratory space prior to each test run, with complete train assembly performed at the test location. All openings of the train were covered with rinsed aluminum foil until connected to avoid contamination. OTM-45 sample train recovery was completed in a clean laboratory space following the method procedures. Samples containers were stored in sealed plastic bags on ice in coolers in the facility laboratory until custody was transferred to the analytical laboratory. Impinger recovery included a final rinse of deionized water to remove residual methanol/ammonium hydroxide after sample recovery had been completed. QA samples were collected as described in the method which include field media sampling blank, sample train proof blank (clean glassware), and sample train field blank (used in field-cleaned glassware). The proof blank and field blanks were prepared as described in the method. The field blank was placed at the test location for the same length of time as actual test runs. The OTM-45 samples were extracted and analyzed by Eurofins using their confidential standard operating procedures (SOP) KNOX-OP-0026 and KNOX-LC-0007. The results are reported in the Eurofins reports J31434-1. The analytical laboratory Level 2 report is provided in Appendix C. The OTM-45 sample analysis results in reporting of four discreet fractions of the PFAS sample train. Fraction 1 is the filter and probe rinse, fraction 2 is the front sorbent trap (XAD and glassware rinses), fraction 3 is the impinger catch and rinses, and fraction 4 is the backup sorbent trap used to evaluate sample breakthrough. Sample mass is reported as the sum of detected fractions. Barr has summarized the analytical results to combine the sample train detected mass fractions for each test run. Barr's data summaries include the prescribed OTM-45 flags regarding compound detections in the reagent, proof, and field train blanks. These summaries are in Appendix C. The qualifiers and flags used in the summary include the project qualifiers and the laboratory assigned qualifiers. Qualifiers applied to any individual fraction are applied to the total mass determined for the individual compound. Subsequent data calculated retain all qualifiers applied in the laboratory summaries. The list of project qualifiers includes: ND = Below MDL, no detected mass A = >30 breakthrough to backup trap. x = compound was above MDL in FMSB y = Proof Blank results is > 10% of sample fraction mass z = Field Blank results is > 10% of sample fraction mass The list of analytical qualifiers includes: *- = LCS and/or LCSD is outside acceptance limits, low biased. *+ LCS and/or LCSD is outside acceptance limits, high biased. *1 = LCS/LCSD RPD exceeds control limits. *5- = Isotope dilution analyte is outside acceptance limits, low biased. *5+ = Isotope dilution analyte is outside acceptance limits, high biased. CI = The peak identified by the data system exhibited chromatographic interference that could not be resolved. There is reason to suspect there may be a high bias. I = Value is EMPC (estimated maximum possible concentration). J = Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. S1- = Surrogate recovery exceeds control limits, low biased. R = Result unusable . Tables Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 17, 2023 TABLE 1 EPA OTM - 45 TEST RESULTS SUMMARY Extruder Exhaust Test Date Parameter Test Period Test Duration, min Average Stack Temperature, F Average Moisture Content, %V/V Air Flow Rate acfm scfm dscfm Sample Volume acf dscf dscm Isokinetic Variation, % Pollutant Concentration, lb/dscf Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Run 1 Flag Run 2 Flag Run 3 Flag Average Flag 4/18/2023 4/18/2023 4/19/2023 --- 844 - 1148 1230 - 1534 813 - 1115 --- 180 180 180 180 121 124 124 123 1.0 0.8 1.1 1.0 1,700 1,500 1,500 1,700 1,500 1,500 1,700 1,500 1,500 1,700 1,500 1,500 116.20 115.31 3.27 101.0 117.00 114.37 3.24 100.0 119.70 118.78 3.36 100.0 117.63 116.16 3.29 100.4 0 1.99E-12 0 0 0 9.10E-14 0 1.30E-13 0 1.87E-13 7.51E-14 0 0 0 1.37E-14 0 0 0 0 0 0 0 0 0 0 0 0 5.77E-11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.38E-11 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0 0 0 0 0 0 0 2.33E-14 6.71E-14 5.01E-14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.73E-10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6.34E-11 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND 0 7.29E-13 0 0 0 2.71E-14 0 0 0 4.68E-14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8.07E-11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.77E-11 0 0 0 ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 9.06E-13 0 0 0 3.94E-14 0 4.33E-14 7.77E-15 1.00E-13 4.18E-14 0 0 0 4.56E-15 0 0 0 0 0 0 0 0 0 0 0 0 1.04E-10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.83E-11 0 0 0 ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND 1 of 3 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 17, 2023 TABLE 1 EPA OTM - 45 TEST RESULTS SUMMARY Extruder Exhaust Parameter Pollutant Emission Rate, lb/hr Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Run 1 Flag Run 2 Flag Run 3 Flag Average Flag 0 1.74E-07 0 0 0 7.98E-09 0 1.14E-08 0 1.64E-08 6.59E-09 0 0 0 1.20E-09 0 0 0 0 0 0 0 0 0 0 0 0 5.07E-06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.72E-06 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0 0 0 0 0 0 0 2.1E-09 5.9E-09 4.4E-09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.5E-05 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.6E-06 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND 0 6.4E-08 0 0 0 2.4E-09 0 0 0 4.1E-09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7.1E-06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.1E-06 0 0 0 ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 7.9E-08 0 0 0 3.5E-09 0 3.8E-09 6.8E-10 8.8E-09 3.7E-09 0 0 0 4.0E-10 0 0 0 0 0 0 0 0 0 0 0 0 9.1E-06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.1E-06 0 0 0 ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND 2 of 3 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 17, 2023 TABLE 1 EPA OTM - 45 TEST RESULTS SUMMARY Extruder Exhaust Parameter Pollutant Emission Rate, lb/yr (assuming 8760 hours) Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Run 1 Flag Run 2 Flag Run 3 Flag Average Flag 0 0.001528 0 0 0 0.000070 0 0.000100 0 0.000144 0.000058 0 0 0 0.000011 0 0 0 0 0 0 0 0 0 0 0 0 0.044 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.041 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0 0 0 0 0 0 0 0.000018 0.000052 0.000039 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.133 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.049 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND 0 0.000560 0 0 0 0.000021 0 0 0 0.000036 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.062 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.044 0 0 0 ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0.000696 0 0 0 0.000030 0 0.000033 0.000006 0.000077 0.000032 0 0 0 0.000004 0 0 0 0 0 0 0 0 0 0 0 0 0.080 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.045 0 0 0 ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 = All fractions below anaytical method detection limit Project Qualifiers ND = Below MDL, no detected mass A = >30% breakthrough x = compound was above MDL in FMSB y = Proof Blank results is > 10% of sample mass z = Field Blank results is > 10% of sample mass Lab Qualifiers *- LCS and/or LCSD is outside acceptance limits, low biased. *+ LCS and/or LCSD is outside acceptance limits, high biased. *1 LCS/LCSD RPD exceeds control limits. *5- Isotope dilution analyte is outside acceptance limits, low biased. *5+ Isotope dilution analyte is outside acceptance limits, high biased. CI The peak identified by the data system exhibited chromatographic interference that could not be resolved. There is reason to suspect there may be a high bias. I Value is EMPC (estimated maximum possible concentration). J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. S1- Surrogate recovery exceeds control limits, low biased. R Result Unusable 3 of 3 Figures Appendices Appendix A Report Calculations and Nomenclature Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 13, 2023 Determination of Volumetric Air Flow Rate, Gas Composition, Moisture Content, Meter Volume and Isokinetic Sampling EPA Methods 2, 3, 4 and Isokinetics by OTM 45 Extruder Exhaust Input Data Test Date Test Period Number of Sample Ports Number of Traverse Points Duct Dimensions (diameter or Length x Width) Barometric Pressure Stack Static Pressure Average Stack Temperature Actual Dry Gas Meter Volume Dry Gas Meter Calibration Factor Average Orifice Meter Pressure Drop Average Meter Temperature Pitot Tube Coefficient Average Square Root of Velocity Head Mass of Water Vapor Condensed in Impingers Mass of Water Vapor Collected in Dessicant Gas Composition, Dry Basis Oxygen Carbon Dioxide Nitrogen + Carbon Monoxide (by difference) Nozzle Diameter Run Time Calculated Data Average Absolute Stack Temperature Tsr = Tsf + 460 Stack Pressure Ps = Pbar + Pg / 13.6 Duct Area A = PI x D2 / (4 x 144) or A = L x W / 144 Meter Volume at Standard Conditions Vmstd = 17.64 x Vm x Y x ((Pbar + (DH / 13.6)) / (Tmf + 460)) Average Moisture Content of Stack Gas MC = ((0.04175 x Vwc + 0.04715 x Vwsg) / ((0.04715 x Vwc + 0.04715 x Vwsg) + (Vmstd)) x 100 Molecular Weight of Stack Gas, dry Md = (0.44 x %CO2) + (0.32 x %O2) + (0.28 x (%N2 + %CO)) Molecular Weight of Stack Gas, wet Ms = Md x (1-(MC/100))+18 x (MC/100) Average Stack Gas Velocity Vs = 85.49 x Cp x (dP)^0.5 x ((Tsr/(Ps x Ms))^0.5) Actual Volumetric Air Flow Rate Qa = 60 x Vs x A Volumetric Air Flow Rate at Standard Conditions Qs = Qa x (528 / (Ts + 460)) x (Ps / 29.92) Dry Volumetric Air Flow Rate at Standard Conditions Qd dscfm = Qa x (1 - (MC / 100)) x (528 / Tsr) x (Ps / 29.92) Nozzle Cross-Sectional Area An =( 3.14 x Dn2) /(4 x 144) Isokinetic Variation I = (0.0945 x Tsr x Vmstd) / (Ps x Vs x An x theta x (1 - (MC / 100))) Symbol - D, L X W Pbar Pg Tsf Vm Y DH Tmf Cp (DP)^0.5 Vwc Vwsg Units - inches in. Hg in. H2O degrees F cubic feet in H2O degrees F g g %O2 %CO2 %N2 + %CO Dn theta %v/v %v/v %v/v inches minutes Run 1 4/18/2023 844 - 1148 2 12 12.00 29.75 -3.70 121 116.20 0.9953 1.34 68.08 0.84 0.589 7.5 17.4 Run 2 4/18/2023 1230 - 1534 2 12 12.00 29.75 -3.70 124 117.00 0.9953 1.36 76.13 0.84 0.590 -5.4 23.9 Run 3 4/19/2023 813 - 1115 2 12 12.00 29.90 -3.70 124 119.70 0.9953 1.44 70.88 0.84 0.613 5.2 23.6 20.0 0.5 79.5 0.250 180 20.9 0.03 79.1 0.250 180 20.9 0.03 79.1 0.250 180 Average ------ 29.80 -3.70 123.11 117.63 0.9953 1.38 71.69 0.84 0.597 2.4 21.6 20.6 0.2 79.2 0.250 180 Symbol Tsr Units degrees R Run 1 581 Run 2 584 Run 3 584 Average 583 Ps in. Hg 29.48 29.48 29.63 29.53 A Sq. ft 0.785 0.785 0.785 0.785 Vmstd-ft3 cubic feet 115.31 114.37 118.78 116.16 MC % Vol 1.01 0.76 1.13 0.97 Md lb/lbmol 28.88 28.84 28.84 28.85 Ms lb/lbmol 28.77 28.76 28.72 28.75 Vs ft/sec 35.02 35.15 36.48 35.55 Qa acfm 1,650 1,656 1,719 1,675 Qs scfm 1,477 1,476 1,538 1,497 Qd dscfm 1,462 1,465 1,521 1,483 An sq. ft 0.000341 0.000341 0.000341 0.000341 I % 101.0 100.0 100.0 100.4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 17, 2023 Determination of PFAS Concentration and Emission Rates EPA OTM-45 Extruder Exhaust Test Date Test Period Run Time Meter Volume at Standard Conditions Vmstd Meter Volume at Standard Conditions Vmstd Dry Volumetric Air Flow Rate at Standard Conditions (M2,M4, ISO Calcs) Pollutant Total Sample Mass, ng Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Symbol - theta Vmstd-ft3 Units - min cubic feet Vmstd-m3 cubic meter Qd DSCFM Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Poll-Mass ng Run 1 4/18/2023 844 - 1148 180 115.31 3.27 1,462 0 104 0 0 0 4.76 0 6.80 0 9.79 3.93 0 0 0 0.715 0 0 0 0 0 0 0 0 0 0 0 0 3020 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2813 0 0 0 Flag ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND Run 2 4/18/2023 1230 - 1534 180 114.37 3.24 1,465 0 0 0 0 0 0 0 0 1.21 3.48 2.60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8973 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3290 0 0 0 Flag ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND Run 3 4/19/2023 813 - 1115 180 118.78 3.36 1,521 0 39.3 0 0 0 1.46 0 0 0 2.52 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4349 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3107.19 0 0 0 Flag ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND Average -- -- 180 116.16 3.29 1,483 0 48 0.0 0.0 0.0 2.07 0 2 0.40 5.26 2.18 0 0.000 0 0.238 0 0 0 0 0 0.000 0 0 0 0.000 0 0 5447 0.000 0 0 0 0.000 0 0.000 0 0 0.000 0 0 0.000 0 0 0.000 0 3070 0.000 0 0 Flag ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND Zues Company, Inc Orangeburg, SC OTM-45 Calculations Page 1 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 17, 2023 Determination of PFAS Concentration and Emission Rates EPA OTM-45 Extruder Exhaust Calculated Data Pollutant Concentration, lb/dscf =Total Train mass, ng x 2.2046e-12/Vstd-ft3 Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Symbol Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Conc Units lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf Run 1 Flag Run 2 Flag Run 3 Flag Average Flag 0 1.99E-12 0 0 0 9.10E-14 0 1.30E-13 0 1.87E-13 7.51E-14 0 0 0 1.37E-14 0 0 0 0 0 0 0 0 0 0 0 0 5.77E-11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.38E-11 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0 0 0 0 0 0 0 2.33E-14 6.71E-14 5.01E-14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.73E-10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6.34E-11 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND 0 7.29E-13 0 0 0 2.71E-14 0 0 0 4.68E-14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8.07E-11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.77E-11 0 0 0 ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 9.06E-13 0 0 0 3.94E-14 0 4.33E-14 7.77E-15 1.00E-13 4.18E-14 0 0 0 4.56E-15 0 0 0 0 0 0 0 0 0 0 0 0 1.04E-10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.83E-11 0 0 0 ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND Zues Company, Inc Orangeburg, SC OTM-45 Calculations Page 2 of 4 Zues Company,Inc Orangeburg,SC Determination of PFAS Concentration and Emission Rates EPA OTM-45 Extruder Exhaust Barr Engineering Co. July 17, 2023 Calculated Data Pollutant Emission Rate, lb/hr =Conc lb/dscf x 60 min x Qd Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Symbol ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER Units lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr lb/hr Run 1 Flag Run 2 Flag 0 1.74E-07 0 0 0 7.98E-09 0 1.14E-08 0 1.64E-08 6.59E-09 0 0 0 1.20E-09 0 0 0 0 0 0 0 0 0 0 0 0 5.07E-06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.72E-06 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0 0 0 0 0 0 0 2.1E-09 5.9E-09 4.4E-09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.5E-05 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.6E-06 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND Run 3 0 6.4E-08 0 0 0 2.4E-09 0 0 0 4.1E-09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7.1E-06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.1E-06 0 0 0 Flag Average Flag ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 7.9E-08 0 0 0 3.5E-09 0 3.8E-09 6.8E-10 8.8E-09 3.7E-09 0 0 0 4.0E-10 0 0 0 0 0 0 0 0 0 0 0 0 9.1E-06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.1E-06 0 0 0 ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND Zues Company, Inc Orangeburg, SC OTM-45 Calculations Page 3 of 4 Zues Company,Inc Orangeburg,SC Determination of PFAS Concentration and Emission Rates EPA OTM-45 Extruder Exhaust Calculated Data Pollutant Emission Rate, lb/yr =Pollutant ER lb/hr x 8760 hours/year Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) 0 = below anaytical detection limit Symbol ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER Units lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr lb/yr Run 1 Flag Run 2 Flag 0 0.001528 0 0 0 0.000070 0 0.000100 0 0.000144 0.000058 0 0 0 0.000011 0 0 0 0 0 0 0 0 0 0 0 0 0.044 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.041 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0 0 0 0 0 0 0 0.000018 0.000052 0.000039 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.133 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.049 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND Run 3 0 0.000560 0 0 0 0.000021 0 0 0 0.000036 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.062 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.044 0 0 0 Barr Engineering Co. July 17, 2023 Flag Average Flag ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 0 0.000696 0 0 0 0.000030 0 0.000033 0.000006 0.000077 0.000032 0 0 0 0.000004 0 0 0 0 0 0 0 0 0 0 0 0 0.080 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.045 0 0 0 ND J ND ND ND, x,y J ND J J J, *J ND ND ND I, CI *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND J ND ND, *ND Zues Company, Inc Orangeburg, SC OTM-45 Calculations Page 4 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Minimum Detection Limit (MDL) EPA OTM-45 Extruder Exhaust Input Data Test Date Test Period Run Time Meter Volume at Standard Conditions Vmstd Meter Volume at Standard Conditions Vmstd Dry Volumetric Air Flow Rate at Standard Conditions (M2,M4, ISO Calcs) Pollutant Total Sample Mass at MDL (Sum Fractions 1,2,3), ng Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Symbol - theta Vmstd-ft3 Vmstd-m3 Qd Units - min cubic feet cubic meter dscfm Run 1 4/18/2023 844 - 1148 180 115.31 Run 2 4/18/2023 1230 - 1534 180 114.37 Run 3 4/19/2023 813 - 1115 180 118.78 3.27 1,462 3.24 1,465 3.36 1,521 Average --- 180 116.16 3.29 1,483 MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL MDL ng 965.9 953.0 579.2 832.7 ng 48.6 46.9 29.0 41.5 ng 56.4 54.3 33.6 48.1 ng 272.4 266.3 163.4 234.0 ng 78.9 72.5 46.4 65.9 ng 90.7 89.9 54.5 78.4 ng 26.0 23.5 15.3 21.6 ng 30.5 28.8 18.1 25.8 ng 14.0 13.1 8.3 11.8 ng 19.9 18.5 11.7 16.7 ng 26.5 24.8 15.7 22.3 ng 69.7 60.8 40.3 56.9 ng 28.2 27.2 16.9 24.1 ng 22.3 21.2 13.2 18.9 ng 24.0 19.5 13.6 19.0 ng 22.3 21.2 13.2 18.9 ng 25.0 24.1 15.0 21.4 ng 23.4 22.3 14.0 19.9 ng 18.4 17.2 10.9 15.5 ng 14.5 13.3 8.6 12.1 ng 21.9 20.5 12.9 18.4 ng 8.3 7.4 4.8 6.8 ng 949.2 909.6 564.2 807.6 ng 18.9 17.5 11.2 15.9 ng 1193.1 1146.6 710.3 1016.7 ng 20.0 19.0 11.9 17.0 ng 22.0 20.1 12.9 18.3 ng 112.9 111.6 67.9 97.5 ng 23.4 20.3 13.5 19.1 ng 39.6 38.6 23.7 34.0 ng 68.5 66.3 41.0 58.6 ng 2076.9 1981.3 1239.1 1765.8 ng 80.1 78.6 48.0 68.9 ng 69.3 67.7 41.6 59.5 ng 34.9 32.0 20.6 29.2 ng 20.0 19.0 11.8 17.0 ng 19.1 17.7 11.3 16.0 ng 60.7 56.5 35.9 51.0 ng 108.9 104.6 64.9 92.8 ng 63.4 59.9 37.7 53.6 ng 22.9 21.5 13.5 19.3 ng 45.3 41.9 26.8 38.0 ng 24.6 22.4 14.4 20.5 ng 79.8 75.1 47.4 67.4 ng 37.0 34.1 21.9 31.0 ng 15.1 13.7 8.9 12.6 ng 17.2 15.2 10.1 14.2 ng 18.5 16.4 10.8 15.2 ng 12.9 11.5 7.6 10.7 1 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Minimum Detection Limit (MDL) EPA OTM-45 Calculated Data Pollutant Concentration, lb/dscf =Total Train mass, ng x 2.2046e-12/Vstd-ft3 Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Extruder Exhaust Symbol Units MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc MDL-Conc lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf Run 1 1.8E-11 9.3E-13 1.1E-12 5.2E-12 1.5E-12 1.7E-12 5.0E-13 5.8E-13 2.7E-13 3.8E-13 5.1E-13 1.3E-12 5.4E-13 4.3E-13 4.6E-13 4.3E-13 4.8E-13 4.5E-13 3.5E-13 2.8E-13 4.2E-13 1.6E-13 1.8E-11 3.6E-13 2.3E-11 3.8E-13 4.2E-13 2.2E-12 4.5E-13 7.6E-13 1.3E-12 4.0E-11 1.5E-12 1.3E-12 6.7E-13 3.8E-13 3.7E-13 1.2E-12 2.1E-12 1.2E-12 4.4E-13 8.7E-13 4.7E-13 1.5E-12 7.1E-13 2.9E-13 3.3E-13 3.5E-13 2.5E-13 Run 2 1.8E-11 9.0E-13 1.0E-12 5.1E-12 1.4E-12 1.7E-12 4.5E-13 5.5E-13 2.5E-13 3.6E-13 4.8E-13 1.2E-12 5.2E-13 4.1E-13 3.8E-13 4.1E-13 4.6E-13 4.3E-13 3.3E-13 2.6E-13 3.9E-13 1.4E-13 1.8E-11 3.4E-13 2.2E-11 3.7E-13 3.9E-13 2.2E-12 3.9E-13 7.4E-13 1.3E-12 3.8E-11 1.5E-12 1.3E-12 6.2E-13 3.7E-13 3.4E-13 1.1E-12 2.0E-12 1.2E-12 4.1E-13 8.1E-13 4.3E-13 1.4E-12 6.6E-13 2.6E-13 2.9E-13 3.2E-13 2.2E-13 Run 3 1.1E-11 5.4E-13 6.2E-13 3.0E-12 8.6E-13 1.0E-12 2.8E-13 3.4E-13 1.5E-13 2.2E-13 2.9E-13 7.5E-13 3.1E-13 2.5E-13 2.5E-13 2.5E-13 2.8E-13 2.6E-13 2.0E-13 1.6E-13 2.4E-13 9.0E-14 1.0E-11 2.1E-13 1.3E-11 2.2E-13 2.4E-13 1.3E-12 2.5E-13 4.4E-13 7.6E-13 2.3E-11 8.9E-13 7.7E-13 3.8E-13 2.2E-13 2.1E-13 6.7E-13 1.2E-12 7.0E-13 2.5E-13 5.0E-13 2.7E-13 8.8E-13 4.1E-13 1.7E-13 1.9E-13 2.0E-13 1.4E-13 Average 1.6E-11 7.9E-13 9.2E-13 4.5E-12 1.3E-12 1.5E-12 4.1E-13 4.9E-13 2.2E-13 3.2E-13 4.3E-13 1.1E-12 4.6E-13 3.6E-13 3.6E-13 3.6E-13 4.1E-13 3.8E-13 3.0E-13 2.3E-13 3.5E-13 1.3E-13 1.5E-11 3.0E-13 1.9E-11 3.2E-13 3.5E-13 1.9E-12 3.6E-13 6.5E-13 1.1E-12 3.4E-11 1.3E-12 1.1E-12 5.6E-13 3.2E-13 3.1E-13 9.7E-13 1.8E-12 1.0E-12 3.7E-13 7.2E-13 3.9E-13 1.3E-12 5.9E-13 2.4E-13 2.7E-13 2.9E-13 2.0E-13 2 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Minimum Detection Limit (MDL) EPA OTM-45 Calculated Data Pollutant Emission Rate, lb/hr =Poll Mass, ng x 2.204 e-12 x 60 min x Qd-dscfm Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Extruder Exhaust Symbol Units MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr MDL-ER lb/hr Run 1 1.62E-06 8.16E-08 9.46E-08 4.57E-07 1.32E-07 1.52E-07 4.36E-08 5.11E-08 2.36E-08 3.33E-08 4.44E-08 1.17E-07 4.74E-08 3.74E-08 4.02E-08 3.74E-08 4.19E-08 3.93E-08 3.09E-08 2.43E-08 3.67E-08 1.39E-08 1.59E-06 3.17E-08 2.00E-06 3.36E-08 3.70E-08 1.89E-07 3.93E-08 6.64E-08 1.15E-07 3.48E-06 1.34E-07 1.16E-07 5.85E-08 3.35E-08 3.21E-08 1.02E-07 1.83E-07 1.06E-07 3.84E-08 7.60E-08 4.12E-08 1.34E-07 6.20E-08 2.54E-08 2.88E-08 3.11E-08 2.17E-08 Run 2 1.61E-06 7.94E-08 9.20E-08 4.51E-07 1.23E-07 1.52E-07 3.99E-08 4.87E-08 2.21E-08 3.13E-08 4.20E-08 1.03E-07 4.60E-08 3.60E-08 3.31E-08 3.59E-08 4.09E-08 3.77E-08 2.92E-08 2.25E-08 3.47E-08 1.25E-08 1.54E-06 2.97E-08 1.94E-06 3.23E-08 3.40E-08 1.89E-07 3.44E-08 6.54E-08 1.12E-07 3.36E-06 1.33E-07 1.15E-07 5.43E-08 3.23E-08 2.99E-08 9.57E-08 1.77E-07 1.02E-07 3.64E-08 7.09E-08 3.80E-08 1.27E-07 5.78E-08 2.31E-08 2.58E-08 2.77E-08 1.95E-08 Run 3 9.81E-07 4.91E-08 5.70E-08 2.77E-07 7.86E-08 9.23E-08 2.59E-08 3.06E-08 1.40E-08 1.98E-08 2.67E-08 6.82E-08 2.86E-08 2.24E-08 2.31E-08 2.24E-08 2.54E-08 2.37E-08 1.84E-08 1.45E-08 2.18E-08 8.20E-09 9.56E-07 1.90E-08 1.20E-06 2.01E-08 2.18E-08 1.15E-07 2.29E-08 4.02E-08 6.94E-08 2.10E-06 8.13E-08 7.04E-08 3.48E-08 2.01E-08 1.92E-08 6.07E-08 1.10E-07 6.38E-08 2.29E-08 4.54E-08 2.45E-08 8.02E-08 3.70E-08 1.51E-08 1.71E-08 1.83E-08 1.28E-08 Average 1.41E-06 7.00E-08 8.12E-08 3.95E-07 1.11E-07 1.32E-07 3.65E-08 4.35E-08 1.99E-08 2.81E-08 3.77E-08 9.60E-08 4.06E-08 3.19E-08 3.21E-08 3.19E-08 3.61E-08 3.36E-08 2.62E-08 2.04E-08 3.11E-08 1.15E-08 1.36E-06 2.68E-08 1.72E-06 2.86E-08 3.09E-08 1.64E-07 3.22E-08 5.73E-08 9.89E-08 2.98E-06 1.16E-07 1.00E-07 4.92E-08 2.86E-08 2.71E-08 8.61E-08 1.57E-07 9.05E-08 3.26E-08 6.41E-08 3.46E-08 1.14E-07 5.23E-08 2.12E-08 2.39E-08 2.57E-08 1.80E-08 3 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Minimum Detection Limit (MDL) EPA OTM-45 Calculated Data Pollutant Emission Rate, lb/yr =Pollutant ER lb/hr x 8760 hours/year Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Extruder Exhaust Symbol Units MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr MDL-ER lb/yr Run 1 0.0142 0.0007 0.0008 0.0040 0.0012 0.0013 0.0004 0.0004 0.0002 0.0003 0.0004 0.0010 0.0004 0.0003 0.0004 0.0003 0.0004 0.0003 0.0003 0.0002 0.0003 0.0001 0.0139 0.0003 0.0175 0.0003 0.0003 0.0017 0.0003 0.0006 0.0010 0.0305 0.0012 0.0010 0.0005 0.0003 0.0003 0.0009 0.0016 0.0009 0.0003 0.0007 0.0004 0.0012 0.0005 0.0002 0.0003 0.0003 0.0002 Run 2 0.0141 0.0007 0.0008 0.0040 0.0011 0.0013 0.0003 0.0004 0.0002 0.0003 0.0004 0.0009 0.0004 0.0003 0.0003 0.0003 0.0004 0.0003 0.0003 0.0002 0.0003 0.0001 0.0135 0.0003 0.0170 0.0003 0.0003 0.0017 0.0003 0.0006 0.0010 0.0294 0.0012 0.0010 0.0005 0.0003 0.0003 0.0008 0.0016 0.0009 0.0003 0.0006 0.0003 0.0011 0.0005 0.0002 0.0002 0.0002 0.0002 Run 3 Average 0.0086 0.0004 0.0005 0.0024 0.0007 0.0008 0.0002 0.0003 0.0001 0.0002 0.0002 0.0006 0.0003 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0001 0.0002 0.0001 0.0084 0.0002 0.0105 0.0002 0.0002 0.0010 0.0002 0.0004 0.0006 0.0184 0.0007 0.0006 0.0003 0.0002 0.0002 0.0005 0.0010 0.0006 0.0002 0.0004 0.0002 0.0007 0.0003 0.0001 0.0001 0.0002 0.0001 0.0123 0.0006 0.0007 0.0035 0.0010 0.0012 0.0003 0.0004 0.0002 0.0002 0.0003 0.0008 0.0004 0.0003 0.0003 0.0003 0.0003 0.0003 0.0002 0.0002 0.0003 0.0001 0.0119 0.0002 0.0150 0.0003 0.0003 0.0014 0.0003 0.0005 0.0009 0.0261 0.0010 0.0009 0.0004 0.0003 0.0002 0.0008 0.0014 0.0008 0.0003 0.0006 0.0003 0.0010 0.0005 0.0002 0.0002 0.0002 0.0002 4 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Reporting Limit (RL) EPA OTM-45 Extruder Exhaust Input Data Test Date Test Period Run Time Meter Volume at Standard Conditions Vmstd Dry Volumetric Air Flow Rate at Standard Conditions (M2,M4, ISO Calcs) Pollutant Total Sample Mass at RL (Sum Fractions 1,2,3), ng Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Symbol - - theta Vmstd-ft3 Qd RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL Units - min cubic feet dscfm Run 1 4/18/2023 844 - 1148 180 115.31 Run 2 4/18/2023 1230 - 1534 180 114.37 Run 3 4/19/2023 813 - 1115 180 118.78 1,462 1,465 1,521 Average --- 180 116.16 1,483 ng 1040.1 1020.3 622.6 894.3 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 320.4 310.5 191.6 274.2 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 1099.4 1010.5 652.6 920.8 ng 120.4 110.5 70.8 100.6 ng 2099.4 2010.5 1250.6 1786.8 ng 120.4 149.8 70.8 113.7 ng 120.4 110.5 70.8 100.6 ng 220.4 210.5 130.6 187.2 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 149.8 70.8 113.7 ng 2099.4 2010.5 1250.6 1786.8 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 149.8 70.8 113.7 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 ng 120.4 110.5 70.8 100.6 1 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Reporting Limit (RL) EPA OTM-45 Calculated Data Pollutant Concentration, lb/dscf =Total Train mass, ng x 2.2046e-12/Vstd-ft3 Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Extruder Exhaust Symbol Units RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc RL-Conc lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf lb/dscf Run 1 2.0E-11 2.3E-12 2.3E-12 6.1E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.1E-11 2.3E-12 4.0E-11 2.3E-12 2.3E-12 4.2E-12 2.3E-12 2.3E-12 2.3E-12 4.0E-11 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 2.3E-12 Run 2 2.0E-11 2.1E-12 2.1E-12 6.0E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 1.9E-11 2.1E-12 3.9E-11 2.9E-12 2.1E-12 4.1E-12 2.1E-12 2.1E-12 2.9E-12 3.9E-11 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.9E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 2.1E-12 Run 3 1.2E-11 1.3E-12 1.3E-12 3.6E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.2E-11 1.3E-12 2.3E-11 1.3E-12 1.3E-12 2.4E-12 1.3E-12 1.3E-12 1.3E-12 2.3E-11 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 1.3E-12 Average 1.7E-11 1.9E-12 1.9E-12 5.2E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.8E-11 1.9E-12 3.4E-11 2.2E-12 1.9E-12 3.6E-12 1.9E-12 1.9E-12 2.2E-12 3.4E-11 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 2.2E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 1.9E-12 2 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Reporting Limit (RL) EPA OTM-45 Calculated Data Pollutant Emission Rate, lb/hr =Poll Mass, ng x 2.204 e-12 x 60 min x Qd-dscfm Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Extruder Exhaust Symbol Units RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr RL-ER lb/hr Run 1 1.74E-06 2.02E-07 2.02E-07 5.37E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 1.84E-06 2.02E-07 3.52E-06 2.02E-07 2.02E-07 3.70E-07 2.02E-07 2.02E-07 2.02E-07 3.52E-06 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 2.02E-07 Run 2 1.73E-06 1.87E-07 1.87E-07 5.26E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.71E-06 1.87E-07 3.41E-06 2.54E-07 1.87E-07 3.57E-07 1.87E-07 1.87E-07 2.54E-07 3.41E-06 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 2.54E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 1.87E-07 Run 3 1.05E-06 1.20E-07 1.20E-07 3.25E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.11E-06 1.20E-07 2.12E-06 1.20E-07 1.20E-07 2.21E-07 1.20E-07 1.20E-07 1.20E-07 2.12E-06 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 1.20E-07 Average 1.51E-06 1.70E-07 1.70E-07 4.63E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.55E-06 1.70E-07 3.02E-06 1.92E-07 1.70E-07 3.16E-07 1.70E-07 1.70E-07 1.92E-07 3.02E-06 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.92E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 1.70E-07 3 of 4 Zues Company,Inc Orangeburg,SC Barr Engineering Co. July 14, 2023 PFAS Results at Reporting Limit (RL) EPA OTM-45 Calculated Data Pollutant Emission Rate, lb/yr =Pollutant ER lb/hr x 8760 hours/year Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Extruder Exhaust Symbol Units RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr RL-ER lb/yr Run 1 0.0153 0.0018 0.0018 0.0047 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0162 0.0018 0.0308 0.0018 0.0018 0.0032 0.0018 0.0018 0.0018 0.0308 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 0.0018 Run 2 0.0151 0.0016 0.0016 0.0046 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0150 0.0016 0.0298 0.0022 0.0016 0.0031 0.0016 0.0016 0.0022 0.0298 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0022 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 Run 3 Average 0.0092 0.0011 0.0011 0.0028 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0097 0.0011 0.0186 0.0011 0.0011 0.0019 0.0011 0.0011 0.0011 0.0186 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0011 0.0132 0.0015 0.0015 0.0041 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0136 0.0015 0.0264 0.0017 0.0015 0.0028 0.0015 0.0015 0.0017 0.0264 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 0.0017 0.0015 0.0015 0.0015 0.0015 0.0015 0.0015 4 of 4 Appendix B Field Data Sheets EPA OTM 45 - Field Data Sheet - Run 1 Project Zues Company,Inc Sample Location Extruder Exhaust Date 04/18/23 Test 1 Run # Operators TMR /RCW4 Sample Point Start Time 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Sample Time DT 844 7.5 15.0 22.5 30.0 37.5 45.0 52.5 60.0 67.5 75.0 82.5 90.0 97.5 105.0 112.5 120.0 127.5 135.0 142.5 150.0 157.5 165.0 172.5 180.0 Actual Meter Vol Vm, ft3 63.30 68.46 73.30 79.42 84.81 89.83 94.67 99.34 104.08 108.95 113.33 117.44 121.44 126.25 130.94 136.05 141.13 145.98 150.88 155.58 160.40 165.15 169.87 174.50 179.50 End Time Run Time 1148 180 XAD Primary TC ID XAD Breakthrough TC ID M23-14 BA-04 Meter ID Meter Y Orifice dH@ 1 Velocity Head DP, in. H2O 0.450 0.440 0.440 0.440 0.340 0.310 0.330 0.380 0.340 0.270 0.250 0.230 0.350 0.400 0.400 0.400 0.300 0.340 0.330 0.330 0.350 0.290 0.330 0.350 Avg DH= Filter No. Nozzle No. Nozzle Dn. Orifice DH in. H2O 1.69 1.66 1.66 1.66 1.30 1.18 1.26 1.45 1.30 1.04 0.96 0.88 1.34 1.53 1.53 1.53 1.15 1.30 1.27 1.27 1.35 1.12 1.27 1.35 1.34 Glass Glass 0.250 C-17 0.9953 1.8368 Probe ID 2-1 Pitot Tube No. 2-1 Pitot Cp 0.84 Liner Type: Glass Ideal Point Volume Vm, ft3 5.40 5.34 5.35 5.35 4.73 4.53 4.67 5.02 4.75 4.25 4.09 3.93 4.83 5.16 5.17 5.17 4.49 4.79 4.72 4.72 4.87 4.44 4.73 4.89 Ideal Meter Vol Vm, ft3 68.70 74.04 79.39 84.73 89.47 93.99 98.66 103.69 108.44 112.68 116.78 120.70 125.54 130.70 135.87 141.05 145.54 150.32 155.04 159.76 164.63 169.08 173.81 178.69 Sample Train Vacuum in. Hg 7.5 7.5 7.5 7.5 6.5 6.0 6.0 6.5 6.0 5.5 5.0 4.5 6.0 6.5 6.5 6.5 6.0 6.0 6.0 6.0 6.0 5.5 6.0 6.0 MOISTURE Impinger Final wt., g Initial wt., g Difference Avg Ts= RECOVERY DATA : 1 2 267.6 506.6 268.0 505.6 -0.4 1.0 Bar.Press. Stat Press. CPM TC IMP Out TC Barometer ID 29.75 -3.7 M5 FO-9 9122 M23-11 in. Hg in. H2O Stack Temp Ts,F 123 124 123 123 118 117 118 118 118 118 118 118 117 124 124 124 125 123 124 124 123 122 123 122 Probe 250 249 250 250 249 251 250 250 250 249 250 251 248 250 251 250 250 249 250 249 252 250 251 251 Filter Oultet 225 234 235 236 235 237 237 235 236 236 238 240 239 241 236 234 235 234 234 238 239 237 239 241 121.29 3 798.4 794.1 4.3 4 732.5 733.8 -1.3 5 738.9 737.4 1.5 Sample Train Leak Pretest 0.000 Posttest 0.000 Pretest Pitot leak Check Pos Posttest Pitot leak Check Neg Rate, cfm: at 15 at 7.5 PASS PASS in. Hg in. Hg @ >3" w.c @ >3" w.c Sample Train Temperatures, F Primary Breakthrough XAD Trap XAD Trap Impinger Outlet 42 43 62 40 45 66 39 44 66 49 50 67 40 42 66 40 52 65 39 49 66 38 48 67 39 49 66 39 49 67 40 50 66 40 50 65 41 51 67 39 49 67 40 50 66 40 50 67 40 50 66 42 51 65 42 50 64 40 49 62 40 50 63 40 50 63 41 51 64 41 51 65 Meter Inlet 62 62 62 63 63 64 65 65 66 67 67 66 69 70 70 71 71 72 72 73 73 73 74 74 6 295.4 296.0 -0.6 7 372.1 369.1 3.0 Avg Tm= Desiccant 832.5 815.1 17.4 68.08 Total 24.9 EPA OTM 45 - Field Data Sheet - Run 2 Project Zues Company,Inc Sample Location Extruder Exhaust Date 04/18/23 Test 1 Run # Operators TMR /RCW4 Sample Point Start Time 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Sample Time DT 1230 7.5 15.0 22.5 30.0 37.5 45.0 52.5 60.0 67.5 75.0 82.5 90.0 97.5 105.0 112.5 120.0 127.5 135.0 142.5 150.0 157.5 165.0 172.5 180.0 Actual Meter Vol Vm, ft3 180.10 185.45 190.80 196.21 201.85 207.05 212.09 216.91 221.70 226.40 230.77 235.00 238.98 243.75 248.72 253.86 259.20 264.22 269.53 274.45 279.50 284.17 288.59 293.00 297.10 End Time Run Time 1534 180 XAD Primary TC ID XAD Breakthrough TC ID M23-5 BA-04 Meter ID Meter Y Orifice dH@ 2 Velocity Head DP, in. H2O 0.450 0.440 0.450 0.460 0.340 0.360 0.300 0.330 0.320 0.270 0.250 0.230 0.330 0.410 0.410 0.420 0.360 0.370 0.360 0.340 0.300 0.290 0.310 0.320 Avg DH= Filter No. Nozzle No. Nozzle Dn. Orifice DH in. H2O 1.74 1.70 1.74 1.78 1.32 1.40 1.16 1.28 1.24 1.05 0.97 0.89 1.28 1.58 1.58 1.62 1.39 1.43 1.39 1.31 1.16 1.12 1.20 1.24 1.36 Glass Glass 0.250 C-17 0.9953 1.8368 Probe ID 2-1 Pitot Tube No. 2-1 Pitot Cp 0.84 Liner Type: Glass Ideal Point Volume Vm, ft3 5.53 5.47 5.54 5.61 4.83 4.98 4.55 4.77 4.69 4.31 4.15 3.98 4.77 5.30 5.30 5.35 4.96 5.04 4.97 4.83 4.54 4.46 4.61 4.69 Ideal Meter Vol Vm, ft3 185.63 191.11 196.65 202.26 207.09 212.06 216.61 221.37 226.07 230.38 234.53 238.52 243.29 248.59 253.88 259.24 264.20 269.24 274.21 279.04 283.58 288.04 292.66 297.34 Sample Train Vacuum in. Hg 7.0 7.0 7.0 7.5 6.5 6.5 6.0 6.0 5.5 5.0 5.0 4.5 5.5 6.5 6.5 7.0 6.5 6.5 6.5 6.0 5.5 5.0 5.0 5.0 MOISTURE Impinger Final wt., g Initial wt., g Difference Avg Ts= RECOVERY DATA : 1 2 237.9 490.2 238.5 490.0 -0.6 0.2 Bar.Press. Stat Press. CPM TC IMP Out TC Barometer ID 29.75 -3.7 M5 FO-6 9122 M23-11 in. Hg in. H2O Stack Temp Ts,F 123 123 123 123 122 122 122 122 122 122 122 122 120 125 125 126 125 126 125 126 126 126 126 126 Probe 250 250 249 249 251 252 250 252 251 250 250 249 249 250 251 250 251 250 250 249 250 249 250 251 Filter Oultet 223 228 225 228 232 233 235 236 236 237 238 239 238 244 244 240 240 240 241 239 239 240 243 244 123.75 3 745.6 752.0 -6.4 4 741.7 741.9 -0.2 5 734.2 735.0 -0.8 Sample Train Leak Pretest 0.000 Posttest 0.000 Pretest Pitot leak Check Pos Posttest Pitot leak Check Neg Rate, cfm: at 15 at 7.5 PASS PASS in. Hg in. Hg @ >3" w.c @ >3" w.c Sample Train Temperatures, F Primary Breakthrough XAD Trap XAD Trap Impinger Outlet 46 56 63 44 54 63 44 54 65 43 53 66 44 54 59 53 53 59 43 53 58 43 53 57 45 55 57 44 55 58 43 53 58 44 54 59 46 55 63 44 54 56 46 55 56 48 56 58 44 55 57 46 56 57 46 56 57 48 57 59 49 58 60 50 59 61 51 60 62 52 61 63 Meter Inlet 74 75 75 75 76 76 76 76 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 6 293.9 294.5 -0.6 7 369.6 366.6 3.0 Avg Tm= Desiccant 886.4 862.5 23.9 76.13 Total 18.5 EPA OTM 45 - Field Data Sheet - Run 3 Project Zues Company,Inc Sample Location Extruder Exhaust Date 04/19/23 Test 1 Run # Operators TMR /RCW4 Sample Point Start Time 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Sample Time DT 813 7.5 15.0 22.5 30.0 37.5 45.0 52.5 60.0 67.5 75.0 82.5 90.0 97.5 105.0 112.5 120.0 127.5 135.0 142.5 150.0 157.5 165.0 172.5 180.0 Actual Meter Vol Vm, ft3 297.40 302.67 308.00 313.50 318.81 323.72 328.79 333.83 338.75 343.85 349.05 354.06 358.86 364.15 369.75 375.20 380.60 385.52 390.62 395.66 400.23 405.00 409.30 413.40 417.10 End Time Run Time 1115 180 XAD Primary TC ID XAD Breakthrough TC ID M23-14 BA-04 Meter ID Meter Y Orifice dH@ 3 Velocity Head DP, in. H2O 0.430 0.440 0.440 0.450 0.360 0.390 0.380 0.380 0.400 0.410 0.380 0.350 0.450 0.460 0.440 0.430 0.380 0.390 0.340 0.300 0.340 0.270 0.250 0.230 Avg DH= Filter No. Nozzle No. Nozzle Dn. Orifice DH in. H2O 1.63 1.65 1.65 1.69 1.36 1.47 1.43 1.43 1.51 1.55 1.44 1.33 1.71 1.75 1.68 1.64 1.45 1.49 1.30 1.15 1.30 1.03 0.96 0.88 1.44 Glass Glass 0.250 C-17 0.9953 1.8368 Probe ID 2-1 Pitot Tube No. 2-1 Pitot Cp 0.84 Liner Type: Glass Ideal Point Volume Vm, ft3 5.31 5.33 5.33 5.40 4.84 5.04 4.99 4.99 5.12 5.20 5.01 4.81 5.46 5.53 5.43 5.36 5.04 5.11 4.78 4.50 4.78 4.27 4.11 3.95 Ideal Meter Vol Vm, ft3 302.71 308.03 313.36 318.76 323.60 328.64 333.62 338.61 343.73 348.93 353.94 358.76 364.21 369.74 375.17 380.53 385.57 390.68 395.45 399.95 404.74 409.01 413.12 417.07 Sample Train Vacuum in. Hg 6.0 6.0 6.0 6.0 5.0 5.5 5.5 5.5 6.0 6.0 5.5 5.0 6.0 6.0 6.0 6.0 5.5 5.5 5.0 5.0 5.0 4.5 4.0 4.0 MOISTURE Impinger Final wt., g Initial wt., g Difference Avg Ts= RECOVERY DATA : 1 2 272.0 514.0 263.0 513.0 9.0 1.0 Bar.Press. Stat Press. CPM TC IMP Out TC 29.90 -3.7 M5 FO-9 9122 in. Hg in. H2O Stack Temp Ts,F 118 125 125 125 122 125 124 124 124 124 124 124 125 125 125 125 125 125 125 125 125 125 125 124 124.29 3 682.2 735.2 -53.0 Probe 250 250 251 250 249 250 249 251 250 250 251 249 250 250 250 250 252 250 250 251 250 251 251 250 4 722.7 741.6 -18.9 Filter Oultet 218 223 222 224 228 230 233 237 235 235 236 234 232 234 234 234 234 233 231 232 233 233 234 235 5 812.8 744.8 68.0 Sample Train Leak Pretest 0.000 Posttest 0.000 Pretest Pitot leak Check Pos Posttest Pitot leak Check Neg Rate, cfm: at 15 at 7.5 PASS PASS in. Hg in. Hg @ >3" w.c @ >3" w.c Sample Train Temperatures, F Primary Breakthrough XAD Trap XAD Trap Impinger Outlet 58 64 64 41 60 65 39 58 65 40 55 66 38 50 66 39 51 67 39 49 66 40 50 67 40 50 67 40 50 66 40 50 67 38 48 65 37 47 66 35 46 66 35 45 66 34 44 66 34 44 64 34 45 64 34 44 64 34 44 65 34 44 66 34 45 64 34 44 64 34 44 65 Meter Inlet 64 64 65 65 66 67 67 68 69 70 70 71 72 74 73 73 74 74 75 75 76 76 76 77 6 290.3 291.3 -1.0 Avg Tm= 7 350.9 350.8 0.1 70.88 Desiccant 894.2 870.6 23.6 Total 28.8 Appendix C Laboratory Reports and Sample Chain of Custody Zues Company,Inc Orangeburg,SC Laboratory Sample ID Compound Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) OTM-45 Laboratory Results Summary Reagent Blanks (FSMB) Extruder Exhaust XAD Resin Trap 140-31434-21 MEOH/5% NH4OH 140-31434-22 Filter 140-31434-23 Barr Engineering Co. July 14, 2023 DI Water 140-31434-24 Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL 0 0 0 0 0.719 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CI 10.0 9.40 0 ND 1.00 0.450 0 ND 1.00 0.520 0 ND 3.00 2.60 0 J 1.00 0.660 0 ND 1.00 0.890 0 ND 1.00 0.210 0 ND 1.00 0.270 0 ND 1.00 0.120 0 *- 1.00 0.170 0 ND 1.00 0.230 0 ND 1.00 0.520 0 ND 1.00 0.260 0 ND 1.00 0.200 0 ND 1.00 0.150 0 *- 1.00 0.200 0 ND 1.00 0.230 0 ND 1.00 0.210 0 *- 1.00 0.160 0 ND 1.00 0.120 0 ND 1.00 0.190 0 ND 1.00 0.0640 0 ND 10.00 8.70 0 ND 1.00 0.160 0 ND 20.00 11.0 0 *- 1.00 0.180 0 *- 1.00 0.180 0 *+ 2.00 1.10 0 ND 1.00 0.170 0 ND 20.00 0.370 0 *-, *1 1.00 0.640 0 ND 1.0 19.8 0 ND 1.00 0.770 0 ND 1.00 0.660 0 ND 1.00 0.290 0 *-, *1 1.00 0.180 0 ND 1.00 0.160 0 ND 1.00 0.520 0 ND 1.00 1.00 0 ND 1.00 0.560 0 ND 1.00 0.200 0 *1 1.00 0.380 0 ND 1.00 0.200 0 ND 1.00 0.700 0 ND 1.00 0.310 0 ND 1.00 0.120 0 ND 1.00 0.130 0 *- 1.00 0.140 0 ND 1.00 0.100 0 ND ND ND ND ND ND ND ND ND *ND ND ND ND ND *ND ND *ND ND ND ND ND ND ***+ ND ND *-, *1 ND ND ND ND *-, *1 ND ND ND ND ND *1 ND ND ND ND ND *ND 10.0 9.40 0 1.00 0.450 0 1.00 0.520 0 3.00 2.60 0 1.00 0.660 0 1.00 0.890 0 1.00 0.210 0 1.00 0.270 0 1.00 0.120 0 1.00 0.170 0 1.00 0.230 0 1.00 0.520 0 1.00 0.260 0 1.00 0.200 0 1.00 0.150 0 1.00 0.200 0 1.00 0.230 0 1.00 0.210 0 1.00 0.160 0 1.00 0.120 0 1.00 0.190 0 1.00 0.0640 0 10.0 8.70 0 1.00 0.160 0 20.0 11.0 0 1.00 0.180 0 1.00 0.180 0 2.00 1.10 0 1.00 0.170 0 1.00 0.370 0 1.00 0.640 0 20.0 19.8 0 1.00 0.770 0 1.00 0.660 0 1.00 0.290 0 1.00 0.180 0 1.00 0.160 0 1.00 0.520 0 1.00 1.00 0 1.00 0.560 0 1.00 0.200 0 1.00 0.380 0 1.00 0.200 0 1.00 0.700 0 1.00 0.310 0 1.00 0.120 0 1.00 0.130 0 1.00 0.140 0 1.00 0.100 0 ND 2.00 1.30 0 ND 1.00 0.180 0 ND 1.00 0.210 0 ND 1.00 0.620 0 ND 1.00 0.650 0 ND 1.00 0.0850 0 ND 1.00 0.250 0 ND 1.00 0.170 0 ND 1.00 0.100 0 ND 1.00 0.140 0 ND 1.00 0.170 0 ND 1.00 0.290 0 ND 1.00 0.220 0 ND 1.00 0.890 0 ND 1.00 0.120 0 ND 1.00 0.110 0 ND 1.00 0.110 0 ND 1.00 0.450 0 ND 1.00 0.120 0 ND 1.00 0.110 0 ND 1.00 0.0950 0 ND 1.00 0.220 0 ND 1.00 0.0880 0 ND 1.00 0.160 0 ND 1.00 0.150 0 ND 5.00 4.90 0 ND 1.00 0.120 0 ND 1.00 0.140 0 ND 1.00 0.120 0 ND 1.00 0.0910 0 ND 5.00 4.00 0 ND 1.00 0.140 0 ND 1.00 0.320 0 ND 1.00 0.290 0 ND 1.00 0.480 0 ND 1.00 0.350 0 ND 1.00 0.430 0 ND 1.00 0.350 0 ND 1.00 0.420 0 ND 1.00 0.140 0 ND 1.00 0.220 0 ND 1.00 0.140 0 ND 5.00 4.70 0 ND 1.00 0.0980 0 ND 1.00 0.200 0 ND 1.00 0.150 0 ND 1.00 0.200 0 ND 1.00 0.150 0 ND 1.00 0.140 0 ND 0.500 0.200 ND 0.500 0.0650 ND 0.500 0.190 ND 0.500 0.153 ND 0.500 0.0950 ND 0.500 0.0525 ND 0.500 0.0650 ND 0.500 0.0750 ND 0.500 0.0525 ND 0.500 0.0800 ND 0.500 0.113 ND 0.500 0.0450 ND 0.500 0.0575 ND 0.500 0.115 ND 0.500 0.0650 ND 0.500 0.0825 ND 0.500 0.200 ND 0.500 0.0600 ND 0.500 0.0375 ND 0.500 0.103 ND 0.500 0.0750 ND 0.500 0.0575 ND 0.500 0.138 ND 0.500 0.130 ND 0.500 0.235 ND 0.500 0.0650 ND 0.500 0.0700 ND 0.500 0.140 ND 0.500 0.108 ND 0.500 0.185 ND 0.500 0.128 ND 0.500 0.103 ND 0.500 0.0850 ND 0.500 0.135 ND 0.500 0.143 ND 0.500 0.0800 ND 0.500 0.145 ND 0.500 0.300 ND 0.500 0.300 ND 0.500 0.375 ND 0.500 0.0900 ND 0.500 0.325 ND 0.500 0.200 ND 0.500 0.300 ND 0.500 0.220 ND 0.500 0.145 ND 0.500 0.198 ND 0.500 0.160 ND 0.500 0.128 Zues Company,Inc Orangeburg,SC Laboratory Sample ID Compound Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Fraction 1 , ng Filter and FH Rinse 140-31434-17 OTM-45 Laboratory Results Summary Sample Train Proof Blank (STPB) Extruder Exhaust Fraction 2, ng BH Rinse and Primary XAD 140-31434-18 Fraction 3, ng Cond/Imp water and Rinse 140-31434-19 Barr Engineering Co. July 14, 2023 Fraction 4, ng Back up XAD trap 140-31434-20 Fractions 1-3 Total Mass, ng 0 ND 2.00 1.30 0 ND 10.0 9.40 0 CI 0.500 0.200 0 CI 10.0 9.40 0 CI 0 ND 1.00 0.180 0.718 J 1.00 0.450 0 ND 0.500 0.0650 0 ND 1.00 0.450 0.718 J 0 ND 1.00 0.210 0 ND 1.00 0.520 0 ND 0.500 0.190 0 ND 1.00 0.520 0.00 ND 0 ND 1.00 0.620 0 ND 3.00 2.60 0 ND 0.500 0.153 0 ND 3.00 2.60 0 ND 0 ND 1.00 0.650 1.40 1.00 0.660 0 ND 0.500 0.0950 0.671 J 1.00 0.660 1.4 0 ND 1.00 0.0850 0 ND 1.00 0.890 0 ND 0.500 0.0525 0 ND 1.00 0.890 0 ND 0 ND 1.00 0.250 0 ND 1.00 0.210 0 ND 0.500 0.0650 0 ND 1.00 0.210 0 ND 0 ND 1.00 0.170 0 ND 1.00 0.270 0 ND 0.500 0.0750 0 ND 1.00 0.270 0 ND 0 ND 1.00 0.100 0 ND 1.00 0.120 0 ND 0.500 0.0525 0 ND 1.00 0.120 0 ND 0 ND 1.00 0.140 0 *- 1.00 0.170 0 ND 0.500 0.0800 0 *- 1.00 0.170 0 *- 0 ND 1.00 0.170 0.00 ND, R 1.00 0.230 0 ND 0.500 0.113 0 ND 1.00 0.230 0 ND, R 0 ND 1.00 0.890 0 ND 1.00 0.520 0 ND 0.500 0.0450 0 ND 1.00 0.520 0 ND 0 ND 1.00 0.110 0 ND 1.00 0.260 0 ND 0.500 0.0575 0 ND 1.00 0.260 0 ND 0 ND 1.00 0.110 0 ND 1.00 0.200 0 ND 0.500 0.115 0 ND 1.00 0.200 0 ND 0 ND 1.00 0.450 0 ND 1.00 0.150 0 ND 0.500 0.0650 0 ND 1.00 0.150 0 ND 0 ND 1.00 0.110 0 *- 1.00 0.200 0 ND 0.500 0.0825 0 *- 1.00 0.200 0 *- 0 ND 1.00 0.120 0 ND 1.00 0.230 0 ND 0.500 0.200 0 ND 1.00 0.230 0 ND 0 ND 1.00 0.120 0 ND 1.00 0.210 0 ND 0.500 0.0600 0 ND 1.00 0.210 0 ND 0 ND 1.00 0.120 0 *- 1.00 0.160 0 ND 0.500 0.0375 0 *- 1.00 0.160 0 *- 0 ND 1.00 0.120 0 ND, R 1.00 0.120 0 ND 0.500 0.103 0 ND 1.00 0.120 0 ND, R 0 ND 1.00 0.140 0 ND, R 1.00 0.190 0 ND 0.500 0.0750 0 ND 1.00 0.190 0 ND, R 0 ND 1.00 0.0910 0 ND 1.00 0.0640 0 ND 0.500 0.0575 0 ND 1.00 0.0640 0 ND 0 ND 5.00 4.00 0 ND 10.0 8.70 0 ND 0.500 0.138 0 ND 10.0 8.70 0 ND 0 ND 1.00 0.140 0 ND 1.00 0.160 0 ND 0.500 0.130 0 ND 1.00 0.160 0 ND 0 ND 5.00 4.70 0 ND 20.0 11.0 0 ND 0.500 0.235 0 ND 20.0 11.0 0 ND 0 ND 1.00 0.0980 0 *- 1.00 0.180 0 ND 0.500 0.0650 0 *- 1.00 0.180 0 *- 0 ND 1.00 0.200 0 *- 1.00 0.180 0 ND 0.500 0.0700 0 *- 1.00 0.180 0 *- 0 ND 1.00 0.140 0 *+ 2.00 1.10 0 ND 0.500 0.140 0 *+ 2.00 1.10 0 *+ 0 ND 1.00 0.32 0 ND 1.00 0.170 0 ND 0.500 0.108 0 ND 1.00 0.170 0 ND 0 ND 1.00 0.120 0 ND, R 1.00 0.370 0 ND 0.500 0.185 0 ND 1.00 0.370 0 ND, R 0 ND 1.00 0.220 0 *-, *1 1.00 0.640 0 ND 0.500 0.128 0 *-, *1 1.00 0.640 0 *-, *1 0 ND 5.000 4.90 0 ND 20.0 19.8 0 ND 0.500 0.103 0 ND 20.0 19.8 0 ND 0 ND 1.00 0.150 0 ND, R 1.00 0.770 0 ND 0.500 0.0850 0 ND 1.00 0.770 0 ND, R 0 ND 1.00 0.160 0 ND, R 1.00 0.660 0 ND 0.500 0.135 0 ND 1.00 0.660 0 ND, R 0 ND 1.00 0.2900 0 ND, R 1.00 0.290 0 ND 0.500 0.143 0 ND 1.00 0.290 0 ND, R 0 ND 1.00 0.0950 0 *-, *1 1.00 0.180 0 ND 0.500 0.0800 0 *-, *1 1.00 0.180 0 *-, *1 0 ND 1.00 0.150 0 ND 1.00 0.160 0 ND 0.500 0.145 0 ND 1.00 0.160 0 ND 0 ND 1.00 0.420 1.29 I, R 1.00 0.520 0 ND 0.500 0.300 0 ND 1.00 0.520 1.29 I, R 0 ND 1.00 0.430 0 ND 1.00 1.00 0 ND 0.500 0.300 0 ND 1.00 1.00 0 ND 0 ND 1.00 0.350 0 ND 1.00 0.560 0 ND 0.500 0.375 0 ND 1.00 0.560 0 ND 0 ND 1.00 0.140 0 ND 1.00 0.200 0 ND 0.500 0.0900 0 ND 1.00 0.200 0 ND 0 ND 1.00 0.350 0 *1 1.00 0.380 0 ND 0.500 0.325 0 *1 1.00 0.380 0 *1 0 ND 1.00 0.220 0 ND 1.00 0.200 0 ND 0.500 0.200 0 ND 1.00 0.200 0 ND 0 ND 1.00 0.480 0 ND 1.00 0.700 0 ND 0.500 0.300 0 ND 1.00 0.700 0 ND 0 ND 1.00 0.290 0 ND 1.00 0.310 0 ND 0.500 0.220 0 ND 1.00 0.310 0 ND 0 ND 1.00 0.150 0 ND 1.00 0.120 0 ND 0.500 0.145 0 ND 1.00 0.120 0 ND 0 ND 1.00 0.200 0 ND 1.00 0.130 0 ND 0.500 0.198 0 ND 1.00 0.130 0 ND 0 ND 1.00 0.220 0 *- 1.00 0.140 0 ND 0.500 0.160 0 *- 1.00 0.140 0 *- 0 ND 1.00 0.140 0 ND 1.00 0.100 0 ND 0.500 0.128 0 ND 1.00 0.100 0 ND Zues Company,Inc Orangeburg,SC Laboratory Sample ID Compound Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Fraction 1 , ng Filter and FH Rinse 140-31434-13 OTM-45 Laboratory Results Summary Sample Train Field Blank (STFB) Extruder Exhaust Fraction 2, ng BH Rinse and Primary XAD 140-31434-14 Fraction 3, ng Cond/Imp water & Rinse 140-31434-15 Barr Engineering Co. July 14, 2023 Fraction 4, ng Back up XAD trap 140-31434-16 STFB Total Mass Fractions 1-3, ng Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag Reporting Limit MDL Result, ng Flag 0 ND 2.00 1.30 0 ND 10.0 9.40 0 0 ND 1.00 0.180 0.724 J 1.00 0.450 0 0 ND 1.00 0.210 0 ND 1.00 0.520 0 0 ND 1.00 0.620 0 ND 3.00 2.60 0 0 ND 1.00 0.650 1.58 1.00 0.660 0 0 ND 1.00 0.0850 0 ND 1.00 0.890 0 0 ND 1.00 0.250 0 ND 1.00 0.210 0 0 ND 1.00 0.170 0 ND, R 1.00 0.270 0 0 ND 1.00 0.100 0 ND, R 1.00 0.120 0 0 ND 1.00 0.140 0 *-, R 1.00 0.170 0 0 ND 1.00 0.170 0 ND, R 1.00 0.230 0 0 ND 1.00 0.890 0 ND 1.00 0.520 0 0 ND 1.00 0.110 0 ND 1.00 0.260 0 0 ND 1.00 0.110 0 ND 1.00 0.200 0 0 ND 1.00 0.450 0.263 J 1.00 0.150 0 0 ND 1.00 0.110 0 *- 1.00 0.200 0 0 ND 1.00 0.0880 0 ND 1.00 0.230 0 0 ND 1.00 0.120 0 ND 1.00 0.210 0 0 ND 1.00 0.120 0 *- 1.00 0.160 0 0 ND 1.00 0.120 0 ND 1.00 0.120 0 0 ND 1.00 0.140 0 ND, R 1.00 0.190 0 0 ND 1.00 0.0910 0 ND 1.00 0.0640 0 0 ND 5.00 4.00 0 ND 10.0 8.70 0 0 ND 1.00 0.140 0 ND 1.00 0.160 0 0 ND 5.00 4.70 0 ND 20.0 11.0 0 0 ND 1.00 0.0980 0 *- 1.00 0.180 0 0 ND 1.00 0.200 0 *- 1.00 0.180 0 3.39 1.00 0.1400 170 *+ 2.00 1.10 0 0 ND 1.00 0.320 0 ND, R 1.00 0.170 0 0 ND 1.00 0.120 0 ND, R 1.00 0.370 0 0 ND 1.00 0.220 0 *-, *1, R 1.00 0.640 0 0 ND 5.00 4.90 0 ND, R 20.0 19.8 0 0 ND 1.00 0.150 0 ND, R 1.00 0.770 0 0 ND 1.00 0.160 0 ND, R 1.00 0.660 0 0 ND 1.00 0.2900 0 ND, R 1.00 0.290 0 0 ND 1.00 0.0950 0 *-, *1 1.00 0.180 0 0 ND 1.00 0.150 0 ND 1.00 0.160 0 0 ND 1.00 0.420 0 ND, R 1.00 0.520 0 0 ND 1.00 0.430 0 ND 1.00 1.00 0 0 ND 1.00 0.350 0 ND 1.00 0.560 0 0 ND 1.00 0.140 0 ND 1.00 0.200 0 0 ND 1.00 0.350 0 *1 1.00 0.380 0 0 ND 1.00 0.220 0 ND 1.00 0.200 0 0 ND 1.00 0.480 0 ND 1.00 0.700 0 0 ND 1.00 0.290 0 ND 1.00 0.310 0 0.152 J 1.00 0.150 1.91 1.00 0.120 0 0 ND 1.00 0.200 0 ND 1.00 0.130 0 0 ND 1.00 0.220 0 *- 1.00 0.140 0 0 ND 1.00 0.140 0 ND 1.00 0.100 0 ND 0.500 0.200 0 ND 0.500 0.0650 0 ND 0.500 0.190 0 ND 0.500 0.153 0 ND 0.500 0.0950 0 ND 0.500 0.0525 0 ND 0.500 0.0650 0 ND 0.500 0.0750 0 ND 0.500 0.0525 0 ND 0.500 0.0800 0 ND 0.500 0.113 0 ND 0.500 0.0450 0 ND 0.500 0.0575 0 ND 0.500 0.115 0 ND 0.500 0.0650 0 ND 0.500 0.0825 0 ND 0.500 0.200 0 ND 0.500 0.0600 0 ND 0.500 0.0375 0 ND 0.500 0.103 0 ND 0.500 0.0750 0 ND 0.500 0.0575 0 ND 0.500 0.138 0 ND 0.500 0.130 0 ND 0.500 0.235 0 ND 0.500 0.0650 0 ND 0.500 0.0700 0 ND 0.500 0.140 0 ND 0.500 0.108 0 ND 0.500 0.185 0 ND 0.500 0.128 0 ND 0.500 0.103 0 ND 0.500 0.0850 0 ND 0.500 0.135 0 ND 0.500 0.143 0 ND 0.500 0.0800 0 ND 0.500 0.145 0 ND 0.500 0.300 0 ND 0.500 0.300 0 ND 0.500 0.375 0 ND 0.500 0.0900 0 ND 0.500 0.325 0 ND 0.500 0.200 0 ND 0.500 0.300 0 ND 0.500 0.220 0 ND 0.500 0.145 0 ND 0.500 0.198 0 ND 0.500 0.160 0 ND 0.500 0.128 0 CI ND ND ND ND ND ND ND ND *ND ND ND ND ND *ND ND *ND ND ND ND ND ND ***+ ND ND *-, *1 ND ND ND ND *-, *1 ND ND ND ND ND *1 ND ND ND ND ND *ND 10.0 9.40 0 1.00 0.450 0.72 1.00 0.520 0.000 3.00 2.60 0 1.00 0.660 2 1.00 0.890 0 1.00 0.210 0 1.00 0.270 0 1.00 0.120 0.0 1.00 0.170 0 1.00 0.230 0 1.00 0.520 0 1.00 0.260 0.0 1.00 0.200 0 1.00 0.150 0 1.00 0.200 0 1.00 0.230 0 1.00 0.210 0 1.00 0.160 0 1.00 0.120 0 1.00 0.190 0.0 1.00 0.0640 0 10.0 8.70 0 1.00 0.160 0 20.0 11.0 0.0 1.00 0.180 0 1.00 0.180 0 2.00 1.10 173 1.00 0.170 0 1.00 0.370 0 1.00 0.640 0 20.0 19.8 0 1.00 0.770 0.00 1.00 0.660 0 1.00 0.290 0 1.00 0.180 0 1.00 0.160 0.00 1.00 0.520 0.00 1.00 1.00 0.00 1.00 0.560 0.00 1.00 0.200 0.00 1.00 0.380 0.00 1.00 0.200 0.00 1.00 0.700 0.00 1.00 0.310 0.00 1.00 0.120 2.06 1.00 0.130 0.00 1.00 0.140 0.00 1.00 0.100 0.00 ND J ND ND ND ND ND, R ND, R *-, R ND, R ND ND ND J *ND ND *ND ND, R ND ND ND ND ***+ ND, R ND, R *-, *1, R ND, R ND, R ND, R ND, R *- ,*1 ND ND, R ND ND ND *1 ND ND ND J ND *ND Zues Company,Inc Orangeburg,SC Laboratory Sample ID Compound Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Fraction 1 , ng Filter and FH Rinse 140-31434-1 OTM-45 Laboratory Results Summary Test Run 1 Extruder Exhaust Fraction 2, ng BH Rinse and Primary XAD 140-31434-2 Fraction 3, ng Cond/Imp water & Rinse 140-31434-3 Barr Engineering Co. July 17, 2023 Fraction 4, ng Breakthrough XAD 140-31434-4 Total Train Mass, ng Frac 4 Breakthrough Flag "A" if over 30% Break Through Total Mass, ng (Add Frac 4 if Applicable) Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Total Mass, ng Qualifier 0 0 0 0 0 4.76 0 6.80 0 9.79 3.93 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1070 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13.2 0 0 0 % ND 39.5 25.7 0 ND 1000 940 0 ND 0.600 0.240 11.9 10.0 9.40 0 ND 19.8 3.56 104 100 45.0 0 ND 0.600 0.0780 3.65 1.00 0.450 104 3.5 ND 19.8 4.15 0 ND 100 52.0 0 ND 0.600 0.228 0 ND 1.00 0.520 0 ND 19.8 12.2 0 ND 300 260 0 ND 0.600 0.183 0 ND 3.00 2.60 0 ND 19.8 12.8 0 ND 100 66.0 0 ND 0.600 0.114 1.63 1.00 0.660 0 J 19.8 1.68 0 ND 100 89.0 0 ND 0.600 0.0630 0 ND 1.00 0.890 4.76 0.0 ND 19.8 4.94 0 ND 100 21.0 0 ND 0.600 0.0780 0 ND 1.00 0.210 0 J 19.8 3.36 0 ND 100 27.0 0 ND 0.600 0.0900 0 ND 1.00 0.270 6.8 0.0 ND 19.8 1.98 0 ND 100 12.0 0 ND 0.600 0.0630 0 ND 1.00 0.120 0 J 19.8 2.77 0 *- 100 17.0 0 ND 0.600 0.0960 0 *- 1.00 0.170 9.79 0.0 J 19.8 3.36 0 ND 100 23.0 0 ND 0.600 0.135 0 ND 1.00 0.230 3.93 0.0 ND 19.8 17.6 0 ND 100 52.0 0 ND 0.600 0.0540 0 ND 1.00 0.520 0 ND 19.8 2.17 0 ND 100 26.0 0 ND 0.600 0.0690 0 ND 1.00 0.260 0 ND 19.8 2.17 0 ND 100 20.0 0 ND 0.600 0.138 0 ND 1.00 0.200 0 ND 19.8 8.89 0 ND 100 15.0 0.715 I, CI 0.600 0.0780 0 ND 1.00 0.150 0.715 0.0 ND 19.8 2.17 0 *- 100 20.0 0 ND 0.600 0.0990 0 *- 1.00 0.200 0 ND 19.8 1.74 0 ND 100 23.0 0 ND 0.600 0.240 0 ND 1.00 0.230 0 ND 19.8 2.37 0 ND 100 21.0 0 ND 0.600 0.0720 0 ND 1.00 0.210 0 ND 19.8 2.37 0 *- 100 16.0 0 ND 0.600 0.0450 0 *- 1.00 0.160 0 ND 19.8 2.37 0 ND 100 12.0 0 ND 0.600 0.123 0 ND 1.00 0.120 0 ND 19.8 2.77 0 ND 100 19.0 0 ND 0.600 0.0900 0 ND 1.00 0.190 0 ND 19.8 1.80 0 ND 100 6.40 0 ND 0.600 0.0690 0 ND 1.00 0.0640 0 ND 98.8 79.0 0 ND 1000 870 0 ND 0.600 0.165 0 ND 10.0 8.70 0 ND 19.8 2.77 0 ND 100 16.0 0 ND 0.600 0.156 0 ND 1.00 0.160 0 ND 98.8 92.8 0 ND 2000 1100 0 ND 0.600 0.282 0 ND 20.0 11.0 0 ND 19.8 1.94 0 *- 100 18.0 0 ND 0.600 0.0780 0 *- 1.00 0.180 0 ND 19.8 3.95 0 *- 100 18.0 0 ND 0.600 0.0840 0 *- 1.00 0.180 0 19.8 2.77 1950 *+ 200 110 0 ND 0.600 0.168 0 *+ 2.00 1.10 3020 0.0 ND 19.8 6.32 0 ND 100 17.0 0 ND 0.600 0.129 0 ND 1.00 0.170 0 ND 19.8 2.37 0 ND 100 37.0 0 ND 0.600 0.222 0 ND 1.00 0.370 0 ND 19.8 4.35 0 *-, *1 100 64.0 0 ND 0.600 0.153 0 *-, *1 1.00 0.640 0 ND 98.8 96.8 0 ND 2000 1980 0 ND 0.600 0.123 0 ND 20.0 19.8 0 ND 19.8 2.96 0 ND 100 77.0 0 ND 0.600 0.102 0 ND 1.00 0.770 0 ND 19.8 3.16 0 ND 100 66.0 0 ND 0.600 0.162 0 ND 1.00 0.660 0 ND 19.8 5.73 0 ND 100 29.0 0 ND 0.600 0.171 0 ND 1.00 0.290 0 ND 19.8 1.88 0 *-, *1 100 18.0 0 ND 0.600 0.0960 0 *-, *1 1.00 0.180 0 ND 19.8 2.96 0 ND 100 16.0 0 ND 0.600 0.174 0 ND 1.00 0.160 0 ND 19.8 8.30 0 ND 100 52.0 0 ND 0.600 0.360 0 ND 1.00 0.520 0 ND 19.8 8.49 0 ND 100 100 0 ND 0.600 0.360 0 ND 1.00 1.00 0 ND 19.8 6.91 0 ND 100 56.0 0 ND 0.600 0.450 0 ND 1.00 0.560 0 ND 19.8 2.77 0 ND 100 20.0 0 ND 0.600 0.108 0 ND 1.00 0.200 0 ND 19.8 6.91 0 *1 100 38.0 0 ND 0.600 0.390 0 *1 1.00 0.380 0 ND 19.8 4.35 0 ND 100 20.0 0 ND 0.600 0.240 0 ND 1.00 0.200 0 ND 19.8 9.48 0 ND 100 70.0 0 ND 0.600 0.360 0 ND 1.00 0.700 0 ND 19.8 5.73 0 ND 100 31.0 0 ND 0.600 0.264 0 ND 1.00 0.310 0 J 19.8 2.96 2800 100 12.0 0 ND 0.600 0.174 3.67 1.00 0.120 2813.2 0.1 ND 19.8 3.95 0 ND 100 13.0 0 ND 0.600 0.237 0 ND 1.00 0.130 0 ND 19.8 4.35 0 *- 100 14.0 0 ND 0.600 0.192 0 *- 1.00 0.140 0 ND 19.8 2.77 0 ND 100 10.0 0 ND 0.600 0.153 0 ND 1.00 0.100 0 0 104 0 0 0 4.76 0 6.8 0 9.79 3.93 0 0 0 0.715 0 0 0 0 0 0 0 0 0 0 0 0 3020 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2813.2 0 0 0 ND ND ND ND, x, y J ND J ND *J ND ND ND I, CI ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND Zues Company,Inc Orangeburg,SC Laboratory Sample ID Compound Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Fraction 1 , ng Filter and FH Rinse 140-31434-5 OTM-45 Laboratory Results Summary Test Run 2 Extruder Exhaust Fraction 2, ng BH Rinse and Primary XAD 140-31434-6 Fraction 3, ng Cond/Imp water & Rinse 140-31434-7 Barr Engineering Co. July, 17, 2023 Fraction 4, ng Breakthrough XAD 140-31434-8 Total Train Mass, ng Frac 4 Breakthrough Flag "A" if over 30% Break Through Total Mass, ng (Add Frac 4 if Applicable) Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Total Mass, ng Qualifier 0 ND 19.7 12.8 0 ND 1000 940 0 0 ND 9.85 1.77 0 ND 100 45.0 0 0 ND 9.85 2.07 0 ND 100 52.0 0 0 ND 9.85 6.11 0 ND 300 260 0 0 ND 9.85 6.40 0 ND 100 66.0 0 0 ND 9.85 0.837 0 ND 100 89.0 0 0 ND 9.85 2.46 0 ND 100 21.0 0 0 ND 9.85 1.67 0 ND 100 27.0 0 1.21 J 9.85 0.985 0 ND 100 12.0 0 3.48 J 9.85 1.38 0 *- 100 17.0 0 2.60 J 9.85 1.67 0 ND 100 23.0 0 0 ND 9.85 8.77 0 ND 100 52.0 0 0 ND 9.85 1.08 0 ND 100 26.0 0 0 ND 9.85 1.08 0 ND 100 20.0 0 0 ND 9.85 4.43 0 ND 100 15.0 0 0 ND 9.85 1.08 0 *- 100 20.0 0 0 ND 9.85 0.867 0 ND 100 23.0 0 0 ND 9.85 1.18 0 ND 100 21.0 0 0 ND 9.85 1.18 0 *- 100 16.0 0 0 ND 9.85 1.18 0 ND 100 12.0 0 0 ND 9.85 1.38 0 ND 100 19.0 0 0 ND 9.85 0.896 0 ND 100 6.40 0 0 ND 9.85 39.4 0 ND 1000 870 0 0 ND 9.85 1.38 0 ND 100 16.0 0 0 ND 9.85 46.3 0 ND 2000 1100 0 0 ND 49.2 0.965 0 *- 100 18.0 0 0 ND 9.85 1.97 0 *- 100 18.0 0 693 9.85 1.38 8280 *+ 200 110 0 0 ND 9.85 3.15 0 ND 100 17.0 0 0 ND 9.85 1.38 0 ND 100 37.0 0 0 ND 49.2 2.17 0 *-, *1 100 64.0 0 0 ND 9.85 1.18 0 ND 2000 1980 0 0 ND 9.85 1.48 0 ND 100 77.0 0 0 ND 9.85 1.58 0 ND 100 66.0 0 0 ND 9.85 2.86 0 ND 100 29.0 0 0 ND 9.85 0.936 0 *-, *1 100 18.0 0 0 ND 9.85 1.48 0 ND 100 16.0 0 0 ND 9.85 4.14 0 ND 100 52.0 0 0 ND 9.85 4.23 0 ND 100 100 0 0 ND 9.85 3.45 0 ND 100 56.0 0 0 ND 9.85 1.38 0 ND 100 20.0 0 0 ND 9.85 3.45 0 *1 100 38.0 0 0 ND 49.2 2.17 0 ND 100 20.0 0 0 ND 9.85 4.73 0 ND 100 70.0 0 0 ND 9.85 2.86 0 ND 100 31.0 0 10.0 9.85 1.48 3280 100 12.0 0 0 ND 9.85 1.97 0 ND 100 13.0 0 0 ND 9.85 2.17 0 *- 100 14.0 0 0 ND 9.85 1.38 0 ND 100 10.0 0 % ND 0.620 0.248 0 ND 10.0 9.40 0 ND 0.620 0.0806 2.85 1.00 0.450 0 ND 0.620 0.236 0.615 J 1.00 0.520 0 ND 0.620 0.189 0 ND 3.00 2.60 0 ND 0.620 0.118 1.21 1.00 0.660 0 ND 0.620 0.0651 0 ND 1.00 0.890 0 ND 0.620 0.0806 0 ND 1.00 0.210 0 ND 0.620 0.0930 0 ND 1.00 0.270 0 ND 0.620 0.0651 0 ND 1.00 0.120 1.21 0.0 ND 0.620 0.0992 0 *- 1.00 0.170 3.48 0.0 ND 0.620 0.140 0 ND 1.00 0.230 2.6 0.0 ND 0.620 0.0558 0 ND 1.00 0.520 0 ND 0.620 0.0713 0 ND 1.00 0.260 0 ND 0.620 0.143 0 ND 1.00 0.200 0 ND 0.620 0.0806 0 ND 1.00 0.150 0 ND 0.620 0.102 0 *- 1.00 0.200 0 ND 0.620 0.248 0 ND 1.00 0.230 0 ND 0.620 0.0744 0 ND 1.00 0.210 0 ND 0.620 0.0465 0 *- 1.00 0.160 0 ND 0.620 0.127 0 ND 1.00 0.120 0 ND 0.620 0.0930 0 ND 1.00 0.190 0 ND 0.620 0.0713 0 ND 1.00 0.0640 0 ND 0.620 0.171 0 ND 10.0 8.70 0 ND 0.620 0.161 0 ND 1.00 0.160 0 ND 0.620 0.291 0 ND 20.0 11.0 0 ND 0.620 0.0806 0 *- 1.00 0.180 0 ND 0.620 0.0868 0 *- 1.00 0.180 0 ND 0.620 0.174 1.17 J, *+ 2.00 1.10 8973 0.0 ND 0.620 0.133 0 ND 1.00 0.170 0 ND 0.620 0.229 0 ND R 1.00 0.370 0 ND 0.620 0.158 0 *-, *1, R 1.00 0.640 0 ND 0.620 0.127 0 ND 20.0 19.8 0 ND 0.620 0.105 0 ND 1.00 0.770 0 ND 0.620 0.167 0 ND 1.00 0.660 0 ND 0.620 0.177 0 ND R 1.00 0.290 0 ND 0.620 0.0992 0 *-, *1 1.00 0.180 0 ND 0.620 0.180 0 ND 1.00 0.160 0 ND 0.620 0.372 0 ND 1.00 0.520 0 ND 0.620 0.372 0 ND 1.00 1.00 0 ND 0.620 0.465 0 ND 1.00 0.560 0 ND 0.620 0.112 0 ND 1.00 0.200 0 ND 0.620 0.403 0 *1 1.00 0.380 0 ND 0.620 0.248 0 ND 1.00 0.200 0 ND 0.620 0.372 0 ND 1.00 0.700 0 ND 0.620 0.273 0 ND 1.00 0.310 0 ND 0.620 0.180 4.20 1.00 0.120 3290 0.1 ND 0.620 0.245 0 ND 1.00 0.130 0 ND 0.620 0.198 0 *- 1.00 0.140 0 ND 0.620 0.158 0 ND 1.00 0.100 0 0 0 0 0 0 0 0 0 1.21 3.48 2.6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8973 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3290 0 0 0 ND ND ND ND ND, x, y ND ND ND J J, *J ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, *J, *+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND ND ND ND ND, *1 ND ND ND ND ND, *- ND Zues Company,Inc Orangeburg,SC Laboratory Sample ID Compound Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2-(N-methylperfluoro-1-octanesulfonamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Fraction 1 , ng Filter and FH Rinse 140-31434-9 OTM-45 Laboratory Results Summary Test Run 3 Extruder Exhaust Fraction 2, ng BH Rinse and Primary XAD 140-31434-10 Fraction 3, ng Cond/Imp water & Rinse 140-31434-11 Barr Engineering Co. July, 17, 2023 Fraction 4, ng Breakthrough XAD 140-31434-12 Fraction 1- Frac 4 3 Train BreakMass, ng through Flag "A" if over 30% Break Through Total Mass, ng (Add Frac 4 if Applicable) Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Reporting Limit MDL Result, ng Qualifier Total Mass, ng Qualifier 0 ND 20.0 13.0 0 ND 602 566 0 6.78 J 10.0 1.80 32.5 J 60.2 27.1 0 0 ND 10.0 2.10 0 ND 60.2 31.3 0 0 ND 10.0 6.20 0 ND 181 157 0 0 ND 10.0 6.50 0 ND 60.2 39.8 0 1.46 J 10.0 0.850 0 ND 60.2 53.6 0 0 ND 10.0 2.50 0 ND 60.2 12.7 0 0 ND 10.0 1.70 0 ND 60.2 16.3 0 0 ND 10.0 1.00 0 ND 60.2 7.23 0 2.52 J 10.0 1.40 0 *- 60.2 10.2 0 0 ND 10.0 1.70 0 ND 60.2 13.9 0 0 ND 10.0 8.90 0 ND 60.2 31.3 0 0 ND 10.0 1.10 0 ND 60.2 15.7 0 0 ND 10.0 1.10 0 ND 60.2 12.0 0 0 ND 10.0 4.50 0 ND 60.2 9.04 0 0 ND 10.0 1.10 0 *- 60.2 12.0 0 0 ND 10.0 0.880 0 ND 60.2 13.9 0 0 ND 10.0 1.20 0 ND 60.2 12.7 0 0 ND 10.0 1.20 0 *- 60.2 9.64 0 0 ND 10.0 1.20 0 ND 60.2 7.23 0 0 ND 10.0 1.40 0 ND 60.2 11.4 0 0 ND 10.0 0.910 0 ND 60.2 3.86 0 0 ND 50.0 40.0 0 ND 602 524 0 0 ND 10.0 1.40 0 ND 60.2 9.64 0 0 ND 50.0 47.0 0 ND 1200 663 0 0 ND 10.0 0.980 0 *- 60.2 10.8 0 0 ND 10.0 2.00 0 *- 60.2 10.8 0 559 10.0 1.40 3790 *+ 120 66.3 0 0 ND 10.0 3.20 0 ND 60.2 10.2 0 0 ND 10.0 1.20 0 ND 60.2 22.3 0 0 ND 10.0 2.20 0 *-, *1 60.2 38.6 0 0 ND 50.0 49.0 0 ND 1200 1190 0 0 ND 10.0 1.50 0 ND 60.2 46.4 0 0 ND 10.0 1.60 0 ND 60.2 39.8 0 0 ND 10.0 2.90 0 ND 60.2 17.5 0 0 ND 10.0 0.950 0 *-, *1 60.2 10.8 0 0 ND 10.0 1.50 0 ND 60.2 9.64 0 0 ND 10.0 4.20 0 ND 60.2 31.3 0 0 ND 10.0 4.30 0 ND 60.2 60.2 0 0 ND 10.0 3.50 0 ND 60.2 33.7 0 0 ND 10.0 1.40 0 ND 60.2 12.0 0 0 ND 10.0 3.50 0 *1 60.2 22.9 0 0 ND 10.0 2.20 0 ND 60.2 12.0 0 0 ND 10.0 4.80 0 ND 60.2 42.2 0 0 ND 10.0 2.90 0 ND 60.2 18.7 0 7.19 J 10.0 1.50 3100 60.2 7.23 0 0 ND 10.0 2.00 0 ND 60.2 7.83 0 0 ND 10.0 2.20 0 *- 60.2 8.43 0 0 ND 10.0 1.40 0 ND 60.2 6.02 0 % ND 0.610 0.244 0 CI 10.0 9.40 0 ND 0.610 0.0793 1.38 1.00 0.450 39.28 3.5 ND 0.610 0.232 0 ND 1.00 0.520 0 ND 0.610 0.186 0 ND 3.00 2.60 0 ND 0.610 0.116 0 ND 1.00 0.660 0 ND 0.610 0.0641 0 ND 1.00 0.890 1.46 0.0 ND 0.610 0.0793 0 ND 1.00 0.210 0 ND 0.610 0.0915 0 ND 1.00 0.270 0 ND 0.610 0.0641 0 ND 1.00 0.120 0 ND 0.610 0.0976 0 *- 1.00 0.170 2.52 0.0 ND 0.610 0.137 0 ND 1.00 0.230 0 ND 0.610 0.0549 0 ND 1.00 0.520 0 ND 0.610 0.0702 0 ND 1.00 0.260 0 ND 0.610 0.140 0 ND 1.00 0.200 0 ND 0.610 0.0793 0 ND 1.00 0.150 0 ND 0.610 0.101 0 *- 1.00 0.200 0 ND 0.610 0.244 0 ND 1.00 0.230 0 ND 0.610 0.0732 0 ND 1.00 0.210 0 ND 0.610 0.0458 0 *- 1.00 0.160 0 ND 0.610 0.125 0 ND 1.00 0.120 0 ND 0.610 0.0915 0 ND 1.00 0.190 0 ND 0.610 0.0702 0 ND 1.00 0.0640 0 ND 0.610 0.168 0 ND 10.0 8.70 0 ND 0.610 0.159 0 ND 1.00 0.160 0 ND 0.610 0.287 0 ND 20.0 11.0 0 ND 0.610 0.0793 0 *- 1.00 0.180 0 ND 0.610 0.0854 0 *- 1.00 0.180 0 ND 0.610 0.171 0 *+ 2.00 1.10 4349 0.0 ND 0.610 0.131 0 ND 1.00 0.170 0 ND 0.610 0.226 0 ND 1.00 0.370 0 ND 0.610 0.156 0 *-, *1 R 1.00 0.640 0 ND 0.610 0.125 0 ND 20.0 19.8 0 ND 0.610 0.104 0 ND 1.00 0.770 0 ND 0.610 0.165 0 ND 1.00 0.660 0 ND 0.610 0.174 0 ND R 1.00 0.290 0 ND 0.610 0.0976 0 *-, *1 1.00 0.180 0 ND 0.610 0.177 0 ND 1.00 0.160 0 ND 0.610 0.366 0 ND 1.00 0.520 0 ND 0.610 0.366 0 ND 1.00 1.00 0 ND 0.610 0.458 0 ND 1.00 0.560 0 ND 0.610 0.110 0 ND 1.00 0.200 0 ND 0.610 0.397 0 *1 1.00 0.380 0 ND 0.610 0.244 0 ND 1.00 0.200 0 ND 0.610 0.366 0 ND 1.00 0.700 0 ND 0.610 0.268 0 ND 1.00 0.310 0 ND 0.610 0.177 2.72 1.00 0.120 3107.19 0.1 ND 0.610 0.241 0 ND 1.00 0.130 0 ND 0.610 0.195 0 *- 1.00 0.140 0 ND 0.610 0.156 0 ND 1.00 0.100 0 0 39.28 0 0 0 1.46 0 0 0 2.52 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4349 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3107.19 0 0 0 ND J ND ND ND, x J ND ND ND J, *ND ND ND ND ND ND, *ND ND ND, *ND ND ND ND ND ND ND, *ND, **+ ND ND ND, *-, *1 ND ND ND ND ND, *-, *1 ND ND, ND ND ND ND, *1 ND ND ND J ND ND, *ND 1 2 3 4 5 ANALYTICAL REPORT 6 7 8 9 PREPARED FOR 10 11 Attn: Chris Given Zeus Industrial Products Inc 12 3737 Indusrial Blvd 13 Orangeburg, South Carolina 29118 14 Generated 7/11/2023 4:07:31 PM Revision 1 15 JOB DESCRIPTION Zeus Industrial Products - OTM-45 JOB NUMBER 140-31434-1 Eurofins Knoxville 5815 Middlebrook Pike Knoxville TN 37921 See page two for job notes and contact information. Page 1 of 125 Eurofins Knoxville Job Notes This report may not be reproduced except in full, and with written approval from the laboratory. The results relate only to the samples tested. For questions please contact the Project Manager at the e-mail address or telephone number listed on this page. The test results in this report relate only to the samples as received by the laboratory and will meet all requirements of the methodology, with any exceptions noted. This report shall not be reproduced except in full, without the express written approval of the laboratory. All questions should be directed to the Eurofins TestAmerica Project Manager. Authorization Authorized for release by Courtne Adkins, Project Manager II et.eurofinsus.com Generated 7/11/2023 4:07:31 PM Revision 1 Eurofins Knoxville is a laboratory within TestAmerica Laboratories, Inc., a company within Eurofins Environment Testing Group of Companies Page 2 of 125 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Laboratory Job ID: 140-31434-1 1 Table of Contents 2 Project/Site: Zeus Industrial Products - OTM-45 Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4 Definitions/Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Default Detection Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 7 SIsuortroopgeatDeilSutuiomnmSaurmy .m.a.r.y...................................................................... 7712 8 QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 9 QC Association Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 10 Lab Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 11 Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 12 Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 13 Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 14 15 Page 3 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Definitions/Glossary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Qualifiers LCMS Qualifier **+ *1 *5*5+ CI I J R S1- Qualifier Description LCS and/or LCSD is outside acceptance limits, low biased. LCS and/or LCSD is outside acceptance limits, high biased. LCS/LCSD RPD exceeds control limits. Isotope dilution analyte is outside acceptance limits, low biased. Isotope dilution analyte is outside acceptance limits, high biased. The peak identified by the data system exhibited chromatographic interference that could not be resolved. There is reason to suspect there may be a high bias. Value is EMPC (estimated maximum possible concentration). Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. Result Unusable Surrogate recovery exceeds control limits, low biased. Glossary Abbreviation %R CFL CFU CNF DER Dil Fac DL DL, RA, RE, IN DLC EDL LOD LOQ MCL MDA MDC MDL ML MPN MQL NC ND NEG POS PQL PRES QC RER RL RPD TEF TEQ TNTC These commonly used abbreviations may or may not be present in this report. Listed under the "D" column to designate that the result is reported on a dry weight basis Percent Recovery Contains Free Liquid Colony Forming Unit Contains No Free Liquid Duplicate Error Ratio (normalized absolute difference) Dilution Factor Detection Limit (DoD/DOE) Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample Decision Level Concentration (Radiochemistry) Estimated Detection Limit (Dioxin) Limit of Detection (DoD/DOE) Limit of Quantitation (DoD/DOE) EPA recommended "Maximum Contaminant Level" Minimum Detectable Activity (Radiochemistry) Minimum Detectable Concentration (Radiochemistry) Method Detection Limit Minimum Level (Dioxin) Most Probable Number Method Quantitation Limit Not Calculated Not Detected at the reporting limit (or MDL or EDL if shown) Negative / Absent Positive / Present Practical Quantitation Limit Presumptive Quality Control Relative Error Ratio (Radiochemistry) Reporting Limit or Requested Limit (Radiochemistry) Relative Percent Difference, a measure of the relative difference between two points Toxicity Equivalent Factor (Dioxin) Toxicity Equivalent Quotient (Dioxin) Too Numerous To Count 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 4 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Case Narrative 1 Job ID: 140-31434-1 2 Job ID: 140-31434-1 3 Laboratory: Eurofins Knoxville 4 Narrative Job Narrative 5 140-31434-1 6 Revision Notes 7 This report was revised to update the flagging suite for targets with failing IDA recoveries. 8 Receipt 9 10 The samples were received on 4/19/2023 5:45 PM. Unless otherwise noted below, the samples arrived in good condition, and where required, properly preserved and on ice. The temperatures of the 2 coolers at receipt time were 0.5 C and 0.8 C. LCMS 11 Field Surrogate Notes: 12 Field surrogate recoveries are reported in all condensate fractions to monitor for breakthrough. 13 14 Several samples were diluted over the standard 50x rate resulting in field surrogates being diluted out. The field surrogates are not re-fortified. The following samples are impacted: 140-31434-2, 140-31434-6, and 140-31434-10. Several samples are reagent blanks and were not pre-spiked with field surrogate. 15 Method 537 (Modified) The compound PFBA has a significant interference that is within the retention time window and therefore prevents the ability to determine an unbiased concentration in the sample. When the presence of the interference is observed, the integration for PFBA is estimated to begin and end at approximately the same integration window as 13C4-PFBA; this will yield an estimated maximum concentration for PFBA in the extract. The PFBA result will also contain a qualifier "CI" indicating the presence of an interference. The following samples are impacted: W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE PBT (140-31434-19), W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-12), W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT (140-31434-16), W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT (140-31434-20) and W-1075 QC OTM-45 XAD-2 RESIN TUBE RB (140-31434-21). Results for samples W-1040,1041 R1 OTM-45 FH (140-31434-1), W-1047,1048 R2 OTM-45 FH (140-31434-5) and W-1054,1055 R3 OTM-45 FH (140-31434-9) were reported from the analysis of a diluted extract due to high concentration of the target analyte in the analysis of the undiluted extract. The dilution factor was applied to the labeled internal standard area counts and these area counts were within acceptance limits. The required dilution factor for the following samples were higher than could be achieved by "in vial" dilution, as it would dilute out the Isotope Dilution Analytes (IDA): W-1042,1043,1045 R1 OTM-45 BH (140-31434-2) and W-1049,1050,1052 R2 OTM-45 BH (140-31434-6). As such, the dilution was achieved by taking a subsample of the undiluted extract, adding sufficient solvent, and re-spiking the extract with IDA. One or more Isotope Dilution Analyte (IDA) recoveries are above the method recommended limit for the following samples: W-1061,1062 QC OTM-45 FH FBT (140-31434-13), W-1068,1069 QC OTM-45 FH PBT (140-31434-17), W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-4), W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-8), W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-12), W-1063,1064,1066 QC OTM-45 BH FBT (140-31434-14), W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT (140-31434-16), W-1070,1071,1073 QC OTM-45 BH PBT (140-31434-18), W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT (140-31434-20), W-1075 QC OTM-45 XAD-2 RESIN TUBE RB (140-31434-21), (LCS 140-72552/2-B), (LCSD 140-72552/3-B) and (MB 140-72552/14-B). Quantitation by isotope dilution generally precludes any adverse effect on data quality due to elevated IDA recoveries. One or more Isotope Dilution Analyte (IDA) recoveries associated with the following samples are below the method recommended limit: W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-8), W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Page 5 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Case Narrative 1 Job ID: 140-31434-1 2 Job ID: 140-31434-1 (Continued) 3 4 Laboratory: Eurofins Knoxville (Continued) (140-31434-12), W-1063,1064,1066 QC OTM-45 BH FBT (140-31434-14), W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT (140-31434-16), W-1070,1071,1073 QC OTM-45 BH PBT (140-31434-18), A-1550 OTM-45 MEDIA CHECK XAD (140-31434-25), (LCS 140-72552/2-B), (LCSD 140-72552/3-B), (MB 140-72552/1-B) and (MB 140-72552/14-B). Generally, data quality is not considered affected 5 if the IDA signal-to-noise ratio is greater than 10:1, which is achieved for all IDA in the samples. 6 7 One or more Isotope Dilution Analyte (IDA) recoveries associated with the following samples, W-1063,1064,1066 QC OTM-45 BH FBT (140-31434-14), W-1070,1071,1073 QC OTM-45 BH PBT (140-31434-18), W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-8), W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE (140-31434-12), W-1063, A-1550 OTM-45 MEDIA CHECK XAD 8 (140-31434-25), (LCS 140-72552/2-B), (LCSD 140-72552/3-B), (MB 140-72552/1-B) and (MB 140-72552/14-B), are below the method recommended limit of 10%. Generally, re-extraction of samples should be performed if the signal to noise ratio for any IDA is less than 10:1 or the IDA recoveries fall below 10%. With the low IDA recoveries, the target analytes associated with these IDAs may have a high bias. The entire sample was consumed during the extraction or analysis, therefore the data has been reported and targets have been 9 flagged with an "R" flag. 10 11 The laboratory control sample (LCS) and laboratory control sample duplicate (LCSD) for preparation batch 140-72552 and 140-72642 and analytical batch 140-73110 recovered outside acceptance limits for several analytes. The entire sample was consumed during analysis or extraction therefore, the data have been reported. 12 The RPD of the laboratory control sample (LCS) and laboratory control sample duplicate (LCSD) for preparation batch 140-72552 and 140-72642 and analytical batch 140-73110 recovered outside control limits for several analytes. 13 14 Organic Prep 15 No analytical or quality issues were noted, other than those described in the Definitions/Glossary page. Page 6 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1040,1041 R1 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 39.5 Perfluoropentanoic acid (PFPeA) ND 19.8 Perfluorohexanoic acid (PFHxA) ND 19.8 Perfluoroheptanoic acid (PFHpA) ND 19.8 Perfluorooctanoic acid (PFOA) ND 19.8 Perfluorononanoic acid (PFNA) 4.76 J 19.8 Perfluorodecanoic acid (PFDA) ND 19.8 Perfluoroundecanoic acid 6.80 J 19.8 (PFUnA) Perfluorododecanoic acid (PFDoA) ND 19.8 Perfluorotridecanoic acid (PFTriA) 9.79 J 19.8 Perfluorotetradecanoic acid 3.93 J 19.8 (PFTeA) Perfluoro-n-hexadecanoic acid ND 19.8 (PFHxDA) Perfluoro-n-octadecanoic acid ND 19.8 (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 19.8 Perfluoropentanesulfonic acid ND 19.8 (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 19.8 Perfluoroheptanesulfonic acid ND 19.8 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 19.8 Perfluorononanesulfonic acid (PFNS) ND 19.8 Perfluorodecanesulfonic acid (PFDS) ND 19.8 Perfluorododecanesulfonic acid ND 19.8 (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 19.8 acid Perfluorooctanesulfonamide (FOSA) ND 19.8 N-ethylperfluorooctane sulfonamide ND 19.8 (NEtFOSA) N-methylperfluorooctane sulfonamide ND 19.8 (NMeFOSA) 2- ND 98.8 (N-methylperfluoro-1-octanesulfonami do) ethanol 2- ND 19.8 (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 19.8 etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 19.8 cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 19.8 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 98.8 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 19.8 sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 19.8 sulfonic acid (10:2 FTS) MDL 25.7 3.56 4.15 12.2 12.8 1.68 4.94 3.36 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 1.98 ng/Sample 2.77 ng/Sample 3.36 ng/Sample 5.73 ng/Sample 4.35 ng/Sample 17.6 ng/Sample 2.37 ng/Sample 2.17 ng/Sample 2.17 ng/Sample 8.89 ng/Sample 2.37 ng/Sample 2.17 ng/Sample 1.88 ng/Sample 4.35 ng/Sample 1.74 ng/Sample 3.16 ng/Sample 2.96 ng/Sample 96.8 ng/Sample 2.37 ng/Sample 2.77 ng/Sample 2.37 ng/Sample 1.80 ng/Sample 79.0 ng/Sample 2.77 ng/Sample 6.32 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i1r 3 4 D Prepared Analyzed 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 Dil Fac 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 5 6 7 8 9 10 11 12 13 14 15 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 04/24/23 09:01 05/03/23 16:38 20 Eurofins Knoxville Page 7 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1040,1041 R1 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 3-Perfluoropropylpropanoic acid ND 19.8 5.73 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 19.8 9.48 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 19.8 6.91 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 19.8 8.49 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 19.8 6.91 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 19.8 8.30 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 19.8 2.77 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 19.8 4.35 ng/Sample 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) Hexafluoropropylene Oxide Dimer 1070 ND 19.8 2.77 ng/Sample 98.8 92.8 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 19.8 1.94 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 19.8 3.95 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid 13.2 J ND 19.8 2.96 ng/Sample 19.8 3.95 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 19.8 2.96 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 19.8 2.77 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M d-N-MeFOSA-M M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS %Recovery 85 91 85 94 84 88 82 91 84 92 93 93 93 87 90 94 98 117 86 86 91 90 111 107 94 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i1r 3 4 D Prepared Analyzed 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 Dil Fac 20 20 20 20 20 20 20 20 20 20 20 20 5 6 7 8 9 10 11 12 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 20 13 20 14 20 15 20 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 05/03/23 16:38 Dil Fac 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 Eurofins Knoxville Page 8 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1040,1041 R1 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C-10:2 FTCA 78 25 - 150 13C-6:2 FTCA 67 25 - 150 13C-6:2 FTUCA 128 25 - 150 13C-8:2 FTCA 64 25 - 150 13C-8:2 FTUCA 130 25 - 150 13C2 10:2 FTS 99 25 - 150 Client Sample ID: W-1042,1043,1045 R1 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 1000 Perfluoropentanoic acid (PFPeA) 104 100 Perfluorohexanoic acid (PFHxA) ND 100 Perfluoroheptanoic acid (PFHpA) ND 300 Perfluorooctanoic acid (PFOA) ND 100 Perfluorononanoic acid (PFNA) ND 100 Perfluorodecanoic acid (PFDA) ND 100 Perfluoroundecanoic acid (PFUnA) ND 100 Perfluorododecanoic acid (PFDoA) ND 100 Perfluorotridecanoic acid (PFTriA) ND *- 100 Perfluorotetradecanoic acid (PFTeA) ND 100 Perfluorobutanesulfonic acid (PFBS) ND 100 Perfluorohexanesulfonic acid (PFHxS) ND 100 Perfluoroheptanesulfonic acid ND 100 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 100 Perfluorodecanesulfonic acid (PFDS) ND *- 100 Perfluorooctanesulfonamide (FOSA) ND 100 Perfluoropentanesulfonic acid ND 100 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 100 N-methylperfluorooctanesulfonamidoa ND 100 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 100 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 100 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 1000 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 100 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 2000 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 100 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 100 e-1-sulfonic acid MDL 940 45.0 52.0 260 66.0 89.0 21.0 27.0 12.0 17.0 23.0 52.0 26.0 20.0 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 15.0 ng/Sample 20.0 ng/Sample 23.0 ng/Sample 21.0 ng/Sample 16.0 ng/Sample 12.0 ng/Sample 19.0 ng/Sample 6.40 ng/Sample 870 ng/Sample 16.0 ng/Sample 1100 ng/Sample 18.0 ng/Sample 18.0 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i1r 3 4 Prepared Analyzed 5 Dil Fac 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 6 20 20 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 7 20 20 04/24/23 09:01 05/03/23 16:38 04/24/23 09:01 05/03/23 16:38 8 20 20 Lab Sample ID: 140-31434-2 9 Matrix: Air 10 11 D Prepared Analyzed 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 04/24/23 08:34 05/09/23 17:44 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 12 13 14 15 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 Eurofins Knoxville Page 9 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1042,1043,1045 R1 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane 1950 *+ ND 200 110 ng/Sample 100 17.0 ng/Sample sulfonic acid (10:2 FTS) 2- ND 100 37.0 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 100 64.0 ng/Sample (PFODA) 2- ND 2000 1980 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 100 77.0 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 100 66.0 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 100 29.0 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 100 18.0 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 100 16.0 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 100 52.0 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 100 100 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 100 56.0 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 100 20.0 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 100 38.0 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 100 20.0 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 100 70.0 ng/Sample 3-Perfluoropropylpropanoic acid ND 100 31.0 ng/Sample Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid 2800 ND 100 12.0 ng/Sample 100 13.0 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 100 14.0 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 100 10.0 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS %Recovery 96 92 102 100 98 103 91 98 102 101 104 98 99 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-2 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 17:44 Dil Fac 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 04/24/23 08:34 05/09/23 17:44 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 10 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1042,1043,1045 R1 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C4 PFOS 95 25 - 150 d3-NMeFOSAA 115 25 - 150 d5-NEtFOSAA 117 25 - 150 M2-4:2 FTS 101 25 - 150 M2-6:2 FTS 103 25 - 150 M2-8:2 FTS 102 25 - 150 13C3 HFPO-DA 94 25 - 150 13C2 PFHxDA 93 25 - 150 d-N-MeFOSA-M 90 25 - 150 d7-N-MeFOSE-M 93 25 - 150 d9-N-EtFOSE-M 97 25 - 150 d-N-EtFOSA-M 86 25 - 150 13C2 10:2 FTS 103 25 - 150 13C-10:2 FTCA 103 25 - 150 13C-6:2 FTCA 103 25 - 150 13C-6:2 FTUCA 117 25 - 150 13C-8:2 FTCA 74 25 - 150 13C-8:2 FTUCA 117 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 13 3 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 0.600 Perfluoropentanoic acid (PFPeA) ND 0.600 Perfluorohexanoic acid (PFHxA) ND 0.600 Perfluoroheptanoic acid (PFHpA) ND 0.600 Perfluorooctanoic acid (PFOA) ND 0.600 Perfluorononanoic acid (PFNA) ND 0.600 Perfluorodecanoic acid (PFDA) ND 0.600 Perfluoroundecanoic acid (PFUnA) ND 0.600 Perfluorododecanoic acid (PFDoA) ND 0.600 Perfluorotridecanoic acid (PFTriA) ND 0.600 Perfluorotetradecanoic acid (PFTeA) ND 0.600 Perfluorobutanesulfonic acid (PFBS) ND 0.600 Perfluorohexanesulfonic acid (PFHxS) ND 0.600 Perfluoroheptanesulfonic acid ND 0.600 (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) 0.715 I CI ND 0.600 0.600 MDL 0.240 0.0780 0.228 0.183 0.114 0.0630 0.0780 0.0900 0.0630 0.0960 0.135 0.0540 0.0690 0.138 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.0780 ng/Sample 0.0990 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i2r 3 4 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 05/09/23 17:44 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 17:44 05/09/23 17:44 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Dil Fac 1 1 5 6 7 8 9 10 11 12 13 14 15 Lab Sample ID: 140-31434-3 Matrix: Air D Prepared Analyzed 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 Page 11 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluorooctanesulfonamide (FOSA) ND 0.600 0.240 ng/Sample Perfluoropentanesulfonic acid ND 0.600 0.0720 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND 0.600 0.0450 ng/Sample N-methylperfluorooctanesulfonamidoa ND 0.600 0.123 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 0.600 0.0900 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 0.600 0.0690 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 0.600 0.165 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 0.600 0.156 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 0.600 0.282 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 0.600 0.0780 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 0.600 0.0840 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND 0.600 0.168 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 0.600 0.129 ng/Sample sulfonic acid (10:2 FTS) 2- ND 0.600 0.222 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND 0.600 0.153 ng/Sample (PFODA) 2- ND 0.600 0.123 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 0.600 0.102 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 0.600 0.162 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 0.600 0.171 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND 0.600 0.0960 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 0.600 0.174 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 0.600 0.360 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 0.600 0.360 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 0.600 0.450 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 0.600 0.108 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 0.600 0.390 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 0.600 0.240 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 0.600 0.360 ng/Sample 3-Perfluoropropylpropanoic acid ND 0.600 0.264 ng/Sample Perfluoro-3-methoxypropanoic acid ND 0.600 0.174 ng/Sample (PFMPA) 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-3 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 17 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 11 8 19 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 1 10 1 11 1 12 1 1 13 1 14 04/27/23 11:24 05/03/23 14:49 04/27/23 11:24 05/03/23 14:49 1 15 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 Eurofins Knoxville Page 12 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro-4-methoxybutanoic acid ND 0.600 0.237 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND 0.600 0.192 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 0.600 0.153 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 76 82 83 83 85 87 86 82 80 64 61 81 85 87 87 100 92 100 108 84 72 61 57 61 64 97 89 84 102 83 107 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0.002 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-3 Matrix: Air D Prepared Analyzed 04/27/23 11:24 05/03/23 14:49 Dil Fac 1 04/27/23 11:24 05/03/23 14:49 1 04/27/23 11:24 05/03/23 14:49 1 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 05/03/23 14:49 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:49 05/03/23 14:49 Dil Fac 1 1 Page 13 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) 11.9 10.0 Perfluoropentanoic acid (PFPeA) 3.65 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) 1.63 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 Perfluorooctanesulfonamide (FOSA) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 1.00 sulfonic acid (10:2 FTS) 2- ND 1.00 (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 1.00 (PFODA) 2- ND 20.0 (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 (NMeFOSA) MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 0.260 0.200 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.150 0.200 0.230 0.210 ng/Sample ng/Sample ng/Sample ng/Sample 0.160 ng/Sample 0.120 ng/Sample 0.190 ng/Sample 0.0640 ng/Sample 8.70 ng/Sample 0.160 ng/Sample 11.0 ng/Sample 0.180 ng/Sample 0.180 ng/Sample 1.10 ng/Sample 0.170 ng/Sample 0.370 ng/Sample 0.640 ng/Sample 19.8 ng/Sample 0.770 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-4 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 1 Eurofins Knoxville Page 14 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit N-ethylperfluorooctane sulfonamide ND 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic 3.67 acid (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.120 ng/Sample 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M %Recovery 137 98 121 139 123 129 149 154 150 120 99 121 108 126 159 170 213 164 211 114 32 102 60 42 Qualifier *5+ *5+ *5+ *5+ *5+ *5+ Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-4 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/24/23 08:34 05/09/23 15:04 1 04/24/23 08:34 05/09/23 15:04 17 04/24/23 08:34 05/09/23 15:04 18 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 04/24/23 08:34 05/09/23 15:04 19 11 10 1 1 11 1 1 12 1 1 13 1 14 1 1 15 04/24/23 08:34 05/09/23 15:04 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 15 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits d-N-EtFOSA-M 74 25 - 150 13C2 10:2 FTS 137 25 - 150 13C-10:2 FTCA 65 25 - 150 13C-6:2 FTCA 68 25 - 150 13C-6:2 FTUCA 240 *5+ 25 - 150 13C-8:2 FTCA 78 25 - 150 13C-8:2 FTUCA 234 *5+ 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 70 79 Qualifier Limits 50 - 150 50 - 150 Client Sample ID: W-1047,1048 R2 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 19.7 Perfluoropentanoic acid (PFPeA) ND 9.85 Perfluorohexanoic acid (PFHxA) ND 9.85 Perfluoroheptanoic acid (PFHpA) ND 9.85 Perfluorooctanoic acid (PFOA) ND 9.85 Perfluorononanoic acid (PFNA) ND 9.85 Perfluorodecanoic acid (PFDA) ND 9.85 Perfluoroundecanoic acid (PFUnA) ND 9.85 Perfluorododecanoic acid 1.21 J 9.85 (PFDoA) Perfluorotridecanoic acid (PFTriA) 3.48 J 9.85 Perfluorotetradecanoic acid 2.60 J 9.85 (PFTeA) Perfluoro-n-hexadecanoic acid ND 9.85 (PFHxDA) Perfluoro-n-octadecanoic acid ND 9.85 (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 9.85 Perfluoropentanesulfonic acid ND 9.85 (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 9.85 Perfluoroheptanesulfonic acid ND 9.85 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 9.85 Perfluorononanesulfonic acid (PFNS) ND 9.85 Perfluorodecanesulfonic acid (PFDS) ND 9.85 Perfluorododecanesulfonic acid ND 9.85 (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 9.85 acid Perfluorooctanesulfonamide (FOSA) ND 9.85 MDL 12.8 1.77 2.07 6.11 6.40 0.837 2.46 1.67 0.985 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 1.38 ng/Sample 1.67 ng/Sample 2.86 ng/Sample 2.17 ng/Sample 8.77 ng/Sample 1.18 ng/Sample 1.08 ng/Sample 1.08 ng/Sample 4.43 1.18 1.08 0.936 ng/Sample ng/Sample ng/Sample ng/Sample 2.17 ng/Sample 0.867 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-4 3 Matrix: Air 4 5 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 05/09/23 15:04 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:04 05/09/23 15:04 Dil Fac 1 1 1 1 1 1 1 Dil Fac 1 1 6 7 8 9 10 11 Lab Sample ID: 140-31434-5 12 Matrix: Air 13 D Prepared Analyzed 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 04/24/23 09:01 05/03/23 16:47 Dil Fac 10 10 10 10 10 10 10 10 10 14 15 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 Eurofins Knoxville Page 16 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1047,1048 R2 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit N-ethylperfluorooctane sulfonamide ND 9.85 1.58 ng/Sample (NEtFOSA) N-methylperfluorooctane sulfonamide ND 9.85 1.48 ng/Sample (NMeFOSA) 2- ND 49.2 48.3 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol 2- ND 9.85 1.18 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 9.85 1.38 ng/Sample etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 9.85 1.18 ng/Sample cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 9.85 0.896 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 49.2 39.4 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 9.85 1.38 ng/Sample sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 9.85 3.15 ng/Sample sulfonic acid (10:2 FTS) 3-Perfluoropropylpropanoic acid ND 9.85 2.86 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 9.85 4.73 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 9.85 3.45 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 9.85 4.23 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 9.85 3.45 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 9.85 4.14 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 9.85 1.38 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 9.85 2.17 ng/Sample 4,8-Dioxa-3H-perfluorononanoic 693 acid (ADONA) Hexafluoropropylene Oxide Dimer ND 9.85 1.38 ng/Sample 49.2 46.3 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 9.85 0.965 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 9.85 1.97 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid 10.0 ND 9.85 1.48 ng/Sample 9.85 1.97 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 9.85 1.48 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 9.85 1.38 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA %Recovery 86 86 84 81 81 85 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-5 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 16:47 Dil Fac 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 04/24/23 09:01 05/03/23 16:47 10 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 Dil Fac 10 10 10 10 10 10 Eurofins Knoxville Page 17 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1047,1048 R2 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C3 HFPO-DA 85 25 - 150 13C3 PFBS 88 25 - 150 13C4 PFBA 83 25 - 150 13C4 PFHpA 86 25 - 150 13C4 PFOA 92 25 - 150 13C4 PFOS 90 25 - 150 13C5 PFNA 87 25 - 150 13C5 PFPeA 87 25 - 150 13C8 FOSA 83 25 - 150 18O2 PFHxS 89 25 - 150 d3-NMeFOSAA 95 25 - 150 d5-NEtFOSAA 104 25 - 150 d7-N-MeFOSE-M 82 25 - 150 d9-N-EtFOSE-M 82 25 - 150 d-N-EtFOSA-M 90 25 - 150 d-N-MeFOSA-M 78 25 - 150 M2-4:2 FTS 116 25 - 150 M2-6:2 FTS 113 25 - 150 M2-8:2 FTS 97 25 - 150 13C-10:2 FTCA 74 25 - 150 13C-6:2 FTCA 69 25 - 150 13C-6:2 FTUCA 111 25 - 150 13C-8:2 FTCA 70 25 - 150 13C-8:2 FTUCA 118 25 - 150 13C2 10:2 FTS 92 25 - 150 Client Sample ID: W-1049,1050,1052 R2 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 1000 Perfluoropentanoic acid (PFPeA) ND 100 Perfluorohexanoic acid (PFHxA) ND 100 Perfluoroheptanoic acid (PFHpA) ND 300 Perfluorooctanoic acid (PFOA) ND 100 Perfluorononanoic acid (PFNA) ND 100 Perfluorodecanoic acid (PFDA) ND 100 Perfluoroundecanoic acid (PFUnA) ND 100 Perfluorododecanoic acid (PFDoA) ND 100 Perfluorotridecanoic acid (PFTriA) ND *- 100 Perfluorotetradecanoic acid (PFTeA) ND 100 Perfluorobutanesulfonic acid (PFBS) ND 100 Perfluorohexanesulfonic acid (PFHxS) ND 100 Perfluoroheptanesulfonic acid ND 100 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 100 MDL 940 45.0 52.0 260 66.0 89.0 21.0 27.0 12.0 17.0 23.0 52.0 26.0 20.0 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 15.0 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-5 Matrix: Air Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 05/03/23 16:47 Dil Fac 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Lab Sample ID: 140-31434-6 Matrix: Air 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D Prepared Analyzed 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 15:12 1 Eurofins Knoxville Page 18 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1049,1050,1052 R2 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluorodecanesulfonic acid (PFDS) ND *- 100 20.0 ng/Sample Perfluorooctanesulfonamide (FOSA) ND 100 23.0 ng/Sample Perfluoropentanesulfonic acid ND 100 21.0 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 100 16.0 ng/Sample N-methylperfluorooctanesulfonamidoa ND 100 12.0 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 100 19.0 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 100 6.40 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 1000 870 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 100 16.0 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 2000 1100 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 100 18.0 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 100 18.0 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane 8280 *+ ND 200 110 ng/Sample 100 17.0 ng/Sample sulfonic acid (10:2 FTS) 2- ND 100 37.0 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 100 64.0 ng/Sample (PFODA) 2- ND 2000 1980 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 100 77.0 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 100 66.0 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 100 29.0 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 100 18.0 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 100 16.0 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 100 52.0 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 100 100 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 100 56.0 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 100 20.0 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 100 38.0 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 100 20.0 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 100 70.0 ng/Sample 3-Perfluoropropylpropanoic acid ND 100 31.0 ng/Sample Perfluoro-3-methoxypropanoic acid (PFMPA) 3280 100 12.0 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i6r 3 4 D Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 16 1 04/24/23 08:34 05/09/23 15:12 17 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 1 1 8 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 19 1 10 1 11 1 1 12 1 13 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 04/24/23 08:34 05/09/23 15:12 1 14 1 15 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 Page 19 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1049,1050,1052 R2 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro-4-methoxybutanoic acid ND 100 13.0 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 100 14.0 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 100 10.0 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 93 86 95 100 104 100 101 96 106 101 98 95 97 89 108 108 119 116 106 96 93 86 90 94 77 85 127 92 105 84 105 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 89 26 Qualifier S1- Limits 50 - 150 50 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-6 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 15:12 Dil Fac 1 04/24/23 08:34 05/09/23 15:12 1 04/24/23 08:34 05/09/23 15:12 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 05/09/23 15:12 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:12 05/09/23 15:12 Dil Fac 1 1 Page 20 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 0.620 Perfluoropentanoic acid (PFPeA) ND 0.620 Perfluorohexanoic acid (PFHxA) ND 0.620 Perfluoroheptanoic acid (PFHpA) ND 0.620 Perfluorooctanoic acid (PFOA) ND 0.620 Perfluorononanoic acid (PFNA) ND 0.620 Perfluorodecanoic acid (PFDA) ND 0.620 Perfluoroundecanoic acid (PFUnA) ND 0.620 Perfluorododecanoic acid (PFDoA) ND 0.620 Perfluorotridecanoic acid (PFTriA) ND 0.620 Perfluorotetradecanoic acid (PFTeA) ND 0.620 Perfluorobutanesulfonic acid (PFBS) ND 0.620 Perfluorohexanesulfonic acid (PFHxS) ND 0.620 Perfluoroheptanesulfonic acid ND 0.620 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 0.620 Perfluorodecanesulfonic acid (PFDS) ND 0.620 Perfluorooctanesulfonamide (FOSA) ND 0.620 Perfluoropentanesulfonic acid ND 0.620 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND 0.620 N-methylperfluorooctanesulfonamidoa ND 0.620 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 0.620 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 0.620 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 0.620 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 0.620 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 0.620 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 0.620 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 0.620 e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND 0.620 (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 0.620 sulfonic acid (10:2 FTS) 2- ND 0.620 (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND 0.620 (PFODA) 2- ND 0.620 (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 0.620 (NMeFOSA) MDL 0.248 0.0806 0.236 0.189 0.118 0.0651 0.0806 0.0930 0.0651 0.0992 0.140 0.0558 0.0713 0.143 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.0806 0.102 0.248 0.0744 ng/Sample ng/Sample ng/Sample ng/Sample 0.0465 ng/Sample 0.127 ng/Sample 0.0930 ng/Sample 0.0713 ng/Sample 0.171 ng/Sample 0.161 ng/Sample 0.291 ng/Sample 0.0806 ng/Sample 0.0868 ng/Sample 0.174 ng/Sample 0.133 ng/Sample 0.229 ng/Sample 0.158 ng/Sample 0.127 ng/Sample 0.105 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-7 Matrix: Air D Prepared Analyzed 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 1 Eurofins Knoxville Page 21 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit N-ethylperfluorooctane sulfonamide ND 0.620 0.167 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 0.620 0.177 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND 0.620 0.0992 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 0.620 0.180 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 0.620 0.372 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 0.620 0.372 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 0.620 0.465 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 0.620 0.112 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 0.620 0.403 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 0.620 0.248 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 0.620 0.372 ng/Sample 3-Perfluoropropylpropanoic acid ND 0.620 0.273 ng/Sample Perfluoro-3-methoxypropanoic acid ND 0.620 0.180 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 0.620 0.245 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND 0.620 0.198 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 0.620 0.158 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M %Recovery 65 87 91 86 90 90 86 87 87 71 55 90 93 91 81 79 100 95 97 82 71 51 52 52 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-7 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/27/23 11:24 05/03/23 14:59 1 04/27/23 11:24 05/03/23 14:59 17 04/27/23 11:24 05/03/23 14:59 18 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 04/27/23 11:24 05/03/23 14:59 19 11 10 1 1 11 1 1 12 1 1 13 1 14 1 1 15 04/27/23 11:24 05/03/23 14:59 1 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 22 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits d-N-EtFOSA-M 52 25 - 150 13C2 10:2 FTS 92 25 - 150 13C-10:2 FTCA 61 25 - 150 13C-6:2 FTCA 83 25 - 150 13C-6:2 FTUCA 109 25 - 150 13C-8:2 FTCA 88 25 - 150 13C-8:2 FTUCA 110 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 10.0 Perfluoropentanoic acid (PFPeA) 2.85 1.00 Perfluorohexanoic acid (PFHxA) 0.615 J 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) 1.21 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 Perfluorooctanesulfonamide (FOSA) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 acid (6:2 FTS) MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 0.260 0.200 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.150 0.200 0.230 0.210 ng/Sample ng/Sample ng/Sample ng/Sample 0.160 ng/Sample 0.120 ng/Sample 0.190 ng/Sample 0.0640 ng/Sample 8.70 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-7 3 Matrix: Air 4 5 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 05/03/23 14:59 Prepared 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:59 05/03/23 14:59 Dil Fac 1 1 1 1 1 1 1 Dil Fac 1 1 6 7 8 9 10 11 Lab Sample ID: 140-31434-8 12 Matrix: Air 13 14 D Prepared Analyzed 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 Eurofins Knoxville Page 23 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane 1.17 J *+ ND 2.00 1.10 ng/Sample 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND R 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 R 1.00 0.640 ng/Sample (PFODA) 2- ND 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND R 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic 4.20 acid (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.120 ng/Sample 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA %Recovery 120 106 126 132 122 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-8 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 17 04/24/23 08:34 05/09/23 15:21 18 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 04/24/23 08:34 05/09/23 15:21 19 1 10 1 11 1 12 1 13 1 14 1 15 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 04/24/23 08:34 05/09/23 15:21 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 Dil Fac 1 1 1 1 1 Eurofins Knoxville Page 24 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C4 PFOA 117 25 - 150 13C5 PFNA 133 25 - 150 13C2 PFDA 129 25 - 150 13C2 PFUnA 93 25 - 150 13C2 PFDoA 67 25 - 150 13C2 PFTeDA 25 25 - 150 13C3 PFBS 121 25 - 150 18O2 PFHxS 105 25 - 150 13C4 PFOS 114 25 - 150 d3-NMeFOSAA 115 25 - 150 d5-NEtFOSAA 104 25 - 150 M2-4:2 FTS 199 *5+ 25 - 150 M2-6:2 FTS 136 25 - 150 M2-8:2 FTS 127 25 - 150 13C3 HFPO-DA 111 25 - 150 13C2 PFHxDA 4 *5- 25 - 150 d-N-MeFOSA-M 69 25 - 150 d7-N-MeFOSE-M 11 *5- 25 - 150 d9-N-EtFOSE-M 7 *5- 25 - 150 d-N-EtFOSA-M 41 25 - 150 13C2 10:2 FTS 59 25 - 150 13C-10:2 FTCA 41 25 - 150 13C-6:2 FTCA 71 25 - 150 13C-6:2 FTUCA 219 *5+ 25 - 150 13C-8:2 FTCA 57 25 - 150 13C-8:2 FTUCA 204 *5+ 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 78 80 Qualifier Limits 50 - 150 50 - 150 Client Sample ID: W-1054,1055 R3 OTM-45 FH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 20.0 Perfluoropentanoic acid (PFPeA) 6.78 J 10.0 Perfluorohexanoic acid (PFHxA) ND 10.0 Perfluoroheptanoic acid (PFHpA) ND 10.0 Perfluorooctanoic acid (PFOA) ND 10.0 Perfluorononanoic acid (PFNA) 1.46 J 10.0 Perfluorodecanoic acid (PFDA) ND 10.0 Perfluoroundecanoic acid (PFUnA) ND 10.0 Perfluorododecanoic acid (PFDoA) ND 10.0 Perfluorotridecanoic acid (PFTriA) 2.52 J 10.0 MDL 13.0 1.80 2.10 6.20 6.50 0.850 2.50 1.70 1.00 1.40 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-8 Matrix: Air Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 05/09/23 15:21 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:21 05/09/23 15:21 Dil Fac 1 1 Lab Sample ID: 140-31434-9 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 Dil Fac 10 10 10 10 10 10 10 10 10 10 Eurofins Knoxville Page 25 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1054,1055 R3 OTM-45 FH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluorotetradecanoic acid (PFTeA) ND 10.0 1.70 ng/Sample Perfluoro-n-hexadecanoic acid ND 10.0 2.90 ng/Sample (PFHxDA) Perfluoro-n-octadecanoic acid ND 10.0 2.20 ng/Sample (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 10.0 8.90 ng/Sample Perfluoropentanesulfonic acid ND 10.0 1.20 ng/Sample (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 10.0 1.10 ng/Sample Perfluoroheptanesulfonic acid ND 10.0 1.10 ng/Sample (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 10.0 4.50 ng/Sample Perfluorononanesulfonic acid (PFNS) ND 10.0 1.20 ng/Sample Perfluorodecanesulfonic acid (PFDS) ND 10.0 1.10 ng/Sample Perfluorododecanesulfonic acid ND 10.0 0.950 ng/Sample (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 10.0 2.20 ng/Sample acid Perfluorooctanesulfonamide (FOSA) ND 10.0 0.880 ng/Sample N-ethylperfluorooctane sulfonamide ND 10.0 1.60 ng/Sample (NEtFOSA) N-methylperfluorooctane sulfonamide ND 10.0 1.50 ng/Sample (NMeFOSA) 2- ND 50.0 49.0 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol 2- ND 10.0 1.20 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 10.0 1.40 ng/Sample etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 10.0 1.20 ng/Sample cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 10.0 0.910 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 50.0 40.0 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 10.0 1.40 ng/Sample sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 10.0 3.20 ng/Sample sulfonic acid (10:2 FTS) 3-Perfluoropropylpropanoic acid ND 10.0 2.90 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 10.0 4.80 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 10.0 3.50 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 10.0 4.30 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 10.0 3.50 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 10.0 4.20 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 10.0 1.40 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 10.0 2.20 ng/Sample 4,8-Dioxa-3H-perfluorononanoic 559 acid (ADONA) Hexafluoropropylene Oxide Dimer ND 10.0 1.40 ng/Sample 50.0 47.0 ng/Sample Acid (HFPO-DA) 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i9r 3 4 D Prepared Analyzed 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 Dil Fac 10 10 10 10 10 10 10 10 10 10 10 5 6 7 8 9 10 11 12 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 10 13 10 10 14 04/24/23 09:01 05/03/23 16:56 04/24/23 09:01 05/03/23 16:56 10 15 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 Eurofins Knoxville Page 26 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1054,1055 R3 OTM-45 FH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 9-Chlorohexadecafluoro-3-oxanonan ND 10.0 0.980 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 10.0 2.00 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid 7.19 J ND 10.0 1.50 ng/Sample 10.0 2.00 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 10.0 1.50 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 10.0 1.40 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M d-N-MeFOSA-M M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA 13C2 10:2 FTS %Recovery 90 88 88 83 92 90 85 94 87 95 92 89 92 91 97 92 105 109 90 91 105 98 112 110 90 89 79 126 65 141 86 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-9 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 16:56 Dil Fac 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 04/24/23 09:01 05/03/23 16:56 10 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 05/03/23 16:56 Dil Fac 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 27 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1056,1057,1059 R3 OTM-45 BH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 602 Perfluoropentanoic acid (PFPeA) 32.5 J 60.2 Perfluorohexanoic acid (PFHxA) ND 60.2 Perfluoroheptanoic acid (PFHpA) ND 181 Perfluorooctanoic acid (PFOA) ND 60.2 Perfluorononanoic acid (PFNA) ND 60.2 Perfluorodecanoic acid (PFDA) ND 60.2 Perfluoroundecanoic acid (PFUnA) ND 60.2 Perfluorododecanoic acid (PFDoA) ND 60.2 Perfluorotridecanoic acid (PFTriA) ND *- 60.2 Perfluorotetradecanoic acid (PFTeA) ND 60.2 Perfluorobutanesulfonic acid (PFBS) ND 60.2 Perfluorohexanesulfonic acid (PFHxS) ND 60.2 Perfluoroheptanesulfonic acid ND 60.2 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 60.2 Perfluorodecanesulfonic acid (PFDS) ND *- 60.2 Perfluorooctanesulfonamide (FOSA) ND 60.2 Perfluoropentanesulfonic acid ND 60.2 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 60.2 N-methylperfluorooctanesulfonamidoa ND 60.2 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 60.2 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 60.2 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 602 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 60.2 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 1200 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 60.2 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 60.2 e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic 3790 *+ 120 acid (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 60.2 sulfonic acid (10:2 FTS) 2- ND 60.2 (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 60.2 (PFODA) 2- ND 1200 (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 60.2 (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 60.2 (NEtFOSA) MDL 566 27.1 31.3 157 39.8 53.6 12.7 16.3 7.23 10.2 13.9 31.3 15.7 12.0 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 9.04 ng/Sample 12.0 ng/Sample 13.9 ng/Sample 12.7 ng/Sample 9.64 ng/Sample 7.23 ng/Sample 11.4 ng/Sample 3.86 ng/Sample 524 ng/Sample 9.64 ng/Sample 663 ng/Sample 10.8 ng/Sample 10.8 ng/Sample 66.3 ng/Sample 10.2 ng/Sample 22.3 ng/Sample 38.6 ng/Sample 1190 ng/Sample 46.4 ng/Sample 39.8 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-10 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 Eurofins Knoxville Page 28 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1056,1057,1059 R3 OTM-45 BH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro-n-hexadecanoic acid ND 60.2 17.5 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 60.2 10.8 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 60.2 9.64 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 60.2 31.3 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 60.2 60.2 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 60.2 33.7 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 60.2 12.0 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 60.2 22.9 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 60.2 12.0 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 60.2 42.2 ng/Sample 3-Perfluoropropylpropanoic acid ND 60.2 18.7 ng/Sample Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid 3100 ND 60.2 7.23 ng/Sample 60.2 7.83 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 60.2 8.43 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 60.2 6.02 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA %Recovery 88 69 87 81 79 89 86 94 87 82 80 90 81 82 98 107 102 95 88 81 92 81 80 78 74 64 115 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-10 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/17/23 09:03 Dil Fac 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 04/24/23 08:34 05/17/23 09:03 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 05/17/23 09:03 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 29 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1056,1057,1059 R3 OTM-45 BH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C-6:2 FTCA 74 25 - 150 13C-6:2 FTUCA 94 25 - 150 13C-8:2 FTCA 62 25 - 150 13C-8:2 FTUCA 90 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 7 0.5 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 0.610 Perfluoropentanoic acid (PFPeA) ND 0.610 Perfluorohexanoic acid (PFHxA) ND 0.610 Perfluoroheptanoic acid (PFHpA) ND 0.610 Perfluorooctanoic acid (PFOA) ND 0.610 Perfluorononanoic acid (PFNA) ND 0.610 Perfluorodecanoic acid (PFDA) ND 0.610 Perfluoroundecanoic acid (PFUnA) ND 0.610 Perfluorododecanoic acid (PFDoA) ND 0.610 Perfluorotridecanoic acid (PFTriA) ND 0.610 Perfluorotetradecanoic acid (PFTeA) ND 0.610 Perfluorobutanesulfonic acid (PFBS) ND 0.610 Perfluorohexanesulfonic acid (PFHxS) ND 0.610 Perfluoroheptanesulfonic acid ND 0.610 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 0.610 Perfluorodecanesulfonic acid (PFDS) ND 0.610 Perfluorooctanesulfonamide (FOSA) ND 0.610 Perfluoropentanesulfonic acid ND 0.610 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND 0.610 N-methylperfluorooctanesulfonamidoa ND 0.610 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 0.610 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 0.610 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 0.610 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 0.610 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 0.610 Acid (HFPO-DA) MDL 0.244 0.0793 0.232 0.186 0.116 0.0641 0.0793 0.0915 0.0641 0.0976 0.137 0.0549 0.0702 0.140 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.0793 0.101 0.244 0.0732 ng/Sample ng/Sample ng/Sample ng/Sample 0.0458 ng/Sample 0.125 ng/Sample 0.0915 ng/Sample 0.0702 ng/Sample 0.168 ng/Sample 0.159 ng/Sample 0.287 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i0r 3 4 Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 16 1 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 17 1 Prepared Analyzed Dil Fac 8 04/24/23 08:34 05/17/23 09:03 04/24/23 08:34 05/17/23 09:03 1 19 Lab Sample ID: 140-31434-11 10 Matrix: Air 11 12 D Prepared Analyzed 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13 14 15 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 Page 30 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 9-Chlorohexadecafluoro-3-oxanonan ND 0.610 0.0793 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 0.610 0.0854 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND 0.610 0.171 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 0.610 0.131 ng/Sample sulfonic acid (10:2 FTS) 2- ND 0.610 0.226 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND 0.610 0.156 ng/Sample (PFODA) 2- ND 0.610 0.125 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 0.610 0.104 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 0.610 0.165 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 0.610 0.174 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND 0.610 0.0976 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 0.610 0.177 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 0.610 0.366 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 0.610 0.366 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 0.610 0.458 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 0.610 0.110 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 0.610 0.397 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 0.610 0.244 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 0.610 0.366 ng/Sample 3-Perfluoropropylpropanoic acid ND 0.610 0.268 ng/Sample Perfluoro-3-methoxypropanoic acid ND 0.610 0.177 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 0.610 0.241 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND 0.610 0.195 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 0.610 0.156 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA %Recovery 85 81 87 84 87 88 85 86 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-11 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 17 04/27/23 11:24 05/03/23 15:08 18 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 19 1 10 04/27/23 11:24 05/03/23 15:08 1 11 04/27/23 11:24 05/03/23 15:08 1 12 04/27/23 11:24 05/03/23 15:08 1 13 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 04/27/23 11:24 05/03/23 15:08 1 14 1 15 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 04/27/23 11:24 05/03/23 15:08 1 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 Dil Fac 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 31 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C2 PFUnA 78 25 - 150 13C2 PFDoA 75 25 - 150 13C2 PFTeDA 59 25 - 150 13C3 PFBS 78 25 - 150 18O2 PFHxS 84 25 - 150 13C4 PFOS 83 25 - 150 d3-NMeFOSAA 92 25 - 150 d5-NEtFOSAA 101 25 - 150 M2-4:2 FTS 86 25 - 150 M2-6:2 FTS 100 25 - 150 M2-8:2 FTS 87 25 - 150 13C3 HFPO-DA 77 25 - 150 13C2 PFHxDA 69 25 - 150 d-N-MeFOSA-M 65 25 - 150 d7-N-MeFOSE-M 55 25 - 150 d9-N-EtFOSE-M 52 25 - 150 d-N-EtFOSA-M 60 25 - 150 13C2 10:2 FTS 91 25 - 150 13C-10:2 FTCA 91 25 - 150 13C-6:2 FTCA 68 25 - 150 13C-6:2 FTUCA 105 25 - 150 13C-8:2 FTCA 76 25 - 150 13C-8:2 FTUCA 110 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND CI 10.0 Perfluoropentanoic acid (PFPeA) 1.38 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-11 Matrix: Air Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 05/03/23 15:08 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:08 05/03/23 15:08 Dil Fac 1 1 Lab Sample ID: 140-31434-12 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 32 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluorohexanesulfonic acid (PFHxS) ND 1.00 0.260 ng/Sample Perfluoroheptanesulfonic acid ND 1.00 0.200 ng/Sample (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 0.150 ng/Sample Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 0.200 ng/Sample Perfluorooctanesulfonamide (FOSA) ND 1.00 0.230 ng/Sample Perfluoropentanesulfonic acid ND 1.00 0.210 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 0.160 ng/Sample N-methylperfluorooctanesulfonamidoa ND 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 0.190 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0640 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 8.70 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 1.10 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 R 1.00 0.640 ng/Sample (PFODA) 2- ND 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND R 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-12 3 Matrix: Air 4 5 D Prepared Analyzed 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 Dil Fac 1 1 1 1 1 1 1 1 1 1 6 7 8 9 10 11 12 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 1 13 1 14 1 15 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 Page 33 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic 2.72 acid (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.120 ng/Sample 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 114 89 122 124 114 119 121 107 89 68 28 116 98 101 111 103 173 133 131 111 4 60 22 15 44 73 53 74 227 61 210 Qualifier *5+ *5*5*5*5+ *5+ Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 78 85 Qualifier Limits 50 - 150 50 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-12 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 04/24/23 08:34 05/09/23 15:39 Dil Fac 1 1 1 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 04/24/23 08:34 05/09/23 15:39 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 05/09/23 15:39 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:39 05/09/23 15:39 Dil Fac 1 1 Page 34 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1061,1062 QC OTM-45 FH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 2.00 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 1.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluoro-n-hexadecanoic acid ND 1.00 (PFHxDA) Perfluoro-n-octadecanoic acid ND 1.00 (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorononanesulfonic acid (PFNS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND 1.00 Perfluorododecanesulfonic acid ND 1.00 (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 1.00 acid Perfluorooctanesulfonamide (FOSA) ND 1.00 N-ethylperfluorooctane sulfonamide ND 1.00 (NEtFOSA) N-methylperfluorooctane sulfonamide ND 1.00 (NMeFOSA) 2- ND 5.00 (N-methylperfluoro-1-octanesulfonami do) ethanol 2- ND 1.00 (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 1.00 etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 5.00 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 1.00 sulfonic acid (10:2 FTS) 3-Perfluoropropylpropanoic acid ND 1.00 5:3 Fluorotelomer carboxylic acid ND 1.00 MDL 1.30 0.180 0.210 0.620 0.650 0.0850 0.250 0.170 0.100 0.140 0.170 0.290 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.890 ng/Sample 0.120 ng/Sample 0.110 ng/Sample 0.110 ng/Sample 0.450 0.120 0.110 0.0950 ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.0880 ng/Sample 0.160 ng/Sample 0.150 ng/Sample 4.90 ng/Sample 0.120 ng/Sample 0.140 ng/Sample 0.120 ng/Sample 0.0910 ng/Sample 4.00 ng/Sample 0.140 ng/Sample 0.320 ng/Sample 0.290 ng/Sample 0.480 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-13 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 Eurofins Knoxville Page 35 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1061,1062 QC OTM-45 FH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 7:3 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 0.430 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 1.00 0.420 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.140 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.220 ng/Sample 4,8-Dioxa-3H-perfluorononanoic 3.39 acid (ADONA) Hexafluoropropylene Oxide Dimer ND 1.00 0.140 ng/Sample 5.00 4.70 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 1.00 0.0980 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 1.00 0.200 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid 0.152 J ND 1.00 0.150 ng/Sample 1.00 0.200 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.150 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.140 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M d-N-MeFOSA-M M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA %Recovery 94 90 91 91 81 90 90 96 93 98 100 94 95 94 97 96 100 116 89 89 93 94 116 155 105 87 72 Qualifier *5+ Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-13 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 Dil Fac 1 1 1 1 1 1 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 04/24/23 09:01 05/03/23 17:04 1 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 05/03/23 17:04 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 36 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1061,1062 QC OTM-45 FH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C-6:2 FTUCA 133 25 - 150 13C-8:2 FTCA 74 25 - 150 13C-8:2 FTUCA 138 25 - 150 13C2 10:2 FTS 130 25 - 150 Client Sample ID: W-1063,1064,1066 QC OTM-45 BH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 10.0 Perfluoropentanoic acid (PFPeA) 0.724 J 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) 1.58 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND R 1.00 Perfluorododecanoic acid (PFDoA) ND R 1.00 Perfluorotridecanoic acid (PFTriA) ND *- R 1.00 Perfluorotetradecanoic acid (PFTeA) ND R 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid 0.263 J 1.00 (PFOS) Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 Perfluorooctanesulfonamide (FOSA) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND R 1.00 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic 170 *+ 2.00 acid (ADONA) MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 0.260 0.200 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.150 ng/Sample 0.200 0.230 0.210 ng/Sample ng/Sample ng/Sample 0.160 ng/Sample 0.120 ng/Sample 0.190 ng/Sample 0.0640 ng/Sample 8.70 ng/Sample 0.160 ng/Sample 11.0 ng/Sample 0.180 ng/Sample 0.180 ng/Sample 1.10 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i3r 3 4 Prepared Analyzed 5 Dil Fac 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 16 1 04/24/23 09:01 05/03/23 17:04 04/24/23 09:01 05/03/23 17:04 17 1 Lab Sample ID: 140-31434-14 8 Matrix: Air 9 10 D Prepared Analyzed 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 12 13 14 15 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 Eurofins Knoxville Page 37 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1063,1064,1066 QC OTM-45 BH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 1H,1H,2H,2H-Perfluorododecane ND R 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND R 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 R 1.00 0.640 ng/Sample (PFODA) 2- ND R 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND R 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND R 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND R 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND R 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic 1.91 acid (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.120 ng/Sample 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA %Recovery 37 109 135 139 122 93 53 22 8 3 0.03 130 75 13 16 Qualifier *5*5*5*5- *5*5- Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i4r 3 4 D Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/09/23 15:48 16 04/24/23 08:34 05/09/23 15:48 17 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 18 19 04/24/23 08:34 05/09/23 15:48 1 10 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 05/09/23 15:48 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 1 11 1 12 1 1 13 1 14 1 1 15 1 1 1 1 1 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 04/24/23 08:34 05/09/23 15:48 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 38 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1063,1064,1066 QC OTM-45 BH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits d5-NEtFOSAA 10 *5- 25 - 150 M2-4:2 FTS 175 *5+ 25 - 150 M2-6:2 FTS 91 25 - 150 M2-8:2 FTS 23 *5- 25 - 150 13C3 HFPO-DA 124 25 - 150 13C2 PFHxDA 0.03 *5- 25 - 150 d-N-MeFOSA-M 1 *5- 25 - 150 d7-N-MeFOSE-M 0 *5- 25 - 150 d9-N-EtFOSE-M 0 *5- 25 - 150 d-N-EtFOSA-M 0.4 *5- 25 - 150 13C2 10:2 FTS 3 *5- 25 - 150 13C-10:2 FTCA 4 *5- 25 - 150 13C-6:2 FTCA 58 25 - 150 13C-6:2 FTUCA 217 *5+ 25 - 150 13C-8:2 FTCA 31 25 - 150 13C-8:2 FTUCA 99 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 77 80 Qualifier Limits 50 - 150 50 - 150 Client Sample ID: W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 0.500 Perfluoropentanoic acid (PFPeA) ND 0.500 Perfluorohexanoic acid (PFHxA) ND 0.500 Perfluoroheptanoic acid (PFHpA) ND 0.500 Perfluorooctanoic acid (PFOA) ND 0.500 Perfluorononanoic acid (PFNA) ND 0.500 Perfluorodecanoic acid (PFDA) ND 0.500 Perfluoroundecanoic acid (PFUnA) ND 0.500 Perfluorododecanoic acid (PFDoA) ND 0.500 Perfluorotridecanoic acid (PFTriA) ND 0.500 Perfluorotetradecanoic acid (PFTeA) ND 0.500 Perfluorobutanesulfonic acid (PFBS) ND 0.500 Perfluorohexanesulfonic acid (PFHxS) ND 0.500 Perfluoroheptanesulfonic acid ND 0.500 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 0.500 Perfluorodecanesulfonic acid (PFDS) ND 0.500 Perfluorooctanesulfonamide (FOSA) ND 0.500 Perfluoropentanesulfonic acid ND 0.500 (PFPeS) MDL 0.200 0.0650 0.190 0.153 0.0950 0.0525 0.0650 0.0750 0.0525 0.0800 0.113 0.0450 0.0575 0.115 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.0650 0.0825 0.200 0.0600 ng/Sample ng/Sample ng/Sample ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i4r 3 4 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 05/09/23 15:48 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 6 7 8 9 10 11 12 13 Prepared Analyzed 04/24/23 08:34 05/09/23 15:48 Dil Fac 1 14 15 04/24/23 08:34 05/09/23 15:48 1 Lab Sample ID: 140-31434-15 Matrix: Air D Prepared Analyzed 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 Eurofins Knoxville Page 39 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluorononanesulfonic acid (PFNS) ND 0.500 0.0375 ng/Sample N-methylperfluorooctanesulfonamidoa ND 0.500 0.103 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 0.500 0.0750 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 0.500 0.0575 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 0.500 0.138 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 0.500 0.130 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 0.500 0.235 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 0.500 0.0650 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 0.500 0.0700 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND 0.500 0.140 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 0.500 0.108 ng/Sample sulfonic acid (10:2 FTS) 2- ND 0.500 0.185 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND 0.500 0.128 ng/Sample (PFODA) 2- ND 0.500 0.103 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 0.500 0.0850 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 0.500 0.135 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 0.500 0.143 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND 0.500 0.0800 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 0.500 0.145 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 0.500 0.375 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 0.500 0.0900 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 0.500 0.325 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 0.500 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 3-Perfluoropropylpropanoic acid ND 0.500 0.220 ng/Sample Perfluoro-3-methoxypropanoic acid ND 0.500 0.145 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 0.500 0.198 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND 0.500 0.160 ng/Sample acid 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-15 3 Matrix: Air 4 5 D Prepared Analyzed 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 Dil Fac 1 1 1 1 1 1 1 6 7 8 9 10 11 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 04/27/23 11:24 05/03/23 15:16 1 12 1 13 1 14 1 1 15 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 04/27/23 11:24 05/03/23 15:16 1 Eurofins Knoxville Page 40 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro (2-ethoxyethane) sulfonic ND 0.500 0.128 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 89 82 84 84 91 92 95 85 91 85 64 83 86 88 94 104 89 100 90 79 61 88 57 60 85 100 91 80 107 82 114 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND CI 10.0 MDL Unit 9.40 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-15 Matrix: Air D Prepared Analyzed 04/27/23 11:24 05/03/23 15:16 Dil Fac 1 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 05/03/23 15:16 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:16 05/03/23 15:16 Dil Fac 1 1 Lab Sample ID: 140-31434-16 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:14 Dil Fac 1 Eurofins Knoxville Page 41 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoropentanoic acid (PFPeA) ND 1.00 0.450 ng/Sample Perfluorohexanoic acid (PFHxA) ND 1.00 0.520 ng/Sample Perfluoroheptanoic acid (PFHpA) ND 3.00 2.60 ng/Sample Perfluorooctanoic acid (PFOA) ND 1.00 0.660 ng/Sample Perfluorononanoic acid (PFNA) ND 1.00 0.890 ng/Sample Perfluorodecanoic acid (PFDA) ND 1.00 0.210 ng/Sample Perfluoroundecanoic acid (PFUnA) ND 1.00 0.270 ng/Sample Perfluorododecanoic acid (PFDoA) ND 1.00 0.120 ng/Sample Perfluorotridecanoic acid (PFTriA) ND *- 1.00 0.170 ng/Sample Perfluorotetradecanoic acid (PFTeA) ND 1.00 0.230 ng/Sample Perfluorobutanesulfonic acid (PFBS) ND 1.00 0.520 ng/Sample Perfluorohexanesulfonic acid (PFHxS) ND 1.00 0.260 ng/Sample Perfluoroheptanesulfonic acid ND 1.00 0.200 ng/Sample (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 0.150 ng/Sample Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 0.200 ng/Sample Perfluorooctanesulfonamide (FOSA) ND 1.00 0.230 ng/Sample Perfluoropentanesulfonic acid ND 1.00 0.210 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 0.160 ng/Sample N-methylperfluorooctanesulfonamidoa ND 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 0.190 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0640 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 8.70 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 1.10 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 1.00 0.640 ng/Sample (PFODA) 2- ND 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 1.00 0.660 ng/Sample (NEtFOSA) Job ID: 140-31434-1 Lab Sample ID: 140-31434-16 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 1 Eurofins Knoxville Page 42 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro-n-hexadecanoic acid ND 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic acid ND 1.00 0.120 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS %Recovery 136 97 132 133 122 125 132 143 139 110 66 127 110 123 145 146 175 160 189 115 24 98 37 26 77 125 Qualifier *5+ *5+ *5+ *5- Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-16 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/24/23 08:34 05/09/23 16:14 1 04/24/23 08:34 05/09/23 16:14 17 04/24/23 08:34 05/09/23 16:14 18 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 04/24/23 08:34 05/09/23 16:14 19 1 1 10 1 1 11 1 11 12 1 13 1 14 1 1 15 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 43 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C-10:2 FTCA 83 25 - 150 13C-6:2 FTCA 83 25 - 150 13C-6:2 FTUCA 245 *5+ 25 - 150 13C-8:2 FTCA 64 25 - 150 13C-8:2 FTUCA 244 *5+ 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 77 82 Qualifier Limits 50 - 150 50 - 150 Client Sample ID: W-1068,1069 QC OTM-45 FH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 2.00 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 1.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluoro-n-hexadecanoic acid ND 1.00 (PFHxDA) Perfluoro-n-octadecanoic acid ND 1.00 (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorononanesulfonic acid (PFNS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND 1.00 Perfluorododecanesulfonic acid ND 1.00 (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 1.00 acid Perfluorooctanesulfonamide (FOSA) ND 1.00 N-ethylperfluorooctane sulfonamide ND 1.00 (NEtFOSA) N-methylperfluorooctane sulfonamide ND 1.00 (NMeFOSA) MDL 1.30 0.180 0.210 0.620 0.650 0.0850 0.250 0.170 0.100 0.140 0.170 0.290 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.890 ng/Sample 0.120 ng/Sample 0.110 ng/Sample 0.110 ng/Sample 0.450 0.120 0.110 0.0950 ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.0880 ng/Sample 0.160 ng/Sample 0.150 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-16 3 Matrix: Air 4 5 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 05/09/23 16:14 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:14 05/09/23 16:14 Dil Fac 1 1 1 1 1 Dil Fac 1 1 6 7 8 9 10 Lab Sample ID: 140-31434-17 11 Matrix: Air 12 D Prepared Analyzed 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 13 14 15 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 Eurofins Knoxville Page 44 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1068,1069 QC OTM-45 FH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 2- ND 5.00 4.90 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol 2- ND 1.00 0.120 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 1.00 0.140 ng/Sample etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0910 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 5.00 4.00 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.140 ng/Sample sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 1.00 0.320 ng/Sample sulfonic acid (10:2 FTS) 3-Perfluoropropylpropanoic acid ND 1.00 0.290 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.480 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 0.430 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 1.00 0.420 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.140 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.220 ng/Sample 4,8-Dioxa-3H-perfluorononanoic acid ND 1.00 0.140 ng/Sample (ADONA) Hexafluoropropylene Oxide Dimer ND 5.00 4.70 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 1.00 0.0980 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 1.00 0.200 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid ND 1.00 0.150 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.200 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.150 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.140 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA %Recovery 96 94 95 94 91 94 90 101 97 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i7r 3 4 D Prepared Analyzed 5 Dil Fac 04/24/23 09:01 05/03/23 17:13 16 04/24/23 09:01 05/03/23 17:13 17 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 8 1 19 1 10 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 05/03/23 17:13 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 1 11 1 12 1 1 13 11 14 1 1 15 1 1 1 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 04/24/23 09:01 05/03/23 17:13 1 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 Dil Fac 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 45 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1068,1069 QC OTM-45 FH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C4 PFHpA 101 25 - 150 13C4 PFOA 104 25 - 150 13C4 PFOS 98 25 - 150 13C5 PFNA 103 25 - 150 13C5 PFPeA 96 25 - 150 13C8 FOSA 103 25 - 150 18O2 PFHxS 100 25 - 150 d3-NMeFOSAA 105 25 - 150 d5-NEtFOSAA 119 25 - 150 d7-N-MeFOSE-M 94 25 - 150 d9-N-EtFOSE-M 99 25 - 150 d-N-EtFOSA-M 100 25 - 150 d-N-MeFOSA-M 99 25 - 150 M2-4:2 FTS 115 25 - 150 M2-6:2 FTS 165 *5+ 25 - 150 M2-8:2 FTS 116 25 - 150 13C-10:2 FTCA 74 25 - 150 13C-6:2 FTCA 74 25 - 150 13C-6:2 FTUCA 139 25 - 150 13C-8:2 FTCA 81 25 - 150 13C-8:2 FTUCA 143 25 - 150 13C2 10:2 FTS 150 25 - 150 Client Sample ID: W-1070,1071,1073 QC OTM-45 BH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 10.0 Perfluoropentanoic acid (PFPeA) 0.718 J 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) 1.40 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 Perfluorotetradecanoic acid (PFTeA) ND R 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 Perfluorooctanesulfonamide (FOSA) ND 1.00 MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 0.260 0.200 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.150 0.200 0.230 ng/Sample ng/Sample ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i7r 3 4 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 05/03/23 17:13 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 6 7 8 9 10 11 12 13 14 15 Lab Sample ID: 140-31434-18 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 Page 46 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1070,1071,1073 QC OTM-45 BH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoropentanesulfonic acid ND 1.00 0.210 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 0.160 ng/Sample N-methylperfluorooctanesulfonamidoa ND R 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND R 1.00 0.190 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0640 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 8.70 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 1.10 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND R 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND R 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 R 1.00 0.640 ng/Sample (PFODA) 2- ND R 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND R 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND R 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND R 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 1.29 I R ND 1.00 0.520 ng/Sample 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic acid ND 1.00 0.120 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.130 ng/Sample (PFMBA) 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i8r 3 4 D Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/09/23 16:23 16 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 1 1 7 04/24/23 08:34 05/09/23 16:23 18 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 19 1 10 1 1 11 1 12 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 04/24/23 08:34 05/09/23 16:23 1 13 1 14 1 15 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 04/24/23 08:34 05/09/23 16:23 1 Eurofins Knoxville Page 47 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1070,1071,1073 QC OTM-45 BH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 17 104 122 125 90 53 25 13 11 10 1 114 55 14 9 8 125 49 12 106 0.03 1 0 0 0.7 9 5 42 153 10 38 Qualifier *5- *5*5*5*5- *5*5*5- *5- *5*5*5*5*5*5*5- *5+ *5- Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 70 90 Qualifier Limits 50 - 150 50 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-18 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:23 Dil Fac 1 04/24/23 08:34 05/09/23 16:23 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 05/09/23 16:23 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:23 05/09/23 16:23 Dil Fac 1 1 Page 48 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND CI 0.500 Perfluoropentanoic acid (PFPeA) ND 0.500 Perfluorohexanoic acid (PFHxA) ND 0.500 Perfluoroheptanoic acid (PFHpA) ND 0.500 Perfluorooctanoic acid (PFOA) ND 0.500 Perfluorononanoic acid (PFNA) ND 0.500 Perfluorodecanoic acid (PFDA) ND 0.500 Perfluoroundecanoic acid (PFUnA) ND 0.500 Perfluorododecanoic acid (PFDoA) ND 0.500 Perfluorotridecanoic acid (PFTriA) ND 0.500 Perfluorotetradecanoic acid (PFTeA) ND 0.500 Perfluorobutanesulfonic acid (PFBS) ND 0.500 Perfluorohexanesulfonic acid (PFHxS) ND 0.500 Perfluoroheptanesulfonic acid ND 0.500 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 0.500 Perfluorodecanesulfonic acid (PFDS) ND 0.500 Perfluorooctanesulfonamide (FOSA) ND 0.500 Perfluoropentanesulfonic acid ND 0.500 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND 0.500 N-methylperfluorooctanesulfonamidoa ND 0.500 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 0.500 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 0.500 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 0.500 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 0.500 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 0.500 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 0.500 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 0.500 e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND 0.500 (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 0.500 sulfonic acid (10:2 FTS) 2- ND 0.500 (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND 0.500 (PFODA) 2- ND 0.500 (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 0.500 (NMeFOSA) MDL 0.200 0.0650 0.190 0.153 0.0950 0.0525 0.0650 0.0750 0.0525 0.0800 0.113 0.0450 0.0575 0.115 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.0650 0.0825 0.200 0.0600 ng/Sample ng/Sample ng/Sample ng/Sample 0.0375 ng/Sample 0.103 ng/Sample 0.0750 ng/Sample 0.0575 ng/Sample 0.138 ng/Sample 0.130 ng/Sample 0.235 ng/Sample 0.0650 ng/Sample 0.0700 ng/Sample 0.140 ng/Sample 0.108 ng/Sample 0.185 ng/Sample 0.128 ng/Sample 0.103 ng/Sample 0.0850 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-19 Matrix: Air D Prepared Analyzed 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 1 Eurofins Knoxville Page 49 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit N-ethylperfluorooctane sulfonamide ND 0.500 0.135 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 0.500 0.143 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND 0.500 0.0800 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 0.500 0.145 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 0.500 0.375 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 0.500 0.0900 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 0.500 0.325 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 0.500 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 3-Perfluoropropylpropanoic acid ND 0.500 0.220 ng/Sample Perfluoro-3-methoxypropanoic acid ND 0.500 0.145 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 0.500 0.198 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND 0.500 0.160 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 0.500 0.128 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M %Recovery 71 84 84 86 89 90 89 84 89 75 56 83 86 87 88 101 94 93 100 84 69 64 59 56 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-19 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/27/23 11:24 05/03/23 15:25 1 04/27/23 11:24 05/03/23 15:25 17 04/27/23 11:24 05/03/23 15:25 18 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 04/27/23 11:24 05/03/23 15:25 19 11 10 1 1 11 1 1 12 1 1 13 1 14 1 1 15 04/27/23 11:24 05/03/23 15:25 1 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 50 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits d-N-EtFOSA-M 64 25 - 150 13C2 10:2 FTS 98 25 - 150 13C-10:2 FTCA 81 25 - 150 13C-6:2 FTCA 80 25 - 150 13C-6:2 FTUCA 106 25 - 150 13C-8:2 FTCA 82 25 - 150 13C-8:2 FTUCA 108 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND CI 10.0 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) 0.671 J 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 Perfluorooctanesulfonamide (FOSA) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 acid (6:2 FTS) MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 0.260 0.200 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.150 0.200 0.230 0.210 ng/Sample ng/Sample ng/Sample ng/Sample 0.160 ng/Sample 0.120 ng/Sample 0.190 ng/Sample 0.0640 ng/Sample 8.70 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-19 3 Matrix: Air 4 5 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 05/03/23 15:25 Prepared 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:25 05/03/23 15:25 Dil Fac 1 1 1 1 1 1 1 Dil Fac 1 1 6 7 8 9 10 11 Lab Sample ID: 140-31434-20 12 Matrix: Air 13 14 D Prepared Analyzed 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 Eurofins Knoxville Page 51 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 1.10 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 1.00 0.640 ng/Sample (PFODA) 2- ND 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic acid ND 1.00 0.120 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA %Recovery 134 93 127 128 121 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-31434-20 3 Matrix: Air 4 5 D Prepared Analyzed Dil Fac 6 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 17 04/24/23 08:34 05/09/23 16:32 18 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 04/24/23 08:34 05/09/23 16:32 19 1 10 1 11 1 12 1 13 1 14 1 15 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 04/24/23 08:34 05/09/23 16:32 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 Dil Fac 1 1 1 1 1 Eurofins Knoxville Page 52 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C4 PFOA 124 25 - 150 13C5 PFNA 128 25 - 150 13C2 PFDA 133 25 - 150 13C2 PFUnA 127 25 - 150 13C2 PFDoA 113 25 - 150 13C2 PFTeDA 89 25 - 150 13C3 PFBS 120 25 - 150 18O2 PFHxS 107 25 - 150 13C4 PFOS 121 25 - 150 d3-NMeFOSAA 153 *5+ 25 - 150 d5-NEtFOSAA 152 *5+ 25 - 150 M2-4:2 FTS 188 *5+ 25 - 150 M2-6:2 FTS 149 25 - 150 M2-8:2 FTS 194 *5+ 25 - 150 13C3 HFPO-DA 115 25 - 150 13C2 PFHxDA 35 25 - 150 d-N-MeFOSA-M 105 25 - 150 d7-N-MeFOSE-M 56 25 - 150 d9-N-EtFOSE-M 42 25 - 150 d-N-EtFOSA-M 98 25 - 150 13C2 10:2 FTS 131 25 - 150 13C-10:2 FTCA 84 25 - 150 13C-6:2 FTCA 80 25 - 150 13C-6:2 FTUCA 229 *5+ 25 - 150 13C-8:2 FTCA 85 25 - 150 13C-8:2 FTUCA 233 *5+ 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 76 85 Qualifier Limits 50 - 150 50 - 150 Client Sample ID: W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND CI 10.0 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) 0.719 J 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-20 Matrix: Air Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 05/09/23 16:32 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:32 05/09/23 16:32 Dil Fac 1 1 Lab Sample ID: 140-31434-21 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 Dil Fac 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 53 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluorotetradecanoic acid (PFTeA) ND 1.00 0.230 ng/Sample Perfluorobutanesulfonic acid (PFBS) ND 1.00 0.520 ng/Sample Perfluorohexanesulfonic acid (PFHxS) ND 1.00 0.260 ng/Sample Perfluoroheptanesulfonic acid ND 1.00 0.200 ng/Sample (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 0.150 ng/Sample Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 0.200 ng/Sample Perfluorooctanesulfonamide (FOSA) ND 1.00 0.230 ng/Sample Perfluoropentanesulfonic acid ND 1.00 0.210 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 0.160 ng/Sample N-methylperfluorooctanesulfonamidoa ND 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 0.190 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0640 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 8.70 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 1.10 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 1.00 0.640 ng/Sample (PFODA) 2- ND 20.0 19.8 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i1r 3 4 D Prepared Analyzed 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 6 7 8 9 10 11 12 13 14 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 1 15 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 Eurofins Knoxville Page 54 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic acid ND 1.00 0.120 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 124 94 123 126 118 120 130 136 120 113 69 116 102 120 150 137 190 150 174 114 26 98 43 29 78 116 79 76 230 85 217 Qualifier *5+ *5+ *5+ *5+ Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 75 81 Qualifier Limits 50 - 150 50 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-21 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 04/24/23 08:34 05/09/23 16:50 Dil Fac 1 1 1 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 04/24/23 08:34 05/09/23 16:50 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 05/09/23 16:50 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:50 05/09/23 16:50 Dil Fac 1 1 Page 55 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1076 QC OTM-45 MEOH/5% NH4OH RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 10.0 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND *- 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 Perfluorooctanesulfonamide (FOSA) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND 1.00 etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 1.00 sulfonic acid (10:2 FTS) 2- ND 1.00 (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 1.00 (PFODA) 2- ND 20.0 (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 1.00 (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 1.00 (NEtFOSA) MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 0.270 0.120 0.170 0.230 0.520 0.260 0.200 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.150 0.200 0.230 0.210 ng/Sample ng/Sample ng/Sample ng/Sample 0.160 ng/Sample 0.120 ng/Sample 0.190 ng/Sample 0.0640 ng/Sample 8.70 ng/Sample 0.160 ng/Sample 11.0 ng/Sample 0.180 ng/Sample 0.180 ng/Sample 1.10 ng/Sample 0.170 ng/Sample 0.370 ng/Sample 0.640 ng/Sample 19.8 ng/Sample 0.770 ng/Sample 0.660 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-22 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 Eurofins Knoxville Page 56 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1076 QC OTM-45 MEOH/5% NH4OH RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoro-n-hexadecanoic acid ND 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic acid ND 1.00 0.120 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA %Recovery 87 84 89 87 88 95 96 96 86 102 105 87 86 85 101 109 91 122 101 82 88 80 86 81 77 98 89 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-22 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 16:58 Dil Fac 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 04/24/23 08:34 05/09/23 16:58 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 05/09/23 16:58 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 57 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1076 QC OTM-45 MEOH/5% NH4OH RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C-6:2 FTCA 66 25 - 150 13C-6:2 FTUCA 130 25 - 150 13C-8:2 FTCA 67 25 - 150 13C-8:2 FTUCA 122 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0.008 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: W-1077 QC OTM-45 FILTER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 2.00 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 1.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluoro-n-hexadecanoic acid ND 1.00 (PFHxDA) Perfluoro-n-octadecanoic acid ND 1.00 (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorononanesulfonic acid (PFNS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND 1.00 Perfluorododecanesulfonic acid ND 1.00 (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 1.00 acid Perfluorooctanesulfonamide (FOSA) ND 1.00 N-ethylperfluorooctane sulfonamide ND 1.00 (NEtFOSA) N-methylperfluorooctane sulfonamide ND 1.00 (NMeFOSA) 2- ND 5.00 (N-methylperfluoro-1-octanesulfonami do) ethanol MDL 1.30 0.180 0.210 0.620 0.650 0.0850 0.250 0.170 0.100 0.140 0.170 0.290 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.890 ng/Sample 0.120 ng/Sample 0.110 ng/Sample 0.110 ng/Sample 0.450 0.120 0.110 0.0950 ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.0880 ng/Sample 0.160 ng/Sample 0.150 ng/Sample 4.90 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i2r 3 4 Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 16 1 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 17 1 Prepared Analyzed Dil Fac 8 04/24/23 08:34 05/09/23 16:58 04/24/23 08:34 05/09/23 16:58 1 19 Lab Sample ID: 140-31434-23 10 Matrix: Air 11 D Prepared Analyzed 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 12 13 14 15 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 Eurofins Knoxville Page 58 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1077 QC OTM-45 FILTER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 2- ND 1.00 0.120 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 1.00 0.140 ng/Sample etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0910 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 5.00 4.00 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.140 ng/Sample sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 1.00 0.320 ng/Sample sulfonic acid (10:2 FTS) 3-Perfluoropropylpropanoic acid ND 1.00 0.290 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.480 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 0.430 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 1.00 0.420 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.140 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.220 ng/Sample 4,8-Dioxa-3H-perfluorononanoic acid ND 1.00 0.140 ng/Sample (ADONA) Hexafluoropropylene Oxide Dimer ND 5.00 4.70 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 1.00 0.0980 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 1.00 0.200 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid ND 1.00 0.150 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.200 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.150 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.140 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C4 PFHpA 13C4 PFOA 13C4 PFOS %Recovery 91 92 87 91 91 94 87 98 92 97 98 96 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i3r 3 4 D Prepared Analyzed 5 Dil Fac 04/24/23 09:01 05/03/23 17:22 16 04/24/23 09:01 05/03/23 17:22 17 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 05/03/23 17:22 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 18 19 1 10 1 1 11 1 12 1 1 13 1 1 14 1 1 15 1 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 04/24/23 09:01 05/03/23 17:22 1 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 59 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1077 QC OTM-45 FILTER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C5 PFNA 95 25 - 150 13C5 PFPeA 91 25 - 150 13C8 FOSA 97 25 - 150 18O2 PFHxS 100 25 - 150 d3-NMeFOSAA 108 25 - 150 d5-NEtFOSAA 120 25 - 150 d7-N-MeFOSE-M 88 25 - 150 d9-N-EtFOSE-M 87 25 - 150 d-N-EtFOSA-M 92 25 - 150 d-N-MeFOSA-M 93 25 - 150 M2-4:2 FTS 106 25 - 150 M2-6:2 FTS 147 25 - 150 M2-8:2 FTS 112 25 - 150 13C-10:2 FTCA 84 25 - 150 13C-6:2 FTCA 74 25 - 150 13C-6:2 FTUCA 132 25 - 150 13C-8:2 FTCA 66 25 - 150 13C-8:2 FTUCA 130 25 - 150 13C2 10:2 FTS 135 25 - 150 Client Sample ID: W-1078 QC OTM-45 DI WATER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 0.500 Perfluoropentanoic acid (PFPeA) ND 0.500 Perfluorohexanoic acid (PFHxA) ND 0.500 Perfluoroheptanoic acid (PFHpA) ND 0.500 Perfluorooctanoic acid (PFOA) ND 0.500 Perfluorononanoic acid (PFNA) ND 0.500 Perfluorodecanoic acid (PFDA) ND 0.500 Perfluoroundecanoic acid (PFUnA) ND 0.500 Perfluorododecanoic acid (PFDoA) ND 0.500 Perfluorotridecanoic acid (PFTriA) ND 0.500 Perfluorotetradecanoic acid (PFTeA) ND 0.500 Perfluorobutanesulfonic acid (PFBS) ND 0.500 Perfluorohexanesulfonic acid (PFHxS) ND 0.500 Perfluoroheptanesulfonic acid ND 0.500 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 0.500 Perfluorodecanesulfonic acid (PFDS) ND 0.500 Perfluorooctanesulfonamide (FOSA) ND 0.500 Perfluoropentanesulfonic acid ND 0.500 (PFPeS) Perfluorononanesulfonic acid (PFNS) ND 0.500 N-methylperfluorooctanesulfonamidoa ND 0.500 cetic acid (NMeFOSAA) MDL 0.200 0.0650 0.190 0.153 0.0950 0.0525 0.0650 0.0750 0.0525 0.0800 0.113 0.0450 0.0575 0.115 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.0650 0.0825 0.200 0.0600 ng/Sample ng/Sample ng/Sample ng/Sample 0.0375 ng/Sample 0.103 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i3r 3 4 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 05/03/23 17:22 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Lab Sample ID: 140-31434-24 Matrix: Air 5 6 7 8 9 10 11 12 13 14 15 D Prepared Analyzed 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 Eurofins Knoxville Page 60 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1078 QC OTM-45 DI WATER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit N-ethylperfluorooctanesulfonamidoac ND 0.500 0.0750 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 0.500 0.0575 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 0.500 0.138 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 0.500 0.130 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 0.500 0.235 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 0.500 0.0650 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 0.500 0.0700 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND 0.500 0.140 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND 0.500 0.108 ng/Sample sulfonic acid (10:2 FTS) 2- ND 0.500 0.185 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND 0.500 0.128 ng/Sample (PFODA) 2- ND 0.500 0.103 ng/Sample (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND 0.500 0.0850 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND 0.500 0.135 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND 0.500 0.143 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND 0.500 0.0800 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 0.500 0.145 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 7:3 Fluorotelomer carboxylic acid ND 0.500 0.375 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 0.500 0.0900 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 0.500 0.325 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 0.500 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 0.500 0.300 ng/Sample 3-Perfluoropropylpropanoic acid ND 0.500 0.220 ng/Sample Perfluoro-3-methoxypropanoic acid ND 0.500 0.145 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 0.500 0.198 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND 0.500 0.160 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 0.500 0.128 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA %Recovery Qualifier 72 Limits 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i4r 3 4 D Prepared Analyzed 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 Dil Fac 1 1 1 1 1 1 5 6 7 8 9 10 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 04/27/23 11:24 05/03/23 15:34 1 11 1 12 1 1 13 14 1 15 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 04/27/23 11:24 05/03/23 15:34 1 Prepared Analyzed 04/27/23 11:24 05/03/23 15:34 Dil Fac 1 Eurofins Knoxville Page 61 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: W-1078 QC OTM-45 DI WATER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C4 PFBA 85 25 - 150 13C5 PFPeA 87 25 - 150 13C2 PFHxA 81 25 - 150 13C4 PFHpA 90 25 - 150 13C4 PFOA 94 25 - 150 13C5 PFNA 87 25 - 150 13C2 PFDA 85 25 - 150 13C2 PFUnA 88 25 - 150 13C2 PFDoA 84 25 - 150 13C2 PFTeDA 64 25 - 150 13C3 PFBS 86 25 - 150 18O2 PFHxS 87 25 - 150 13C4 PFOS 89 25 - 150 d3-NMeFOSAA 96 25 - 150 d5-NEtFOSAA 94 25 - 150 M2-4:2 FTS 96 25 - 150 M2-6:2 FTS 100 25 - 150 M2-8:2 FTS 105 25 - 150 13C3 HFPO-DA 86 25 - 150 13C2 PFHxDA 74 25 - 150 d-N-MeFOSA-M 61 25 - 150 d7-N-MeFOSE-M 58 25 - 150 d9-N-EtFOSE-M 57 25 - 150 d-N-EtFOSA-M 58 25 - 150 13C2 10:2 FTS 85 25 - 150 13C-10:2 FTCA 92 25 - 150 13C-6:2 FTCA 77 25 - 150 13C-6:2 FTUCA 113 25 - 150 13C-8:2 FTCA 88 25 - 150 13C-8:2 FTUCA 110 25 - 150 Surrogate 13C8 PFOA 13C8 PFOS %Recovery 0 0 Qualifier S1S1- Limits 50 - 150 50 - 150 Client Sample ID: A-1550 OTM-45 MEDIA CHECK XAD Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 10.0 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 3.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 MDL 9.40 0.450 0.520 2.60 0.660 0.890 0.210 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-24 Matrix: Air Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 05/03/23 15:34 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Prepared 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 15:34 05/03/23 15:34 Dil Fac 1 1 Lab Sample ID: 140-31434-25 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 Dil Fac 1 1 1 1 1 1 1 Eurofins Knoxville Page 62 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: A-1550 OTM-45 MEDIA CHECK XAD Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit Perfluoroundecanoic acid (PFUnA) ND 1.00 0.270 ng/Sample Perfluorododecanoic acid (PFDoA) ND R 1.00 0.120 ng/Sample Perfluorotridecanoic acid (PFTriA) ND *- R 1.00 0.170 ng/Sample Perfluorotetradecanoic acid (PFTeA) ND R 1.00 0.230 ng/Sample Perfluorobutanesulfonic acid (PFBS) ND 1.00 0.520 ng/Sample Perfluorohexanesulfonic acid (PFHxS) ND 1.00 0.260 ng/Sample Perfluoroheptanesulfonic acid ND 1.00 0.200 ng/Sample (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 0.150 ng/Sample Perfluorodecanesulfonic acid (PFDS) ND *- 1.00 0.200 ng/Sample Perfluorooctanesulfonamide (FOSA) ND R 1.00 0.230 ng/Sample Perfluoropentanesulfonic acid ND 1.00 0.210 ng/Sample (PFPeS) Perfluorononanesulfonic acid (PFNS) ND *- 1.00 0.160 ng/Sample N-methylperfluorooctanesulfonamidoa ND R 1.00 0.120 ng/Sample cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND R 1.00 0.190 ng/Sample etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 0.0640 ng/Sample sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 10.0 8.70 ng/Sample acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 0.160 ng/Sample sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND 20.0 11.0 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND *- 1.00 0.180 ng/Sample e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND *+ 2.00 1.10 ng/Sample (ADONA) 1H,1H,2H,2H-Perfluorododecane ND R 1.00 0.170 ng/Sample sulfonic acid (10:2 FTS) 2- ND R 1.00 0.370 ng/Sample (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND *- *1 R 1.00 0.640 ng/Sample (PFODA) 2(N-methylperfluoro-1-octanesulfo namido) ethanol N-methylperfluorooctane sulfonamide 31.9 R ND R 20.0 19.8 ng/Sample 1.00 0.770 ng/Sample (NMeFOSA) N-ethylperfluorooctane sulfonamide ND R 1.00 0.660 ng/Sample (NEtFOSA) Perfluoro-n-hexadecanoic acid ND R 1.00 0.290 ng/Sample (PFHxDA) Perfluorododecanesulfonic acid ND *- *1 1.00 0.180 ng/Sample (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.160 ng/Sample (NFDHA) 10:2 Fluorotelomer carboxylic acid ND R 1.00 0.520 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 1.00 ng/Sample 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i5r 3 4 D Prepared Analyzed 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 6 7 8 9 10 11 12 13 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 1 14 1 15 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 Eurofins Knoxville Page 63 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: A-1550 OTM-45 MEDIA CHECK XAD Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 7:3 Fluorotelomer carboxylic acid ND 1.00 0.560 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 8:2 Fluorotelomer carboxylic acid ND *1 1.00 0.380 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.200 ng/Sample 5:3 Fluorotelomer carboxylic acid ND 1.00 0.700 ng/Sample 3-Perfluoropropylpropanoic acid ND 1.00 0.310 ng/Sample Perfluoro-3-methoxypropanoic acid ND 1.00 0.120 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.130 ng/Sample (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND *- 1.00 0.140 ng/Sample acid Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.100 ng/Sample acid (PFEESA) Isotope Dilution 13C8 FOSA 13C4 PFBA 13C5 PFPeA 13C2 PFHxA 13C4 PFHpA 13C4 PFOA 13C5 PFNA 13C2 PFDA 13C2 PFUnA 13C2 PFDoA 13C2 PFTeDA 13C3 PFBS 18O2 PFHxS 13C4 PFOS d3-NMeFOSAA d5-NEtFOSAA M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C3 HFPO-DA 13C2 PFHxDA d-N-MeFOSA-M d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M 13C2 10:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA %Recovery 5 101 114 106 82 54 29 17 11 8 4 109 64 20 10 7 114 60 18 91 0.3 1 2 2 1 8 5 43 121 11 41 Qualifier *5- *5*5*5*5- *5*5*5- *5*5*5*5*5*5*5*5- *5- Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-25 Matrix: Air D Prepared Analyzed 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 04/24/23 08:34 05/09/23 17:07 Dil Fac 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 04/24/23 08:34 05/09/23 17:07 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 05/09/23 17:07 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 64 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: A-1551 OTM-45 MEDIA CHECK FILTER Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluorobutanoic acid (PFBA) ND 2.00 Perfluoropentanoic acid (PFPeA) ND 1.00 Perfluorohexanoic acid (PFHxA) ND 1.00 Perfluoroheptanoic acid (PFHpA) ND 1.00 Perfluorooctanoic acid (PFOA) ND 1.00 Perfluorononanoic acid (PFNA) ND 1.00 Perfluorodecanoic acid (PFDA) ND 1.00 Perfluoroundecanoic acid (PFUnA) ND 1.00 Perfluorododecanoic acid (PFDoA) ND 1.00 Perfluorotridecanoic acid (PFTriA) ND 1.00 Perfluorotetradecanoic acid (PFTeA) ND 1.00 Perfluoro-n-hexadecanoic acid ND 1.00 (PFHxDA) Perfluoro-n-octadecanoic acid ND 1.00 (PFODA) Perfluorobutanesulfonic acid (PFBS) ND 1.00 Perfluoropentanesulfonic acid ND 1.00 (PFPeS) Perfluorohexanesulfonic acid (PFHxS) ND 1.00 Perfluoroheptanesulfonic acid ND 1.00 (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND 1.00 Perfluorononanesulfonic acid (PFNS) ND 1.00 Perfluorodecanesulfonic acid (PFDS) ND 1.00 Perfluorododecanesulfonic acid ND 1.00 (PFDoS) Perfluoro-4-ethylcyclohexanesulfonic ND 1.00 acid Perfluorooctanesulfonamide (FOSA) ND 1.00 N-ethylperfluorooctane sulfonamide ND 1.00 (NEtFOSA) N-methylperfluorooctane sulfonamide ND 1.00 (NMeFOSA) 2- ND 5.00 (N-methylperfluoro-1-octanesulfonami do) ethanol 2- ND 1.00 (N-ethylperfluoro-1-octanesulfonamid o) ethanol N-ethylperfluorooctanesulfonamidoac ND 1.00 etic acid (NEtFOSAA) N-methylperfluorooctanesulfonamidoa ND 1.00 cetic acid (NMeFOSAA) 1H,1H,2H,2H-Perfluorohexane ND 1.00 sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND 5.00 acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND 1.00 sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane ND 1.00 sulfonic acid (10:2 FTS) 3-Perfluoropropylpropanoic acid ND 1.00 5:3 Fluorotelomer carboxylic acid ND 1.00 MDL 1.30 0.180 0.210 0.620 0.650 0.0850 0.250 0.170 0.100 0.140 0.170 0.290 Unit ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.890 ng/Sample 0.120 ng/Sample 0.110 ng/Sample 0.110 ng/Sample 0.450 0.120 0.110 0.0950 ng/Sample ng/Sample ng/Sample ng/Sample 0.220 ng/Sample 0.0880 ng/Sample 0.160 ng/Sample 0.150 ng/Sample 4.90 ng/Sample 0.120 ng/Sample 0.140 ng/Sample 0.120 ng/Sample 0.0910 ng/Sample 4.00 ng/Sample 0.140 ng/Sample 0.320 ng/Sample 0.290 ng/Sample 0.480 ng/Sample Job ID: 140-31434-1 Lab Sample ID: 140-31434-26 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 Eurofins Knoxville Page 65 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: A-1551 OTM-45 MEDIA CHECK FILTER Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL Unit 7:3 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 6:2 Fluorotelomer carboxylic acid ND 1.00 0.430 ng/Sample 8:2 Fluorotelomer carboxylic acid ND 1.00 0.350 ng/Sample 10:2 Fluorotelomer carboxylic acid ND 1.00 0.420 ng/Sample 6:2 Fluorotelemer unsaturated acid ND 1.00 0.140 ng/Sample 8:2 Fluorotelemer unsaturated acid ND 1.00 0.220 ng/Sample 4,8-Dioxa-3H-perfluorononanoic acid ND 1.00 0.140 ng/Sample (ADONA) Hexafluoropropylene Oxide Dimer ND 5.00 4.70 ng/Sample Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND 1.00 0.0980 ng/Sample e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND 1.00 0.200 ng/Sample e-1-sulfonic acid Perfluoro-3-methoxypropanoic acid ND 1.00 0.150 ng/Sample (PFMPA) Perfluoro-4-methoxybutanoic acid ND 1.00 0.200 ng/Sample (PFMBA) Nonafluoro-3,6-dioxaheptanoic acid ND 1.00 0.150 ng/Sample (NFDHA) Perfluoro (2-ethoxyethane) sulfonic ND 1.00 0.140 ng/Sample acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFHxDA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M d-N-MeFOSA-M M2-4:2 FTS M2-6:2 FTS M2-8:2 FTS 13C-10:2 FTCA 13C-6:2 FTCA %Recovery 91 82 89 85 84 88 85 94 92 96 97 92 92 91 93 96 101 115 89 82 93 88 109 148 106 80 72 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Lab Sample ID: 140-31434-26 Matrix: Air D Prepared Analyzed 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 Dil Fac 1 1 1 1 1 1 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 04/24/23 09:01 05/03/23 17:31 1 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 05/03/23 17:31 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 66 of 125 7/11/2023 (Rev. 1) Client Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: A-1551 OTM-45 MEDIA CHECK FILTER Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Sample Container: Air Train Method: EPA 537 (modified) - Fluorinated Alkyl Substances (Continued) Isotope Dilution %Recovery Qualifier Limits 13C-6:2 FTUCA 132 25 - 150 13C-8:2 FTCA 78 25 - 150 13C-8:2 FTUCA 129 25 - 150 13C2 10:2 FTS 128 25 - 150 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i6r 3 4 Prepared Analyzed 5 Dil Fac 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 16 1 04/24/23 09:01 05/03/23 17:31 04/24/23 09:01 05/03/23 17:31 17 1 8 9 10 11 12 13 14 15 Page 67 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Default Detection Limits Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances Prep: None Analyte 10:2 Fluorotelomer carboxylic acid 10:2 Fluorotelomer carboxylic acid 10:2 Fluorotelomer carboxylic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol 2-(N-ethylperfluoro-1-octanesulfonamido) ethanol 2-(N-methylperfluoro-1-octanesulfonamido) ethanol 2-(N-methylperfluoro-1-octanesulfonamido) ethanol 2-(N-methylperfluoro-1-octanesulfonamido) ethanol 3-Perfluoropropylpropanoic acid 3-Perfluoropropylpropanoic acid 3-Perfluoropropylpropanoic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 5:3 Fluorotelomer carboxylic acid 5:3 Fluorotelomer carboxylic acid 5:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 6:2 Fluorotelemer unsaturated acid 6:2 Fluorotelemer unsaturated acid 6:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 8:2 Fluorotelemer unsaturated acid 8:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelomer carboxylic acid 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) RL MDL Units 1.00 0.420 ng/Sample 1.00 0.520 ng/Sample 2.00 1.20 ng/Sample 1.00 0.200 ng/Sample 1.00 0.180 ng/Sample 2.00 0.280 ng/Sample 1.00 0.140 ng/Sample 1.00 0.160 ng/Sample 2.00 0.520 ng/Sample 1.00 0.320 ng/Sample 1.00 0.170 ng/Sample 2.00 0.430 ng/Sample 1.00 0.0910 ng/Sample 1.00 0.0640 ng/Sample 2.00 0.230 ng/Sample 5.00 4.00 ng/Sample 10.0 8.70 ng/Sample 2.00 0.550 ng/Sample 1.00 0.120 ng/Sample 1.00 0.370 ng/Sample 2.00 0.740 ng/Sample 5.00 4.90 ng/Sample 20.0 19.8 ng/Sample 2.00 0.410 ng/Sample 1.00 0.290 ng/Sample 1.00 0.310 ng/Sample 2.00 0.880 ng/Sample 1.00 0.140 ng/Sample 2.00 1.10 ng/Sample 2.00 0.560 ng/Sample 1.00 0.480 ng/Sample 1.00 0.700 ng/Sample 2.00 1.20 ng/Sample 1.00 0.140 ng/Sample 1.00 0.200 ng/Sample 2.00 0.360 ng/Sample 1.00 0.430 ng/Sample 1.00 1.00 ng/Sample 2.00 1.20 ng/Sample 1.00 0.350 ng/Sample 1.00 0.560 ng/Sample 2.00 1.50 ng/Sample 1.00 0.220 ng/Sample 1.00 0.200 ng/Sample 2.00 0.800 ng/Sample 1.00 0.350 ng/Sample 1.00 0.380 ng/Sample 2.00 1.30 ng/Sample 1.00 0.0980 ng/Sample 1.00 0.180 ng/Sample 2.00 0.260 ng/Sample 5.00 4.70 ng/Sample Page 68 of 125 1 Job ID: 140-31434-1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville 7/11/2023 (Rev. 1) Default Detection Limits Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Prep: None Analyte Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) N-ethylperfluorooctane sulfonamide (NEtFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) N-ethylperfluorooctanesulfonamidoacetic acid (NEtFOSAA) N-methylperfluorooctane sulfonamide (NMeFOSA) N-methylperfluorooctane sulfonamide (NMeFOSA) N-methylperfluorooctane sulfonamide (NMeFOSA) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) N-methylperfluorooctanesulfonamidoacetic acid (NMeFOSAA) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro-4-ethylcyclohexanesulfonic acid Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorobutanoic acid (PFBA) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorodecanoic acid (PFDA) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDoA) Perfluorododecanoic acid (PFDoA) Perfluorododecanoic acid (PFDoA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanesulfonic acid (PFHpS) RL MDL Units 20.0 11.0 ng/Sample 2.00 0.940 ng/Sample 1.00 0.160 ng/Sample 1.00 0.660 ng/Sample 2.00 0.540 ng/Sample 1.00 0.140 ng/Sample 1.00 0.190 ng/Sample 2.00 0.300 ng/Sample 1.00 0.150 ng/Sample 1.00 0.770 ng/Sample 2.00 0.340 ng/Sample 1.00 0.120 ng/Sample 2.00 0.410 ng/Sample 1.00 0.150 ng/Sample 1.00 0.160 ng/Sample 2.00 0.580 ng/Sample 1.00 0.140 ng/Sample 1.00 0.100 ng/Sample 2.00 0.510 ng/Sample 1.00 0.150 ng/Sample 1.00 0.120 ng/Sample 2.00 0.580 ng/Sample 1.00 0.220 ng/Sample 1.00 0.140 ng/Sample 2.00 0.640 ng/Sample 1.00 0.200 ng/Sample 1.00 0.130 ng/Sample 2.00 0.790 ng/Sample 1.00 0.890 ng/Sample 1.00 0.520 ng/Sample 2.00 0.180 ng/Sample 2.00 1.30 ng/Sample 10.0 9.40 ng/Sample 2.00 0.800 ng/Sample 1.00 0.110 ng/Sample 1.00 0.200 ng/Sample 2.00 0.330 ng/Sample 1.00 0.250 ng/Sample 1.00 0.210 ng/Sample 2.00 0.260 ng/Sample 1.00 0.0950 ng/Sample 1.00 0.180 ng/Sample 2.00 0.320 ng/Sample 1.00 0.100 ng/Sample 1.00 0.120 ng/Sample 2.00 0.210 ng/Sample 1.00 0.110 ng/Sample 1.00 0.200 ng/Sample Page 69 of 125 1 Job ID: 140-31434-1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville 7/11/2023 (Rev. 1) Default Detection Limits Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Prep: None Analyte Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluoroheptanoic acid (PFHpA) Perfluoroheptanoic acid (PFHpA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorohexanoic acid (PFHxA) Perfluorohexanoic acid (PFHxA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluoro-n-octadecanoic acid (PFODA) Perfluoro-n-octadecanoic acid (PFODA) Perfluoro-n-octadecanoic acid (PFODA) Perfluorononanesulfonic acid (PFNS) Perfluorononanesulfonic acid (PFNS) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorononanoic acid (PFNA) Perfluorononanoic acid (PFNA) Perfluorooctanesulfonamide (FOSA) Perfluorooctanesulfonamide (FOSA) Perfluorooctanesulfonamide (FOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluorooctanoic acid (PFOA) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropentanoic acid (PFPeA) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTeA) Perfluorotetradecanoic acid (PFTeA) Perfluorotetradecanoic acid (PFTeA) Perfluorotridecanoic acid (PFTriA) Perfluorotridecanoic acid (PFTriA) Perfluorotridecanoic acid (PFTriA) Perfluoroundecanoic acid (PFUnA) Perfluoroundecanoic acid (PFUnA) Perfluoroundecanoic acid (PFUnA) RL MDL Units 2.00 0.460 ng/Sample 1.00 0.620 ng/Sample 3.00 2.60 ng/Sample 2.00 0.610 ng/Sample 1.00 0.110 ng/Sample 1.00 0.260 ng/Sample 2.00 0.230 ng/Sample 1.00 0.210 ng/Sample 1.00 0.520 ng/Sample 2.00 0.760 ng/Sample 1.00 0.290 ng/Sample 2.00 0.570 ng/Sample 1.00 0.220 ng/Sample 1.00 0.640 ng/Sample 2.00 0.510 ng/Sample 1.00 0.120 ng/Sample 1.00 0.160 ng/Sample 2.00 0.150 ng/Sample 1.00 0.0850 ng/Sample 1.00 0.890 ng/Sample 2.00 0.210 ng/Sample 1.00 0.0880 ng/Sample 1.00 0.230 ng/Sample 2.00 0.800 ng/Sample 1.00 0.450 ng/Sample 1.00 0.150 ng/Sample 2.00 0.260 ng/Sample 1.00 0.650 ng/Sample 1.00 0.660 ng/Sample 2.00 0.380 ng/Sample 1.00 0.120 ng/Sample 1.00 0.210 ng/Sample 2.00 0.240 ng/Sample 1.00 0.180 ng/Sample 1.00 0.450 ng/Sample 2.00 0.260 ng/Sample 1.00 0.170 ng/Sample 1.00 0.230 ng/Sample 2.00 0.450 ng/Sample 1.00 0.140 ng/Sample 1.00 0.170 ng/Sample 2.00 0.320 ng/Sample 1.00 0.170 ng/Sample 1.00 0.270 ng/Sample 2.00 0.300 ng/Sample 1 Job ID: 140-31434-1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 70 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Surrogate Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances Matrix: Air 1 Job ID: 140-31434-1 2 Prep Type: Total/NA 3 Lab Sample ID 140-31434-2 140-31434-3 140-31434-4 140-31434-6 140-31434-7 140-31434-8 140-31434-10 140-31434-11 140-31434-12 140-31434-14 140-31434-15 140-31434-16 140-31434-18 140-31434-19 140-31434-20 140-31434-21 140-31434-22 140-31434-24 C8PFOA Client Sample ID (50-150) W-1042,1043,1045 R1 OTM-45 BH 13 S1- W-1044 R1 OTM-45 IMPINGERS 0.002 S1- 1,2&3 CONDENSATE W-1046 R1 OTM-45 70 BREAKTHROUGH XAD-2 RESIN TUBE W-1049,1050,1052 R2 OTM-45 89 BH W-1051 R2 OTM-45 IMPINGERS 0 S1- 1,2&3 CONDENSATE W-1053 R2 OTM-45 78 BREAKTHROUGH XAD-2 RESIN TUBE W-1056,1057,1059 R3 OTM-45 7 S1- BH W-1058 R3 OTM-45 IMPINGERS 0 S1- 1,2&3 CONDENSATE W-1060 R3 OTM-45 78 BREAKTHROUGH XAD-2 RESIN TUBE W-1063,1064,1066 QC OTM-45 77 BH FBT W-1065 QC OTM-45 0 S1- IMPINGERS 1,2&3 CONDENSATE FBT W-1067 QC OTM-45 77 BREAKTHROUGH XAD-2 RESIN TUBE FBT W-1070,1071,1073 QC OTM-45 70 BH PBT W-1072 QC OTM-45 0 S1- IMPINGERS 1,2&3 CONDENSATE PBT W-1074 QC OTM-45 76 BREAKTHROUGH XAD-2 RESIN TUBE PBT W-1075 QC OTM-45 XAD-2 75 RESIN TUBE RB W-1076 QC OTM-45 MEOH/5% 0.008 S1- NH4OH RB W-1078 QC OTM-45 DI WATER 0 S1- RB Percent Surrogate Recovery (Acceptance Limits) C8PFOS (50-150) 3 S10 S1- 79 26 S10 S1- 80 0.5 S10 S1- 85 80 0 S1- 82 90 0 S1- 85 81 0 S10 S1- 4 5 6 7 8 9 10 11 12 13 14 15 Surrogate Legend C8PFOA = 13C8 PFOA C8PFOS = 13C8 PFOS Page 71 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Isotope Dilution Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances Matrix: Air Job ID: 140-31434-1 Prep Type: Total/NA Lab Sample ID 140-31434-1 140-31434-2 140-31434-3 140-31434-4 140-31434-5 140-31434-6 140-31434-7 140-31434-8 140-31434-9 140-31434-10 140-31434-11 140-31434-12 140-31434-13 140-31434-14 140-31434-15 140-31434-16 140-31434-17 140-31434-18 140-31434-19 140-31434-20 140-31434-21 140-31434-22 140-31434-23 140-31434-24 140-31434-25 140-31434-26 LCS 140-72552/2-B PFDA Client Sample ID (25-150) W-1040,1041 R1 OTM-45 FH 85 W-1042,1043,1045 R1 OTM-45 98 BH W-1044 R1 OTM-45 IMPINGERS 82 1,2&3 CONDENSATE W-1046 R1 OTM-45 154 *5+ BREAKTHROUGH XAD-2 RESIN TUBE W-1047,1048 R2 OTM-45 FH 86 W-1049,1050,1052 R2 OTM-45 96 BH W-1051 R2 OTM-45 IMPINGERS 87 1,2&3 CONDENSATE W-1053 R2 OTM-45 129 BREAKTHROUGH XAD-2 RESIN TUBE W-1054,1055 R3 OTM-45 FH 90 W-1056,1057,1059 R3 OTM-45 94 BH W-1058 R3 OTM-45 IMPINGERS 86 1,2&3 CONDENSATE W-1060 R3 OTM-45 107 BREAKTHROUGH XAD-2 RESIN TUBE W-1061,1062 QC OTM-45 FH 94 FBT W-1063,1064,1066 QC OTM-45 22 *5- BH FBT W-1065 QC OTM-45 85 IMPINGERS 1,2&3 CONDENSATE FBT W-1067 QC OTM-45 143 BREAKTHROUGH XAD-2 RESIN TUBE FBT W-1068,1069 QC OTM-45 FH 96 PBT W-1070,1071,1073 QC OTM-45 13 *5- BH PBT W-1072 QC OTM-45 84 IMPINGERS 1,2&3 CONDENSATE PBT W-1074 QC OTM-45 133 BREAKTHROUGH XAD-2 RESIN TUBE PBT W-1075 QC OTM-45 XAD-2 136 RESIN TUBE RB W-1076 QC OTM-45 MEOH/5% 96 NH4OH RB W-1077 QC OTM-45 FILTER RB 91 W-1078 QC OTM-45 DI WATER 85 RB A-1550 OTM-45 MEDIA CHECK 17 *5- XAD A-1551 OTM-45 MEDIA CHECK 91 FILTER Lab Control Sample 78 Percent Isotope Dilution Recovery (Acceptance Limits) PFDoA PFHxA PFHxDA PFTDA PFUnA HFPODA (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) 91 85 94 84 88 82 101 100 93 104 102 94 C3PFBS (25-150) 91 98 64 83 72 61 80 84 81 120 139 32 99 150 114 121 86 84 81 81 85 85 88 101 100 93 98 106 96 95 71 86 71 55 87 82 90 67 132 4 *5- 25 93 111 121 88 88 83 92 82 81 92 80 75 84 69 59 68 124 4 *5- 28 90 85 94 87 81 90 78 77 78 89 111 116 90 91 91 81 90 90 96 3 *5- 139 0.03 *5- 0.03 *5- 8 *5- 124 130 85 84 61 64 91 79 83 110 133 24 *5- 66 139 115 127 94 95 94 91 94 90 101 10 *5- 125 0.03 *5- 1 *5- 11 *5- 106 114 75 86 69 56 89 84 83 113 128 35 89 127 115 120 113 126 26 69 120 114 116 102 87 88 105 86 82 87 92 87 91 91 94 87 98 84 81 74 64 88 86 86 8 *5- 106 0.3 *5- 4 *5- 11 *5- 91 109 82 89 85 84 88 85 94 37 104 4 *5- 14 *5- 54 93 97 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 72 of 125 7/11/2023 (Rev. 1) Isotope Dilution Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Matrix: Air Job ID: 140-31434-1 Prep Type: Total/NA Lab Sample ID LCS 140-72555/2-B LCS 140-72692/2-B LCSD 140-72552/3-B LCSD 140-72555/3-B LCSD 140-72692/3-B MB 140-72552/14-B MB 140-72552/1-B MB 140-72555/1-B MB 140-72692/1-B Lab Sample ID 140-31434-1 140-31434-2 140-31434-3 140-31434-4 140-31434-5 140-31434-6 140-31434-7 140-31434-8 140-31434-9 140-31434-10 140-31434-11 140-31434-12 140-31434-13 140-31434-14 140-31434-15 140-31434-16 140-31434-17 140-31434-18 140-31434-19 Client Sample ID Lab Control Sample Lab Control Sample Lab Control Sample Dup Lab Control Sample Dup Lab Control Sample Dup Method Blank Method Blank Method Blank Method Blank PFDA (25-150) 85 78 51 86 84 86 60 84 72 PFBA Client Sample ID (25-150) W-1040,1041 R1 OTM-45 FH 84 W-1042,1043,1045 R1 OTM-45 92 BH W-1044 R1 OTM-45 IMPINGERS 82 1,2&3 CONDENSATE W-1046 R1 OTM-45 98 BREAKTHROUGH XAD-2 RESIN TUBE W-1047,1048 R2 OTM-45 FH 83 W-1049,1050,1052 R2 OTM-45 86 BH W-1051 R2 OTM-45 IMPINGERS 87 1,2&3 CONDENSATE W-1053 R2 OTM-45 106 BREAKTHROUGH XAD-2 RESIN TUBE W-1054,1055 R3 OTM-45 FH 87 W-1056,1057,1059 R3 OTM-45 69 BH W-1058 R3 OTM-45 IMPINGERS 81 1,2&3 CONDENSATE W-1060 R3 OTM-45 89 BREAKTHROUGH XAD-2 RESIN TUBE W-1061,1062 QC OTM-45 FH 93 FBT W-1063,1064,1066 QC OTM-45 109 BH FBT W-1065 QC OTM-45 82 IMPINGERS 1,2&3 CONDENSATE FBT W-1067 QC OTM-45 97 BREAKTHROUGH XAD-2 RESIN TUBE FBT W-1068,1069 QC OTM-45 FH 97 PBT W-1070,1071,1073 QC OTM-45 104 BH PBT W-1072 QC OTM-45 84 IMPINGERS 1,2&3 CONDENSATE PBT Percent Isotope Dilution Recovery (Acceptance Limits) PFDoA PFHxA PFHxDA PFTDA PFUnA HFPODA (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) 89 82 88 89 93 82 67 80 73 57 77 83 24 *5- 107 5 *5- 18 *5- 37 94 79 83 93 82 84 81 82 85 69 63 86 87 35 111 6 *5- 13 *5- 53 97 24 *5- 108 2 *5- 14 *5- 38 101 83 83 88 82 85 81 63 83 75 57 69 81 Percent Isotope Dilution Recovery (Acceptance Limits) C4PFHA PFOA PFOS PFNA PFPeA PFOSA (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) 92 93 93 93 87 90 98 103 95 91 102 96 85 87 87 86 83 76 123 129 126 149 121 137 86 92 90 87 87 83 104 100 89 101 95 93 90 90 91 86 91 65 122 117 114 133 126 120 95 92 89 92 91 97 79 89 82 86 87 88 87 88 83 85 87 85 114 119 101 121 122 114 98 100 94 95 94 97 122 93 13 *5- 53 135 37 91 92 88 95 84 89 122 125 123 132 132 136 101 104 98 103 96 103 90 53 14 *5- 25 122 17 *5- 89 90 87 89 84 71 C3PFBS (25-150) 88 81 98 88 84 110 107 86 81 PFHxS (25-150) 94 99 85 108 89 97 93 105 92 81 84 98 96 75 86 110 100 55 86 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 73 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Isotope Dilution Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Matrix: Air Job ID: 140-31434-1 Prep Type: Total/NA Lab Sample ID 140-31434-20 140-31434-21 140-31434-22 140-31434-23 140-31434-24 140-31434-25 140-31434-26 LCS 140-72552/2-B LCS 140-72555/2-B LCS 140-72692/2-B LCSD 140-72552/3-B LCSD 140-72555/3-B LCSD 140-72692/3-B MB 140-72552/14-B MB 140-72552/1-B MB 140-72555/1-B MB 140-72692/1-B Lab Sample ID 140-31434-1 140-31434-2 140-31434-3 140-31434-4 140-31434-5 140-31434-6 140-31434-7 140-31434-8 140-31434-9 140-31434-10 140-31434-11 140-31434-12 140-31434-13 140-31434-14 Percent Isotope Dilution Recovery (Acceptance Limits) PFBA C4PFHA PFOA PFOS PFNA PFPeA PFOSA Client Sample ID (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) W-1074 QC OTM-45 BREAKTHROUG9H3 XAD-2 R1E21SIN 124 121 128 127 134 W-1075 QC OTM-45 XAD-2 94 118 120 120 130 123 124 RESIN TUBE RB W-1076 QC OTM-45 MEOH/5% 84 88 95 85 96 89 87 NH4OH RB W-1077 QC OTM-45 FILTER RB 92 97 98 96 95 91 97 W-1078 QC OTM-45 DI WATER 85 90 94 89 87 87 72 RB A-1550 OTM-45 MEDIA CHECK 101 82 54 20 *5- 29 114 5 *5- XAD A-1551 OTM-45 MEDIA CHECK 92 96 97 92 92 91 93 FILTER Lab Control Sample 96 99 104 71 87 98 48 Lab Control Sample 88 88 92 90 89 85 83 Lab Control Sample 81 84 87 77 85 83 68 Lab Control Sample Dup 96 97 90 53 72 104 23 *5- Lab Control Sample Dup 88 91 92 90 88 86 86 Lab Control Sample Dup 84 90 95 84 89 89 70 Method Blank 99 115 107 73 103 109 44 Method Blank 101 110 95 54 78 109 32 Method Blank 83 89 89 86 85 82 85 Method Blank 81 86 84 78 85 84 71 d3NMFOS Client Sample ID (25-150) W-1040,1041 R1 OTM-45 FH 98 W-1042,1043,1045 R1 OTM-45 115 BH W-1044 R1 OTM-45 IMPINGERS 87 1,2&3 CONDENSATE W-1046 R1 OTM-45 159 *5+ BREAKTHROUGH XAD-2 RESIN TUBE W-1047,1048 R2 OTM-45 FH 95 W-1049,1050,1052 R2 OTM-45 108 BH W-1051 R2 OTM-45 IMPINGERS 81 1,2&3 CONDENSATE W-1053 R2 OTM-45 115 BREAKTHROUGH XAD-2 RESIN TUBE W-1054,1055 R3 OTM-45 FH 105 W-1056,1057,1059 R3 OTM-45 98 BH W-1058 R3 OTM-45 IMPINGERS 92 1,2&3 CONDENSATE W-1060 R3 OTM-45 111 BREAKTHROUGH XAD-2 RESIN TUBE W-1061,1062 QC OTM-45 FH 100 FBT W-1063,1064,1066 QC OTM-45 16 *5- BH FBT Percent Isotope Dilution Recovery (Acceptance Limits) d5NEFOS NMFM NEFM dEtFOSA dMeFOSA M242FTS (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) 117 86 86 91 90 111 117 93 97 86 90 101 100 57 61 64 61 92 170 *5+ 60 42 74 102 213 *5+ 104 82 82 90 108 90 94 77 79 52 52 52 104 11 *5- 7 *5- 41 78 116 86 119 51 100 69 199 *5+ 109 90 107 80 91 105 78 74 101 55 52 60 103 22 *5- 15 *5- 44 98 112 81 102 65 86 60 173 *5+ 116 10 *5- 89 0 *5- 89 0 *5- 93 0.4 *5- 94 1 *5- 116 175 *5+ PFHxS (25-150) 107 102 86 100 87 64 96 98 89 80 94 93 83 109 103 87 79 M262FTS (25-150) 107 103 100 164 *5+ 113 116 95 136 110 95 100 133 155 *5+ 91 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 74 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Isotope Dilution Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Matrix: Air Job ID: 140-31434-1 Prep Type: Total/NA Lab Sample ID 140-31434-15 140-31434-16 140-31434-17 140-31434-18 140-31434-19 140-31434-20 140-31434-21 140-31434-22 140-31434-23 140-31434-24 140-31434-25 140-31434-26 LCS 140-72552/2-B LCS 140-72555/2-B LCS 140-72692/2-B LCSD 140-72552/3-B LCSD 140-72555/3-B LCSD 140-72692/3-B MB 140-72552/14-B MB 140-72552/1-B MB 140-72555/1-B MB 140-72692/1-B Lab Sample ID 140-31434-1 140-31434-2 140-31434-3 140-31434-4 140-31434-5 140-31434-6 140-31434-7 140-31434-8 Percent Isotope Dilution Recovery (Acceptance Limits) d3NMFOS d5NEFOS NMFM NEFM dEtFOSA dMeFOSA M242FTS Client Sample ID (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) W-1065 QC OTM-45 IMPINGERS 1,29&43 CONDE1N0S4 57 60 85 88 89 W-1067 QC OTM-45 145 146 37 26 77 98 175 *5+ BREAKTHROUGH XAD-2 RESIN TUBE FBT W-1068,1069 QC OTM-45 FH 105 119 94 99 100 99 115 PBT W-1070,1071,1073 QC OTM-45 9 *5- 8 *5- 0 *5- 0 *5- 0.7 *5- 1 *5- 125 BH PBT W-1072 QC OTM-45 88 101 59 56 64 64 94 IMPINGERS 1,2&3 CONDENSATE PBT W-1074 QC OTM-45 153 *5+ 152 *5+ 56 42 98 105 188 *5+ BREAKTHROUGH XAD-2 RESIN TUBE PBT W-1075 QC OTM-45 XAD-2 150 137 43 29 78 98 190 *5+ RESIN TUBE RB W-1076 QC OTM-45 MEOH/5% 101 109 86 81 77 80 91 NH4OH RB W-1077 QC OTM-45 FILTER RB 108 120 88 87 92 93 106 W-1078 QC OTM-45 DI WATER 96 94 58 57 58 61 96 RB A-1550 OTM-45 MEDIA CHECK 10 *5- 7 *5- 2 *5- 2 *5- 1 *5- 1 *5- 114 XAD A-1551 OTM-45 MEDIA CHECK 101 115 89 82 93 88 109 FILTER Lab Control Sample 67 58 27 19 *5- 6 *5- 7 *5- 124 Lab Control Sample 90 108 80 77 80 78 99 Lab Control Sample 87 86 63 59 61 62 94 Lab Control Sample Dup 33 27 10 *5- 8 *5- 5 *5- 6 *5- 120 Lab Control Sample Dup 98 103 73 77 79 77 94 Lab Control Sample Dup 93 93 62 59 63 62 92 Method Blank 62 52 22 *5- 14 *5- 5 *5- 8 *5- 127 Method Blank 45 39 17 *5- 12 *5- 4 *5- 6 *5- 133 Method Blank 89 103 78 79 84 80 100 Method Blank 76 70 61 61 65 63 85 M282FTS Client Sample ID (25-150) W-1040,1041 R1 OTM-45 FH 94 W-1042,1043,1045 R1 OTM-45 102 BH W-1044 R1 OTM-45 IMPINGERS 108 1,2&3 CONDENSATE W-1046 R1 OTM-45 211 *5+ BREAKTHROUGH XAD-2 RESIN TUBE W-1047,1048 R2 OTM-45 FH 97 W-1049,1050,1052 R2 OTM-45 106 BH W-1051 R2 OTM-45 IMPINGERS 97 1,2&3 CONDENSATE W-1053 R2 OTM-45 127 BREAKTHROUGH XAD-2 RESIN TUBE Percent Isotope Dilution Recovery (Acceptance Limits) MFDEA MFHEA MFHUEA MFOEA MFOUEA M102FTS (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) 78 67 128 64 130 99 103 103 117 74 117 103 89 84 102 83 107 97 65 68 240 *5+ 78 234 *5+ 137 74 69 111 70 118 92 127 92 105 84 105 85 61 83 109 88 110 92 41 71 219 *5+ 57 204 *5+ 59 M262FTS (25-150) 100 160 *5+ 165 *5+ 49 93 149 150 122 147 100 60 148 121 136 88 96 138 94 123 112 137 90 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 75 of 125 7/11/2023 (Rev. 1) Isotope Dilution Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Matrix: Air Job ID: 140-31434-1 Prep Type: Total/NA Lab Sample ID 140-31434-9 140-31434-10 140-31434-11 140-31434-12 140-31434-13 140-31434-14 140-31434-15 140-31434-16 140-31434-17 140-31434-18 140-31434-19 140-31434-20 140-31434-21 140-31434-22 140-31434-23 140-31434-24 140-31434-25 140-31434-26 LCS 140-72552/2-B LCS 140-72555/2-B LCS 140-72692/2-B LCSD 140-72552/3-B LCSD 140-72555/3-B LCSD 140-72692/3-B MB 140-72552/14-B MB 140-72552/1-B MB 140-72555/1-B MB 140-72692/1-B M282FTS Client Sample ID (25-150) W-1054,1055 R3 OTM-45 FH 90 W-1056,1057,1059 R3 OTM-45 88 BH W-1058 R3 OTM-45 IMPINGERS 87 1,2&3 CONDENSATE W-1060 R3 OTM-45 131 BREAKTHROUGH XAD-2 RESIN TUBE W-1061,1062 QC OTM-45 FH 105 FBT W-1063,1064,1066 QC OTM-45 23 *5- BH FBT W-1065 QC OTM-45 90 IMPINGERS 1,2&3 CONDENSATE FBT W-1067 QC OTM-45 189 *5+ BREAKTHROUGH XAD-2 RESIN TUBE FBT W-1068,1069 QC OTM-45 FH 116 PBT W-1070,1071,1073 QC OTM-45 12 *5- BH PBT W-1072 QC OTM-45 100 IMPINGERS 1,2&3 CONDENSATE PBT W-1074 QC OTM-45 194 *5+ BREAKTHROUGH XAD-2 RESIN TUBE PBT W-1075 QC OTM-45 XAD-2 174 *5+ RESIN TUBE RB W-1076 QC OTM-45 MEOH/5% 101 NH4OH RB W-1077 QC OTM-45 FILTER RB 112 W-1078 QC OTM-45 DI WATER 105 RB A-1550 OTM-45 MEDIA CHECK 18 *5- XAD A-1551 OTM-45 MEDIA CHECK 106 FILTER Lab Control Sample 87 Lab Control Sample 98 Lab Control Sample 80 Lab Control Sample Dup 50 Lab Control Sample Dup 99 Lab Control Sample Dup 88 Method Blank 93 Method Blank 58 Method Blank 96 Method Blank 79 Percent Isotope Dilution Recovery (Acceptance Limits) MFDEA MFHEA MFHUEA MFOEA MFOUEA M102FTS (25-150) (25-150) (25-150) (25-150) (25-150) (25-150) 89 79 126 65 141 86 115 74 94 62 90 64 91 68 105 76 110 91 53 74 227 *5+ 61 210 *5+ 73 87 4 *591 72 133 74 58 217 *5+ 31 80 107 82 138 130 99 3 *5- 114 100 83 83 245 *5+ 64 244 *5+ 125 74 5 *581 74 139 81 143 42 153 *5+ 10 *5- 38 80 106 82 108 150 9 *598 84 80 229 *5+ 85 233 *5+ 131 79 89 84 92 5 *5- 80 37 62 81 16 *573 68 27 22 *568 67 76 230 *5+ 85 217 *5+ 116 66 130 67 122 98 74 132 66 130 135 77 113 88 110 85 43 121 11 *5- 41 8 *5- 72 132 78 129 128 68 177 *5+ 52 150 45 69 117 64 119 123 79 104 79 109 68 56 153 *5+ 23 *5- 96 25 71 117 68 122 116 91 109 88 118 89 69 184 *5+ 49 143 32 56 172 *5+ 38 114 26 69 118 64 116 123 81 101 83 112 62 Surrogate Legend PFDA = 13C2 PFDA PFDoA = 13C2 PFDoA PFHxA = 13C2 PFHxA PFHxDA = 13C2 PFHxDA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 76 of 125 7/11/2023 (Rev. 1) Isotope Dilution Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 PFTDA = 13C2 PFTeDA PFUnA = 13C2 PFUnA HFPODA = 13C3 HFPO-DA C3PFBS = 13C3 PFBS PFBA = 13C4 PFBA C4PFHA = 13C4 PFHpA PFOA = 13C4 PFOA PFOS = 13C4 PFOS PFNA = 13C5 PFNA PFPeA = 13C5 PFPeA PFOSA = 13C8 FOSA PFHxS = 18O2 PFHxS d3NMFOS = d3-NMeFOSAA d5NEFOS = d5-NEtFOSAA NMFM = d7-N-MeFOSE-M NEFM = d9-N-EtFOSE-M dEtFOSA = d-N-EtFOSA-M dMeFOSA = d-N-MeFOSA-M M242FTS = M2-4:2 FTS M262FTS = M2-6:2 FTS M282FTS = M2-8:2 FTS MFDEA = 13C-10:2 FTCA MFHEA = 13C-6:2 FTCA MFHUEA = 13C-6:2 FTUCA MFOEA = 13C-8:2 FTCA MFOUEA = 13C-8:2 FTUCA M102FTS = 13C2 10:2 FTS 1 Job ID: 140-31434-1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 77 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances Lab Sample ID: MB 140-72552/14-B Matrix: Air Analysis Batch: 73110 MB Analyte Result Perfluorobutanoic acid (PFBA) ND Perfluoropentanoic acid (PFPeA) ND Perfluorohexanoic acid (PFHxA) ND Perfluoroheptanoic acid (PFHpA) ND Perfluorooctanoic acid (PFOA) ND Perfluorononanoic acid (PFNA) ND Perfluorodecanoic acid (PFDA) ND Perfluoroundecanoic acid (PFUnA) ND Perfluorododecanoic acid (PFDoA) ND Perfluorotridecanoic acid (PFTriA) ND Perfluorotetradecanoic acid (PFTeA) ND Perfluorobutanesulfonic acid (PFBS) ND Perfluorohexanesulfonic acid (PFHxS) ND Perfluoroheptanesulfonic acid ND (PFHpS) Perfluorooctanesulfonic acid (PFOS) ND Perfluorodecanesulfonic acid (PFDS) ND Perfluorooctanesulfonamide (FOSA) ND Perfluoropentanesulfonic acid ND (PFPeS) Perfluorononanesulfonic acid (PFNS) ND N-methylperfluorooctanesulfonamidoa ND cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac ND etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane ND sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic ND acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane ND sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer ND Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan ND e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan ND e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND (ADONA) 1H,1H,2H,2H-Perfluorododecane ND sulfonic acid (10:2 FTS) 2- ND (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND (PFODA) 2- ND (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND (NMeFOSA) N-ethylperfluorooctane sulfonamide ND (NEtFOSA) MB Qualifier R R R RL MDL Unit 10.0 9.40 ng/Sample 1.00 0.450 ng/Sample 1.00 0.520 ng/Sample 3.00 2.60 ng/Sample 1.00 0.660 ng/Sample 1.00 0.890 ng/Sample 1.00 0.210 ng/Sample 1.00 0.270 ng/Sample 1.00 0.120 ng/Sample 1.00 0.170 ng/Sample 1.00 0.230 ng/Sample 1.00 0.520 ng/Sample 1.00 0.260 ng/Sample 1.00 0.200 ng/Sample 1.00 0.150 ng/Sample 1.00 0.200 ng/Sample 1.00 0.230 ng/Sample 1.00 0.210 ng/Sample 1.00 0.160 ng/Sample 1.00 0.120 ng/Sample 1.00 0.190 ng/Sample 1.00 0.0640 ng/Sample 10.0 8.70 ng/Sample 1.00 0.160 ng/Sample 20.0 11.0 ng/Sample 1.00 0.180 ng/Sample 1.00 0.180 ng/Sample 2.00 1.10 ng/Sample 1.00 0.170 ng/Sample 1.00 0.370 ng/Sample 1.00 0.640 ng/Sample 20.0 19.8 ng/Sample 1.00 0.770 ng/Sample 1.00 0.660 ng/Sample Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72552 D Prepared Analyzed 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 Eurofins Knoxville Page 78 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72552/14-B Matrix: Air Analysis Batch: 73110 MB Analyte Result Perfluoro-n-hexadecanoic acid ND (PFHxDA) Perfluorododecanesulfonic acid ND (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 6:2 Fluorotelomer carboxylic acid ND 7:3 Fluorotelomer carboxylic acid ND 6:2 Fluorotelemer unsaturated acid ND 8:2 Fluorotelomer carboxylic acid ND 8:2 Fluorotelemer unsaturated acid ND 5:3 Fluorotelomer carboxylic acid ND 3-Perfluoropropylpropanoic acid ND Perfluoro-3-methoxypropanoic acid ND (PFMPA) Perfluoro-4-methoxybutanoic acid ND (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND acid Perfluoro (2-ethoxyethane) sulfonic ND acid (PFEESA) MB Isotope Dilution %Recovery 13C2 PFDA 86 13C2 PFDoA 35 13C2 PFHxA 111 13C2 PFTeDA 13 13C2 PFUnA 53 13C3 HFPO-DA 97 13C3 PFBS 110 13C4 PFBA 99 13C2 PFHxDA 6 13C4 PFHpA 115 13C4 PFOA 107 13C4 PFOS 73 13C5 PFNA 103 13C5 PFPeA 109 13C8 FOSA 44 18O2 PFHxS 109 d3-NMeFOSAA 62 d5-NEtFOSAA 52 d7-N-MeFOSE-M 22 d9-N-EtFOSE-M 14 d-N-EtFOSA-M 5 d-N-MeFOSA-M 8 M2-4:2 FTS 127 M2-6:2 FTS 123 M2-8:2 FTS 93 13C-10:2 FTCA 27 MB Qualifier R MB Qualifier *5*5- *5*5*5*5- RL 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 MDL Unit 0.290 ng/Sample 0.180 ng/Sample 0.160 ng/Sample 0.520 1.00 0.560 0.200 0.380 0.200 0.700 0.310 0.120 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.130 ng/Sample 0.140 ng/Sample 0.100 ng/Sample Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72552 D Prepared Analyzed 04/24/23 08:34 05/09/23 16:41 Dil Fac 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 04/24/23 08:34 05/09/23 16:41 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 05/09/23 16:41 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 79 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72552/14-B Matrix: Air Analysis Batch: 73110 MB Isotope Dilution %Recovery 13C-6:2 FTCA 69 13C2 10:2 FTS 32 13C-6:2 FTUCA 184 13C-8:2 FTCA 49 13C-8:2 FTUCA 143 MB Qualifier *5+ Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Lab Sample ID: MB 140-72552/1-B Matrix: Air Analysis Batch: 73110 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoa cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) MB Result ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND MB Qualifier RL MDL Unit 10.0 9.40 ng/Sample 1.00 0.450 ng/Sample 1.00 0.520 ng/Sample 3.00 2.60 ng/Sample 1.00 0.660 ng/Sample 1.00 0.890 ng/Sample 1.00 0.210 ng/Sample 1.00 0.270 ng/Sample 1.00 0.120 ng/Sample 1.00 0.170 ng/Sample 1.00 0.230 ng/Sample 1.00 0.520 ng/Sample 1.00 0.260 ng/Sample 1.00 0.200 ng/Sample 1.00 0.150 ng/Sample 1.00 0.200 ng/Sample 1.00 0.230 ng/Sample 1.00 0.210 ng/Sample 1.00 0.160 ng/Sample 1.00 0.120 ng/Sample 1.00 0.190 ng/Sample 1.00 0.0640 ng/Sample 10.0 8.70 ng/Sample 1.00 0.160 ng/Sample 20.0 11.0 ng/Sample 1.00 0.180 ng/Sample 1.00 0.180 ng/Sample 2.00 1.10 ng/Sample 1.00 0.170 ng/Sample 1 Job ID: 140-31434-1 2 3 Client Sample ID: Method Blank 4 Prep Type: Total/NA Prep Batch: 72552 Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 11 6 04/24/23 08:34 05/09/23 16:41 04/24/23 08:34 05/09/23 16:41 1 1 7 04/24/23 08:34 05/09/23 16:41 18 Client Sample ID: Method Blank 9 Prep Type: Total/NA Prep Batch: 72552 10 D Prepared Analyzed Dil Fac 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 1 11 1 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 11 12 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 1 1 13 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 1 1 14 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 1 1 15 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 Eurofins Knoxville Page 80 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72552/1-B Matrix: Air Analysis Batch: 73110 MB Analyte Result 2- ND (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND (PFODA) 2- ND (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND (NMeFOSA) N-ethylperfluorooctane sulfonamide ND (NEtFOSA) Perfluoro-n-hexadecanoic acid ND (PFHxDA) Perfluorododecanesulfonic acid ND (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 6:2 Fluorotelomer carboxylic acid ND 7:3 Fluorotelomer carboxylic acid ND 6:2 Fluorotelemer unsaturated acid ND 8:2 Fluorotelomer carboxylic acid ND 8:2 Fluorotelemer unsaturated acid ND 5:3 Fluorotelomer carboxylic acid ND 3-Perfluoropropylpropanoic acid ND Perfluoro-3-methoxypropanoic acid ND (PFMPA) Perfluoro-4-methoxybutanoic acid ND (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND acid Perfluoro (2-ethoxyethane) sulfonic ND acid (PFEESA) MB Isotope Dilution %Recovery 13C2 PFDA 60 13C2 PFDoA 24 13C2 PFHxA 108 13C2 PFTeDA 14 13C2 PFUnA 38 13C3 HFPO-DA 101 13C3 PFBS 107 13C4 PFBA 101 13C2 PFHxDA 2 13C4 PFHpA 110 13C4 PFOA 95 13C4 PFOS 54 13C5 PFNA 78 13C5 PFPeA 109 13C8 FOSA 32 18O2 PFHxS 103 MB Qualifier R R R R MB Qualifier *5*5*5- RL 1.00 1.00 20.0 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 MDL Unit 0.370 ng/Sample 0.640 ng/Sample 19.8 ng/Sample 0.770 ng/Sample 0.660 ng/Sample 0.290 ng/Sample 0.180 ng/Sample 0.160 ng/Sample 0.520 1.00 0.560 0.200 0.380 0.200 0.700 0.310 0.120 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.130 ng/Sample 0.140 ng/Sample 0.100 ng/Sample 1 Job ID: 140-31434-1 2 3 Client Sample ID: Method Blank 4 Prep Type: Total/NA Prep Batch: 72552 D Prepared Analyzed 5 Dil Fac 04/24/23 08:34 05/09/23 14:28 16 04/24/23 08:34 05/09/23 14:28 17 04/24/23 08:34 05/09/23 14:28 18 04/24/23 08:34 05/09/23 14:28 19 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 05/09/23 14:28 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 1 10 1 11 1 12 1 1 13 1 1 14 1 1 15 1 1 1 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 04/24/23 08:34 05/09/23 14:28 1 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 81 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72552/1-B Matrix: Air Analysis Batch: 73110 MB Isotope Dilution %Recovery d3-NMeFOSAA 45 d5-NEtFOSAA 39 d7-N-MeFOSE-M 17 d9-N-EtFOSE-M 12 d-N-EtFOSA-M 4 d-N-MeFOSA-M 6 M2-4:2 FTS 133 M2-6:2 FTS 112 M2-8:2 FTS 58 13C-10:2 FTCA 22 13C-6:2 FTCA 56 13C2 10:2 FTS 26 13C-6:2 FTUCA 172 13C-8:2 FTCA 38 13C-8:2 FTUCA 114 MB Qualifier *5*5*5*5- *5- *5+ Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72552 Prepared 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 04/24/23 08:34 Analyzed 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 05/09/23 14:28 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Lab Sample ID: LCS 140-72552/2-B Matrix: Air Analysis Batch: 73110 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) Spike Added 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 17.7 18.2 19.0 18.6 19.3 20.0 18.8 19.2 LCS Result 15.02 16.04 16.99 16.78 16.22 15.46 14.88 16.41 LCS Qualifier Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 72552 %Rec Unit D %Rec Limits ng/Sample 75 60 - 140 ng/Sample 80 60 - 140 ng/Sample 85 60 - 140 ng/Sample 84 60 - 140 ng/Sample 81 60 - 140 ng/Sample 77 60 - 140 ng/Sample 74 60 - 140 ng/Sample 82 60 - 140 15.54 ng/Sample 78 60 - 140 9.728 *- ng/Sample 49 60 - 140 14.54 ng/Sample 73 60 - 140 13.26 ng/Sample 75 60 - 140 14.48 ng/Sample 80 60 - 140 17.69 ng/Sample 93 60 - 140 14.68 ng/Sample 79 60 - 140 5.685 *- ng/Sample 29 60 - 140 16.07 ng/Sample 80 60 - 140 15.25 ng/Sample 81 60 - 140 10.04 *- ng/Sample 52 60 - 140 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 82 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCS 140-72552/2-B Matrix: Air Analysis Batch: 73110 Analyte N-methylperfluorooctanesulfona midoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonami doacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxan onane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaund ecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2(N-ethylperfluoro-1-octanesulfon amido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2(N-methylperfluoro-1-octanesulf onamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesul fonic acid Spike Added 20.0 20.0 18.7 19.0 19.2 20.0 18.6 18.8 18.8 19.3 20.0 20.0 20.0 20.0 20.0 20.0 19.4 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 18.4 LCS Result 16.09 LCS Qualifier Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 72552 %Rec Unit D %Rec Limits ng/Sample 80 60 - 140 15.20 ng/Sample 76 60 - 140 14.91 ng/Sample 80 60 - 140 13.27 ng/Sample 70 60 - 140 14.21 ng/Sample 74 60 - 140 16.15 J ng/Sample 81 60 - 140 10.69 *- ng/Sample 57 60 - 140 4.730 *- ng/Sample 25 60 - 140 21.14 ng/Sample 112 60 - 140 14.37 ng/Sample 75 60 - 140 13.73 ng/Sample 69 60 - 140 1.300 *- R 21.06 ng/Sample ng/Sample 7 60 - 140 105 60 - 140 17.22 R 15.62 R 16.82 R 1.791 *- 18.67 16.36 15.10 17.55 12.75 14.79 12.20 20.57 14.79 14.36 15.22 10.33 *- ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 86 60 - 140 78 60 - 140 84 60 - 140 9 60 - 140 93 60 - 140 82 60 - 140 76 60 - 140 88 60 - 140 64 60 - 140 74 60 - 140 61 60 - 140 103 60 - 140 74 60 - 140 72 60 - 140 76 60 - 140 56 60 - 140 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 83 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 1 Job ID: 140-31434-1 2 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) 3 Lab Sample ID: LCS 140-72552/2-B Client Sample ID: Lab Control Sample Matrix: Air Analysis Batch: 73110 4 Prep Type: Total/NA Prep Batch: 72552 Analyte 5 Spike Added LCS LCS Result Qualifier Unit D %Rec %Rec Limits Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) 17.8 12.71 ng/Sample 71 60 - 140 6 Isotope Dilution LCS LCS %Recovery Qualifier Limits 7 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 78 37 104 14 *554 93 97 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 8 9 10 13C4 PFBA 13C2 PFHxDA 96 4 *5- 25 - 150 25 - 150 11 13C4 PFHpA 13C4 PFOA 99 25 - 150 104 25 - 150 12 13C4 PFOS 13C5 PFNA 71 25 - 150 87 25 - 150 13 13C5 PFPeA 13C8 FOSA 98 25 - 150 48 25 - 150 14 18O2 PFHxS d3-NMeFOSAA 98 25 - 150 67 25 - 150 15 d5-NEtFOSAA 58 25 - 150 d7-N-MeFOSE-M 27 25 - 150 d9-N-EtFOSE-M 19 *5- 25 - 150 d-N-EtFOSA-M 6 *5- 25 - 150 d-N-MeFOSA-M 7 *5- 25 - 150 M2-4:2 FTS 124 25 - 150 M2-6:2 FTS 121 25 - 150 M2-8:2 FTS 87 25 - 150 13C-10:2 FTCA 37 25 - 150 13C-6:2 FTCA 68 25 - 150 13C2 10:2 FTS 45 25 - 150 13C-6:2 FTUCA 177 *5+ 25 - 150 13C-8:2 FTCA 52 25 - 150 13C-8:2 FTUCA 150 25 - 150 Lab Sample ID: LCSD 140-72552/3-B Matrix: Air Analysis Batch: 73110 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Spike Added 20.0 20.0 20.0 20.0 20.0 20.0 20.0 LCSD Result 16.03 16.74 16.89 17.33 16.86 14.36 16.11 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72552 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 80 60 - 140 7 30 ng/Sample 84 60 - 140 4 30 ng/Sample 84 60 - 140 1 30 ng/Sample 87 60 - 140 3 30 ng/Sample 84 60 - 140 4 30 ng/Sample 72 60 - 140 7 30 ng/Sample 81 60 - 140 8 30 Page 84 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Job ID: 140-31434-1 Lab Sample ID: LCSD 140-72552/3-B Matrix: Air Analysis Batch: 73110 Analyte Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfona midoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonami doacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxan onane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaund ecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2(N-ethylperfluoro-1-octanesulfon amido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2(N-methylperfluoro-1-octanesulf onamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Spike Added 20.0 20.0 20.0 20.0 17.7 18.2 19.0 18.6 19.3 20.0 18.8 19.2 20.0 20.0 18.7 19.0 19.2 20.0 18.6 18.8 18.8 19.3 20.0 20.0 20.0 20.0 20.0 LCSD Result 15.36 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72552 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 77 60 - 140 7 30 15.94 ng/Sample 80 60 - 140 3 30 12.40 ng/Sample 62 60 - 140 24 30 14.65 ng/Sample 73 60 - 140 1 30 15.08 ng/Sample 85 60 - 140 13 30 14.91 ng/Sample 82 60 - 140 3 30 19.97 ng/Sample 105 60 - 140 12 30 15.84 ng/Sample 85 60 - 140 8 30 6.479 *- ng/Sample 34 60 - 140 13 30 17.14 ng/Sample 86 60 - 140 6 30 16.13 ng/Sample 86 60 - 140 6 30 10.56 *- ng/Sample 55 60 - 140 5 30 16.68 ng/Sample 83 60 - 140 4 30 14.36 ng/Sample 72 60 - 140 6 30 15.61 ng/Sample 84 60 - 140 5 30 14.33 ng/Sample 76 60 - 140 8 30 16.72 ng/Sample 87 60 - 140 16 30 17.47 J ng/Sample 87 60 - 140 8 30 11.18 ng/Sample 60 60 - 140 4 30 4.615 *- ng/Sample 24 60 - 140 2 30 28.31 *+ ng/Sample 150 60 - 140 29 30 15.02 ng/Sample 78 60 - 140 4 30 14.44 R ng/Sample 72 60 - 140 5 30 0.7152 J *- *1 R 26.43 ng/Sample ng/Sample 4 60 - 140 132 60 - 140 58 30 23 30 17.64 R 17.78 R ng/Sample ng/Sample 88 60 - 140 89 60 - 140 2 30 13 30 Eurofins Knoxville 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 85 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72552/3-B Matrix: Air Analysis Batch: 73110 Analyte Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesul fonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C2 PFHxDA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M d-N-MeFOSA-M M2-4:2 FTS M2-6:2 FTS LCSD %Recovery 51 24 107 18 37 94 98 96 5 97 90 53 72 104 23 94 33 27 10 8 5 6 120 96 LCSD Qualifier *5*5- *5- *5- *5*5*5*5- Spike Added 20.0 19.4 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 18.4 17.8 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 LCSD Result 17.10 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72552 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit R ng/Sample 85 60 - 140 2 30 3.270 *- *1 ng/Sample 17 60 - 140 58 30 16.41 ng/Sample 82 60 - 140 13 30 17.56 ng/Sample 88 60 - 140 7 30 16.33 23.29 13.57 ng/Sample ng/Sample ng/Sample 82 60 - 140 116 60 - 140 68 60 - 140 8 30 28 30 6 30 26.90 *1 13.66 ng/Sample ng/Sample 135 60 - 140 68 60 - 140 58 30 11 30 20.64 15.61 15.80 ng/Sample ng/Sample ng/Sample 103 60 - 140 78 60 - 140 79 60 - 140 0 30 5 30 10 30 14.46 ng/Sample 72 60 - 140 5 30 10.70 *- ng/Sample 58 60 - 140 4 30 13.85 ng/Sample 78 60 - 140 9 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 86 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72552/3-B Matrix: Air Analysis Batch: 73110 LCSD Isotope Dilution %Recovery M2-8:2 FTS 50 13C-10:2 FTCA 16 13C-6:2 FTCA 56 13C2 10:2 FTS 25 13C-6:2 FTUCA 153 13C-8:2 FTCA 23 13C-8:2 FTUCA 96 LCSD Qualifier *5- *5+ *5- Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72552 Lab Sample ID: MB 140-72555/1-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoa cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan e-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaundecan e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) MB Result ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND MB Qualifier Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72555 RL MDL Unit D Prepared Analyzed Dil Fac 2.00 1.30 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.180 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.210 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.620 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.650 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.0850 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.250 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.170 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.100 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.140 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.170 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.890 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.110 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.110 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.450 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.110 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.0880 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.120 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.120 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.120 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.140 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.0910 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 5.00 4.00 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.140 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 5.00 4.70 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.0980 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.200 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 1.00 0.140 ng/Sample 04/24/23 09:01 05/03/23 16:11 1 Eurofins Knoxville 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 87 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72555/1-B Matrix: Air Analysis Batch: 72895 MB Analyte Result 1H,1H,2H,2H-Perfluorododecane ND sulfonic acid (10:2 FTS) 2- ND (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND (PFODA) 2- ND (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND (NMeFOSA) N-ethylperfluorooctane sulfonamide ND (NEtFOSA) Perfluoro-n-hexadecanoic acid ND (PFHxDA) Perfluorododecanesulfonic acid ND (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 6:2 Fluorotelomer carboxylic acid ND 7:3 Fluorotelomer carboxylic acid ND 6:2 Fluorotelemer unsaturated acid ND 8:2 Fluorotelomer carboxylic acid ND 8:2 Fluorotelemer unsaturated acid ND 5:3 Fluorotelomer carboxylic acid ND 3-Perfluoropropylpropanoic acid ND Perfluoro-3-methoxypropanoic acid ND (PFMPA) Perfluoro-4-methoxybutanoic acid ND (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND acid Perfluoro (2-ethoxyethane) sulfonic ND acid (PFEESA) MB Isotope Dilution %Recovery 13C2 PFDA 84 13C2 PFDoA 83 13C2 PFHxA 83 13C2 PFTeDA 82 13C2 PFUnA 85 13C3 HFPO-DA 81 13C3 PFBS 86 13C4 PFBA 83 13C2 PFHxDA 88 13C4 PFHpA 89 13C4 PFOA 89 13C4 PFOS 86 13C5 PFNA 85 13C5 PFPeA 82 MB Qualifier MB Qualifier RL 1.00 1.00 1.00 5.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 MDL Unit 0.320 ng/Sample 0.120 ng/Sample 0.220 ng/Sample 4.90 ng/Sample 0.150 ng/Sample 0.160 ng/Sample 0.290 ng/Sample 0.0950 ng/Sample 0.150 ng/Sample 0.420 0.430 0.350 0.140 0.350 0.220 0.480 0.290 0.150 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.200 ng/Sample 0.220 ng/Sample 0.140 ng/Sample Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72555 D Prepared Analyzed 04/24/23 09:01 05/03/23 16:11 Dil Fac 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 04/24/23 09:01 05/03/23 16:11 1 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 88 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72555/1-B Matrix: Air Analysis Batch: 72895 MB Isotope Dilution %Recovery 13C8 FOSA 85 18O2 PFHxS 87 d3-NMeFOSAA 89 d5-NEtFOSAA 103 d7-N-MeFOSE-M 78 d9-N-EtFOSE-M 79 d-N-EtFOSA-M 84 d-N-MeFOSA-M 80 M2-4:2 FTS 100 M2-6:2 FTS 137 M2-8:2 FTS 96 13C-10:2 FTCA 68 13C-6:2 FTCA 69 13C2 10:2 FTS 123 13C-6:2 FTUCA 118 13C-8:2 FTCA 64 13C-8:2 FTUCA 116 MB Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72555 Prepared 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 04/24/23 09:01 Analyzed 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 05/03/23 16:11 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Lab Sample ID: LCS 140-72555/2-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Spike Added 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 17.7 18.2 19.0 18.6 19.3 20.0 18.8 LCS Result 14.65 15.90 17.13 15.79 15.73 15.17 16.11 15.40 LCS Qualifier Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 72555 %Rec Unit D %Rec Limits ng/Sample 73 60 - 140 ng/Sample 79 60 - 140 ng/Sample 86 60 - 140 ng/Sample 79 60 - 140 ng/Sample 79 60 - 140 ng/Sample 76 60 - 140 ng/Sample 81 60 - 140 ng/Sample 77 60 - 140 16.41 ng/Sample 82 60 - 140 14.99 ng/Sample 75 60 - 140 16.94 ng/Sample 85 60 - 140 14.25 ng/Sample 81 60 - 140 14.13 ng/Sample 78 60 - 140 15.32 ng/Sample 80 60 - 140 14.23 ng/Sample 77 60 - 140 15.20 ng/Sample 79 60 - 140 16.36 ng/Sample 82 60 - 140 14.71 ng/Sample 78 60 - 140 Eurofins Knoxville 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 89 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCS 140-72555/2-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfona midoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonami doacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxan onane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaund ecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2(N-ethylperfluoro-1-octanesulfon amido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2(N-methylperfluoro-1-octanesulf onamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Spike Added 19.2 20.0 20.0 18.7 19.0 19.2 20.0 18.6 18.8 18.8 19.3 20.0 20.0 20.0 20.0 20.0 20.0 19.4 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 LCS Result 15.67 LCS Qualifier Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 72555 %Rec Unit D %Rec Limits ng/Sample 82 60 - 140 16.82 ng/Sample 84 60 - 140 14.14 ng/Sample 71 60 - 140 14.54 ng/Sample 78 60 - 140 14.14 ng/Sample 75 60 - 140 15.01 ng/Sample 78 60 - 140 16.03 ng/Sample 80 60 - 140 14.54 ng/Sample 78 60 - 140 14.10 ng/Sample 75 60 - 140 15.07 ng/Sample 80 60 - 140 13.39 ng/Sample 69 60 - 140 14.86 ng/Sample 74 60 - 140 16.16 18.11 ng/Sample ng/Sample 81 60 - 140 91 60 - 140 15.59 15.78 14.88 15.20 16.67 15.16 17.87 20.58 14.45 15.13 13.49 18.75 14.21 14.92 15.92 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 78 60 - 140 79 60 - 140 74 60 - 140 79 60 - 140 83 60 - 140 76 60 - 140 89 60 - 140 103 60 - 140 72 60 - 140 76 60 - 140 67 60 - 140 94 60 - 140 71 60 - 140 75 60 - 140 80 60 - 140 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 90 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 1 Job ID: 140-31434-1 2 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) 3 Lab Sample ID: LCS 140-72555/2-B Client Sample ID: Lab Control Sample Matrix: Air Analysis Batch: 72895 4 Prep Type: Total/NA Prep Batch: 72555 Analyte 5 Spike Added LCS LCS Result Qualifier Unit D %Rec %Rec Limits Perfluoro-4-ethylcyclohexanesul fonic acid 18.4 14.70 ng/Sample 80 60 - 140 6 7 Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) LCS LCS 17.8 13.20 ng/Sample 74 60 - 140 8 Isotope Dilution 13C2 PFDA %Recovery Qualifier 85 Limits 25 - 150 9 13C2 PFDoA 13C2 PFHxA 89 25 - 150 82 25 - 150 13C2 PFTeDA 13C2 PFUnA 89 25 - 150 93 25 - 150 10 13C3 HFPO-DA 13C3 PFBS 82 25 - 150 88 25 - 150 11 13C4 PFBA 13C2 PFHxDA 88 25 - 150 88 25 - 150 12 13C4 PFHpA 13C4 PFOA 88 25 - 150 92 25 - 150 13 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS 90 25 - 150 89 25 - 150 85 25 - 150 83 25 - 150 89 25 - 150 14 15 d3-NMeFOSAA 90 25 - 150 d5-NEtFOSAA 108 25 - 150 d7-N-MeFOSE-M 80 25 - 150 d9-N-EtFOSE-M 77 25 - 150 d-N-EtFOSA-M 80 25 - 150 d-N-MeFOSA-M 78 25 - 150 M2-4:2 FTS 99 25 - 150 M2-6:2 FTS 136 25 - 150 M2-8:2 FTS 98 25 - 150 13C-10:2 FTCA 62 25 - 150 13C-6:2 FTCA 69 25 - 150 13C2 10:2 FTS 123 25 - 150 13C-6:2 FTUCA 117 25 - 150 13C-8:2 FTCA 64 25 - 150 13C-8:2 FTUCA 119 25 - 150 Lab Sample ID: LCSD 140-72555/3-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Spike Added 20.0 20.0 20.0 20.0 20.0 20.0 LCSD Result 15.12 15.86 17.31 15.40 16.36 15.72 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72555 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 76 60 - 140 3 30 ng/Sample 79 60 - 140 0 30 ng/Sample 87 60 - 140 1 30 ng/Sample 77 60 - 140 3 30 ng/Sample 82 60 - 140 4 30 ng/Sample 79 60 - 140 4 30 Eurofins Knoxville Page 91 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72555/3-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfona midoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonami doacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxan onane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaund ecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2(N-ethylperfluoro-1-octanesulfon amido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2(N-methylperfluoro-1-octanesulf onamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) Spike Added 20.0 20.0 20.0 20.0 20.0 17.7 18.2 19.0 18.6 19.3 20.0 18.8 19.2 20.0 20.0 18.7 19.0 19.2 20.0 18.6 18.8 18.8 19.3 20.0 20.0 20.0 20.0 LCSD Result 16.16 16.89 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72555 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 81 60 - 140 0 30 ng/Sample 84 60 - 140 9 30 17.24 ng/Sample 86 60 - 140 5 30 15.62 ng/Sample 78 60 - 140 4 30 18.41 ng/Sample 92 60 - 140 8 30 14.43 ng/Sample 82 60 - 140 1 30 14.08 ng/Sample 77 60 - 140 0 30 16.29 ng/Sample 86 60 - 140 6 30 14.60 ng/Sample 79 60 - 140 3 30 16.49 ng/Sample 86 60 - 140 8 30 16.12 ng/Sample 81 60 - 140 1 30 15.51 ng/Sample 83 60 - 140 5 30 16.05 ng/Sample 84 60 - 140 2 30 15.74 ng/Sample 79 60 - 140 7 30 14.66 ng/Sample 73 60 - 140 4 30 15.64 ng/Sample 84 60 - 140 7 30 13.87 ng/Sample 73 60 - 140 2 30 14.59 ng/Sample 76 60 - 140 3 30 16.55 ng/Sample 83 60 - 140 3 30 14.74 ng/Sample 79 60 - 140 1 30 13.92 ng/Sample 74 60 - 140 1 30 15.50 ng/Sample 82 60 - 140 3 30 12.63 ng/Sample 65 60 - 140 6 30 15.50 ng/Sample 77 60 - 140 4 30 15.02 19.73 ng/Sample ng/Sample 75 60 - 140 99 60 - 140 7 30 9 30 16.11 ng/Sample 81 60 - 140 3 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 92 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72555/3-B Matrix: Air Analysis Batch: 72895 Analyte N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesul fonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C2 PFHxDA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA d7-N-MeFOSE-M d9-N-EtFOSE-M d-N-EtFOSA-M d-N-MeFOSA-M LCSD %Recovery 86 79 83 82 84 81 88 88 93 91 92 90 88 86 86 93 98 103 73 77 79 77 LCSD Qualifier Spike Added 20.0 20.0 19.4 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 20.0 18.4 17.8 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 LCSD Result 16.37 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72555 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 82 60 - 140 4 30 14.67 ng/Sample 73 60 - 140 1 30 15.29 ng/Sample 79 60 - 140 1 30 16.24 ng/Sample 81 60 - 140 3 30 14.70 ng/Sample 74 60 - 140 3 30 17.18 19.42 14.36 ng/Sample ng/Sample ng/Sample 86 60 - 140 97 60 - 140 72 60 - 140 4 30 6 30 1 30 15.69 13.71 ng/Sample ng/Sample 78 60 - 140 69 60 - 140 4 30 2 30 19.32 14.33 14.91 ng/Sample ng/Sample ng/Sample 97 60 - 140 72 60 - 140 75 60 - 140 3 30 1 30 0 30 16.68 ng/Sample 83 60 - 140 5 30 14.69 ng/Sample 80 60 - 140 0 30 14.27 ng/Sample 80 60 - 140 8 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 93 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72555/3-B Matrix: Air Analysis Batch: 72895 LCSD Isotope Dilution %Recovery M2-4:2 FTS 94 M2-6:2 FTS 138 M2-8:2 FTS 99 13C-10:2 FTCA 73 13C-6:2 FTCA 71 13C2 10:2 FTS 116 13C-6:2 FTUCA 117 13C-8:2 FTCA 68 13C-8:2 FTUCA 122 LCSD Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72555 Lab Sample ID: MB 140-72692/1-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfonamidoa cetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonamidoac etic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxanonan e-1-sulfonic acid MB Result ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND MB Qualifier Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72692 RL MDL Unit D Prepared Analyzed Dil Fac 2.00 0.800 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.260 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.760 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.610 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.380 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.210 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.260 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.300 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.210 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.320 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.450 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.180 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.230 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.460 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.260 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.330 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.800 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.240 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.150 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.410 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.300 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.230 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.550 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.520 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.940 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 2.00 0.260 ng/Sample 04/27/23 11:24 05/03/23 14:22 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 94 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72692/1-B Matrix: Air Analysis Batch: 72895 MB Analyte Result 11-Chloroeicosafluoro-3-oxaundecan ND e-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid ND (ADONA) 1H,1H,2H,2H-Perfluorododecane ND sulfonic acid (10:2 FTS) 2- ND (N-ethylperfluoro-1-octanesulfonamid o) ethanol Perfluoro-n-octadecanoic acid ND (PFODA) 2- ND (N-methylperfluoro-1-octanesulfonami do) ethanol N-methylperfluorooctane sulfonamide ND (NMeFOSA) N-ethylperfluorooctane sulfonamide ND (NEtFOSA) Perfluoro-n-hexadecanoic acid ND (PFHxDA) Perfluorododecanesulfonic acid ND (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid ND (NFDHA) 10:2 Fluorotelomer carboxylic acid ND 6:2 Fluorotelomer carboxylic acid ND 7:3 Fluorotelomer carboxylic acid ND 6:2 Fluorotelemer unsaturated acid ND 8:2 Fluorotelomer carboxylic acid ND 8:2 Fluorotelemer unsaturated acid ND 5:3 Fluorotelomer carboxylic acid ND 3-Perfluoropropylpropanoic acid ND Perfluoro-3-methoxypropanoic acid ND (PFMPA) Perfluoro-4-methoxybutanoic acid ND (PFMBA) Perfluoro-4-ethylcyclohexanesulfonic ND acid Perfluoro (2-ethoxyethane) sulfonic ND acid (PFEESA) MB Isotope Dilution %Recovery 13C2 PFDA 72 13C2 PFDoA 63 13C2 PFHxA 83 13C2 PFTeDA 57 13C2 PFUnA 69 13C3 HFPO-DA 81 13C3 PFBS 81 13C4 PFBA 81 13C2 PFHxDA 75 13C4 PFHpA 86 13C4 PFOA 84 MB Qualifier MB Qualifier RL 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 MDL Unit 0.280 ng/Sample 0.560 ng/Sample 0.430 ng/Sample 0.740 ng/Sample 0.510 ng/Sample 0.410 ng/Sample 0.340 ng/Sample 0.540 ng/Sample 0.570 ng/Sample 0.320 ng/Sample 0.580 ng/Sample 1.20 1.20 1.50 0.360 1.30 0.800 1.20 0.880 0.580 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 0.790 ng/Sample 0.640 ng/Sample 0.510 ng/Sample Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72692 D Prepared Analyzed 04/27/23 11:24 05/03/23 14:22 Dil Fac 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 04/27/23 11:24 05/03/23 14:22 1 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 Eurofins Knoxville Page 95 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: MB 140-72692/1-B Matrix: Air Analysis Batch: 72895 MB Isotope Dilution %Recovery 13C4 PFOS 78 13C5 PFNA 85 13C5 PFPeA 84 13C8 FOSA 71 18O2 PFHxS 79 d3-NMeFOSAA 76 d5-NEtFOSAA 70 d7-N-MeFOSE-M 61 d9-N-EtFOSE-M 61 d-N-EtFOSA-M 65 d-N-MeFOSA-M 63 M2-4:2 FTS 85 M2-6:2 FTS 90 M2-8:2 FTS 79 13C-10:2 FTCA 67 13C-6:2 FTCA 81 13C2 10:2 FTS 62 13C-6:2 FTUCA 101 13C-8:2 FTCA 83 13C-8:2 FTUCA 112 MB Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 Job ID: 140-31434-1 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 72692 Prepared 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 04/27/23 11:24 Analyzed 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 05/03/23 14:22 Dil Fac 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Lab Sample ID: LCS 140-72692/2-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Spike Added 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 35.4 36.4 38.1 37.1 38.6 LCS Result 34.11 35.66 38.22 34.67 36.27 35.17 36.71 36.84 LCS Qualifier Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 72692 %Rec Unit D %Rec Limits ng/Sample 85 60 - 140 ng/Sample 89 60 - 140 ng/Sample 96 60 - 140 ng/Sample 87 60 - 140 ng/Sample 91 60 - 140 ng/Sample 88 60 - 140 ng/Sample 92 60 - 140 ng/Sample 92 60 - 140 37.82 ng/Sample 95 60 - 140 30.43 ng/Sample 76 60 - 140 42.44 ng/Sample 106 60 - 140 30.24 ng/Sample 86 60 - 140 30.87 ng/Sample 85 60 - 140 35.20 ng/Sample 92 60 - 140 33.77 ng/Sample 91 60 - 140 31.13 ng/Sample 81 60 - 140 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 96 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCS 140-72692/2-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfona midoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonami doacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxan onane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaund ecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2(N-ethylperfluoro-1-octanesulfon amido) ethanol Perfluoro-n-octadecanoic acid (PFODA) 2(N-methylperfluoro-1-octanesulf onamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Spike Added 40.0 37.5 38.4 40.0 40.0 37.4 37.9 38.3 40.0 37.3 37.7 37.7 38.6 40.0 40.0 40.0 40.0 40.0 40.0 38.7 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 LCS Result 36.82 LCS Qualifier Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 72692 %Rec Unit D %Rec Limits ng/Sample 92 60 - 140 33.18 ng/Sample 88 60 - 140 37.88 ng/Sample 99 60 - 140 35.78 ng/Sample 89 60 - 140 32.87 ng/Sample 82 60 - 140 32.38 ng/Sample 87 60 - 140 31.25 ng/Sample 82 60 - 140 32.20 ng/Sample 84 60 - 140 36.39 ng/Sample 91 60 - 140 33.99 ng/Sample 91 60 - 140 25.27 ng/Sample 67 60 - 140 35.60 ng/Sample 94 60 - 140 31.57 ng/Sample 82 60 - 140 35.63 ng/Sample 89 60 - 140 31.43 34.85 ng/Sample ng/Sample 79 60 - 140 87 60 - 140 35.66 36.38 34.78 26.44 37.88 28.44 33.12 36.77 34.89 34.53 32.80 42.47 37.29 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 89 60 - 140 91 60 - 140 87 60 - 140 68 60 - 140 95 60 - 140 71 60 - 140 83 60 - 140 92 60 - 140 87 60 - 140 86 60 - 140 82 60 - 140 106 60 - 140 93 60 - 140 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 97 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 1 Job ID: 140-31434-1 2 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) 3 Lab Sample ID: LCS 140-72692/2-B Client Sample ID: Lab Control Sample Matrix: Air Analysis Batch: 72895 4 Prep Type: Total/NA Prep Batch: 72692 Analyte 5 Spike Added LCS LCS Result Qualifier Unit D %Rec %Rec Limits Perfluoro-3-methoxypropanoic acid (PFMPA) 40.0 33.33 ng/Sample 83 60 - 140 6 Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesul 7 40.0 36.01 36.9 32.30 ng/Sample ng/Sample 90 60 - 140 88 60 - 140 fonic acid Perfluoro (2-ethoxyethane) 35.6 31.92 ng/Sample 90 60 - 140 8 sulfonic acid (PFEESA) LCS LCS 9 Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA %Recovery 78 67 80 57 77 83 Qualifier Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 10 11 12 13C3 PFBS 13C4 PFBA 81 25 - 150 81 25 - 150 13 13C2 PFHxDA 13C4 PFHpA 73 25 - 150 84 25 - 150 14 13C4 PFOA 13C4 PFOS 87 25 - 150 77 25 - 150 15 13C5 PFNA 85 25 - 150 13C5 PFPeA 83 25 - 150 13C8 FOSA 68 25 - 150 18O2 PFHxS 80 25 - 150 d3-NMeFOSAA 87 25 - 150 d5-NEtFOSAA 86 25 - 150 d7-N-MeFOSE-M 63 25 - 150 d9-N-EtFOSE-M 59 25 - 150 d-N-EtFOSA-M 61 25 - 150 d-N-MeFOSA-M 62 25 - 150 M2-4:2 FTS 94 25 - 150 M2-6:2 FTS 88 25 - 150 M2-8:2 FTS 80 25 - 150 13C-10:2 FTCA 81 25 - 150 13C-6:2 FTCA 79 25 - 150 13C2 10:2 FTS 68 25 - 150 13C-6:2 FTUCA 104 25 - 150 13C-8:2 FTCA 79 25 - 150 13C-8:2 FTUCA 109 25 - 150 Lab Sample ID: LCSD 140-72692/3-B Matrix: Air Analysis Batch: 72895 Analyte Perfluorobutanoic acid (PFBA) Perfluoropentanoic acid (PFPeA) Perfluorohexanoic acid (PFHxA) Spike Added 40.0 40.0 40.0 LCSD Result 34.54 33.54 37.48 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72692 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 86 60 - 140 1 30 ng/Sample 84 60 - 140 6 30 ng/Sample 94 60 - 140 2 30 Eurofins Knoxville Page 98 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72692/3-B Matrix: Air Analysis Batch: 72895 Analyte Perfluoroheptanoic acid (PFHpA) Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorodecanoic acid (PFDA) Perfluoroundecanoic acid (PFUnA) Perfluorododecanoic acid (PFDoA) Perfluorotridecanoic acid (PFTriA) Perfluorotetradecanoic acid (PFTeA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluoroheptanesulfonic acid (PFHpS) Perfluorooctanesulfonic acid (PFOS) Perfluorodecanesulfonic acid (PFDS) Perfluorooctanesulfonamide (FOSA) Perfluoropentanesulfonic acid (PFPeS) Perfluorononanesulfonic acid (PFNS) N-methylperfluorooctanesulfona midoacetic acid (NMeFOSAA) N-ethylperfluorooctanesulfonami doacetic acid (NEtFOSAA) 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) 1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS) Hexafluoropropylene Oxide Dimer Acid (HFPO-DA) 9-Chlorohexadecafluoro-3-oxan onane-1-sulfonic acid 11-Chloroeicosafluoro-3-oxaund ecane-1-sulfonic acid 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) 1H,1H,2H,2H-Perfluorododecane sulfonic acid (10:2 FTS) 2(N-ethylperfluoro-1-octanesulfon amido) ethanol Perfluoro-n-octadecanoic acid (PFODA) Spike Added 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 35.4 36.4 38.1 37.1 38.6 40.0 37.5 38.4 40.0 40.0 37.4 37.9 38.3 40.0 37.3 37.7 37.7 38.6 40.0 40.0 LCSD Result 34.10 33.47 33.81 36.30 36.21 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72692 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 85 60 - 140 2 30 ng/Sample 84 60 - 140 8 30 ng/Sample 85 60 - 140 4 30 ng/Sample 91 60 - 140 1 30 ng/Sample 91 60 - 140 2 30 37.04 ng/Sample 93 60 - 140 2 30 29.58 ng/Sample 74 60 - 140 3 30 41.78 ng/Sample 104 60 - 140 2 30 31.12 ng/Sample 88 60 - 140 3 30 32.33 ng/Sample 89 60 - 140 5 30 34.69 ng/Sample 91 60 - 140 1 30 32.61 ng/Sample 88 60 - 140 3 30 34.38 ng/Sample 89 60 - 140 10 30 36.42 ng/Sample 91 60 - 140 1 30 32.60 ng/Sample 87 60 - 140 2 30 34.61 ng/Sample 90 60 - 140 9 30 33.23 ng/Sample 83 60 - 140 7 30 32.24 ng/Sample 81 60 - 140 2 30 28.18 ng/Sample 75 60 - 140 14 30 31.22 ng/Sample 82 60 - 140 0 30 31.54 ng/Sample 82 60 - 140 2 30 36.95 ng/Sample 92 60 - 140 2 30 32.37 ng/Sample 87 60 - 140 5 30 31.24 ng/Sample 83 60 - 140 21 30 33.96 ng/Sample 90 60 - 140 5 30 28.64 ng/Sample 74 60 - 140 10 30 35.73 ng/Sample 89 60 - 140 0 30 32.00 ng/Sample 80 60 - 140 2 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 99 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Job ID: 140-31434-1 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) Lab Sample ID: LCSD 140-72692/3-B Matrix: Air Analysis Batch: 72895 Analyte 2(N-methylperfluoro-1-octanesulf onamido) ethanol N-methylperfluorooctane sulfonamide (NMeFOSA) N-ethylperfluorooctane sulfonamide (NEtFOSA) Perfluoro-n-hexadecanoic acid (PFHxDA) Perfluorododecanesulfonic acid (PFDoS) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) 10:2 Fluorotelomer carboxylic acid 6:2 Fluorotelomer carboxylic acid 7:3 Fluorotelomer carboxylic acid 6:2 Fluorotelemer unsaturated acid 8:2 Fluorotelomer carboxylic acid 8:2 Fluorotelemer unsaturated acid 5:3 Fluorotelomer carboxylic acid 3-Perfluoropropylpropanoic acid Perfluoro-3-methoxypropanoic acid (PFMPA) Perfluoro-4-methoxybutanoic acid (PFMBA) Perfluoro-4-ethylcyclohexanesul fonic acid Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) Isotope Dilution 13C2 PFDA 13C2 PFDoA 13C2 PFHxA 13C2 PFTeDA 13C2 PFUnA 13C3 HFPO-DA 13C3 PFBS 13C4 PFBA 13C2 PFHxDA 13C4 PFHpA 13C4 PFOA 13C4 PFOS 13C5 PFNA 13C5 PFPeA 13C8 FOSA 18O2 PFHxS d3-NMeFOSAA d5-NEtFOSAA LCSD %Recovery 84 82 85 63 86 87 84 84 69 90 95 84 89 89 70 83 93 93 LCSD Qualifier Spike Added 40.0 40.0 40.0 40.0 38.7 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0 36.9 35.6 Limits 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 25 - 150 LCSD Result 35.08 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Prep Batch: 72692 LCSD %Rec RPD Qualifier Unit D %Rec Limits RPD Limit ng/Sample 88 60 - 140 1 30 35.49 34.02 33.74 27.12 35.79 34.35 33.75 35.97 34.14 33.26 32.02 33.35 35.37 31.12 34.91 30.53 31.93 ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample ng/Sample 89 60 - 140 85 60 - 140 84 60 - 140 70 60 - 140 89 60 - 140 86 60 - 140 84 60 - 140 90 60 - 140 85 60 - 140 83 60 - 140 80 60 - 140 83 60 - 140 88 60 - 140 78 60 - 140 87 60 - 140 83 60 - 140 90 60 - 140 0 30 7 30 3 30 3 30 6 30 19 30 2 30 2 30 2 30 4 30 2 30 24 30 5 30 7 30 3 30 6 30 0 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Eurofins Knoxville Page 100 of 125 7/11/2023 (Rev. 1) QC Sample Results Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 1 Job ID: 140-31434-1 2 Method: 537 (modified) - Fluorinated Alkyl Substances (Continued) 3 Lab Sample ID: LCSD 140-72692/3-B Client Sample ID: Lab Control Sample Dup Matrix: Air Analysis Batch: 72895 4 Prep Type: Total/NA Prep Batch: 72692 5 Isotope Dilution LCSD LCSD %Recovery Qualifier Limits 6 d7-N-MeFOSE-M d9-N-EtFOSE-M 62 25 - 150 59 25 - 150 d-N-EtFOSA-M d-N-MeFOSA-M 63 25 - 150 62 25 - 150 7 M2-4:2 FTS M2-6:2 FTS 92 25 - 150 94 25 - 150 8 M2-8:2 FTS 13C-10:2 FTCA 88 25 - 150 68 25 - 150 9 13C-6:2 FTCA 13C2 10:2 FTS 13C-6:2 FTUCA 13C-8:2 FTCA 13C-8:2 FTUCA 91 25 - 150 89 25 - 150 109 25 - 150 88 25 - 150 118 25 - 150 10 11 12 13 14 15 Page 101 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Association Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 LCMS Prep Batch: 72552 Lab Sample ID 140-31434-2 140-31434-4 140-31434-6 140-31434-8 140-31434-10 140-31434-12 140-31434-14 140-31434-16 140-31434-18 140-31434-20 140-31434-21 140-31434-22 140-31434-25 MB 140-72552/14-B MB 140-72552/1-B LCS 140-72552/2-B LCSD 140-72552/3-B Client Sample ID W-1042,1043,1045 R1 OTM-45 BH Prep Type Total/NA W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1049,1050,1052 R2 OTM-45 BH Total/NA W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1056,1057,1059 R3 OTM-45 BH Total/NA W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1063,1064,1066 QC OTM-45 BH FBT Total/NA W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1070,1071,1073 QC OTM-45 BH PBT Total/NA W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Total/NA W-1076 QC OTM-45 MEOH/5% NH4OH RB Total/NA A-1550 OTM-45 MEDIA CHECK XAD Total/NA Method Blank Total/NA Method Blank Total/NA Lab Control Sample Total/NA Lab Control Sample Dup Total/NA Matrix Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Prep Batch: 72555 Lab Sample ID 140-31434-1 140-31434-5 140-31434-9 140-31434-13 140-31434-17 140-31434-23 140-31434-26 MB 140-72555/1-B LCS 140-72555/2-B LCSD 140-72555/3-B Client Sample ID W-1040,1041 R1 OTM-45 FH W-1047,1048 R2 OTM-45 FH W-1054,1055 R3 OTM-45 FH W-1061,1062 QC OTM-45 FH FBT W-1068,1069 QC OTM-45 FH PBT W-1077 QC OTM-45 FILTER RB A-1551 OTM-45 MEDIA CHECK FILTER Method Blank Lab Control Sample Lab Control Sample Dup Prep Type Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Matrix Air Air Air Air Air Air Air Air Air Air Cleanup Batch: 72588 Lab Sample ID 140-31434-1 140-31434-5 140-31434-9 140-31434-13 140-31434-17 140-31434-23 140-31434-26 MB 140-72555/1-B LCS 140-72555/2-B LCSD 140-72555/3-B Client Sample ID W-1040,1041 R1 OTM-45 FH W-1047,1048 R2 OTM-45 FH W-1054,1055 R3 OTM-45 FH W-1061,1062 QC OTM-45 FH FBT W-1068,1069 QC OTM-45 FH PBT W-1077 QC OTM-45 FILTER RB A-1551 OTM-45 MEDIA CHECK FILTER Method Blank Lab Control Sample Lab Control Sample Dup Prep Type Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Matrix Air Air Air Air Air Air Air Air Air Air Cleanup Batch: 72642 Lab Sample ID 140-31434-2 140-31434-4 140-31434-6 140-31434-8 140-31434-10 Client Sample ID W-1042,1043,1045 R1 OTM-45 BH Prep Type Total/NA W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1049,1050,1052 R2 OTM-45 BH Total/NA W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1056,1057,1059 R3 OTM-45 BH Total/NA Matrix Air Air Air Air Air Page 102 of 125 1 Job ID: 140-31434-1 2 3 Method None None None None None None None None None None None None None None None None None Prep Batch 4 5 6 7 8 9 10 11 12 Method None None None None None None None None None None 13 14 Prep Batch 15 Method Split Split Split Split Split Split Split Split Split Split Prep Batch 72555 72555 72555 72555 72555 72555 72555 72555 72555 72555 Method Split Split Split Split Split Prep Batch 72552 72552 72552 72552 72552 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Association Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 LCMS (Continued) Cleanup Batch: 72642 (Continued) Lab Sample ID 140-31434-12 140-31434-14 140-31434-16 140-31434-18 140-31434-20 140-31434-21 140-31434-22 140-31434-25 MB 140-72552/14-B MB 140-72552/1-B LCS 140-72552/2-B LCSD 140-72552/3-B Client Sample ID Prep Type W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1063,1064,1066 QC OTM-45 BH FBT Total/NA W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1070,1071,1073 QC OTM-45 BH PBT Total/NA W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Total/NA W-1076 QC OTM-45 MEOH/5% NH4OH RB Total/NA A-1550 OTM-45 MEDIA CHECK XAD Total/NA Method Blank Total/NA Method Blank Total/NA Lab Control Sample Total/NA Lab Control Sample Dup Total/NA Matrix Air Air Air Air Air Air Air Air Air Air Air Air Prep Batch: 72692 Lab Sample ID 140-31434-3 140-31434-7 140-31434-11 140-31434-15 140-31434-19 140-31434-24 MB 140-72692/1-B LCS 140-72692/2-B LCSD 140-72692/3-B Client Sample ID Prep Type W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENTSotal/NA W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENTSotal/NA W-1078 QC OTM-45 DI WATER RB Total/NA Method Blank Total/NA Lab Control Sample Total/NA Lab Control Sample Dup Total/NA Matrix Air Air Air Air Air Air Air Air Air Cleanup Batch: 72696 Lab Sample ID 140-31434-3 140-31434-7 140-31434-11 140-31434-15 140-31434-19 140-31434-24 MB 140-72692/1-B LCS 140-72692/2-B LCSD 140-72692/3-B Client Sample ID Prep Type W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENTSotal/NA W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENTSotal/NA W-1078 QC OTM-45 DI WATER RB Total/NA Method Blank Total/NA Lab Control Sample Total/NA Lab Control Sample Dup Total/NA Matrix Air Air Air Air Air Air Air Air Air Analysis Batch: 72895 Lab Sample ID 140-31434-1 140-31434-3 140-31434-5 140-31434-7 140-31434-9 140-31434-11 140-31434-13 140-31434-15 140-31434-17 140-31434-19 140-31434-23 140-31434-24 Client Sample ID W-1040,1041 R1 OTM-45 FH Prep Type Total/NA W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1047,1048 R2 OTM-45 FH Total/NA W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1054,1055 R3 OTM-45 FH Total/NA W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSTotal/NA W-1061,1062 QC OTM-45 FH FBT Total/NA W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENTSotal/NA W-1068,1069 QC OTM-45 FH PBT Total/NA W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENTSotal/NA W-1077 QC OTM-45 FILTER RB Total/NA W-1078 QC OTM-45 DI WATER RB Total/NA Matrix Air Air Air Air Air Air Air Air Air Air Air Air Page 103 of 125 1 Job ID: 140-31434-1 2 3 Method Split Split Split Split Split Split Split Split Split Split Split Split Prep Batch 4 5 72552 72552 6 72552 72552 72552 7 72552 72552 8 72552 72552 9 72552 72552 72552 10 Method None None None None None None None None None Prep Batch 11 12 13 14 15 Method Split Split Split Split Split Split Split Split Split Prep Batch 72692 72692 72692 72692 72692 72692 72692 72692 72692 Method 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) Prep Batch 72588 72696 72588 72696 72588 72696 72588 72696 72588 72696 72588 72696 Eurofins Knoxville 7/11/2023 (Rev. 1) QC Association Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 LCMS (Continued) Analysis Batch: 72895 (Continued) Lab Sample ID 140-31434-26 MB 140-72555/1-B MB 140-72692/1-B LCS 140-72555/2-B LCS 140-72692/2-B LCSD 140-72555/3-B LCSD 140-72692/3-B Client Sample ID A-1551 OTM-45 MEDIA CHECK FILTER Method Blank Method Blank Lab Control Sample Lab Control Sample Lab Control Sample Dup Lab Control Sample Dup Prep Type Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Matrix Air Air Air Air Air Air Air Analysis Batch: 73110 Lab Sample ID 140-31434-2 140-31434-4 140-31434-6 140-31434-8 140-31434-12 140-31434-14 140-31434-16 140-31434-18 140-31434-20 140-31434-21 140-31434-22 140-31434-25 MB 140-72552/14-B MB 140-72552/1-B LCS 140-72552/2-B LCSD 140-72552/3-B Client Sample ID W-1042,1043,1045 R1 OTM-45 BH Prep Type Total/NA W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1049,1050,1052 R2 OTM-45 BH Total/NA W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1063,1064,1066 QC OTM-45 BH FBT Total/NA W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1070,1071,1073 QC OTM-45 BH PBT Total/NA W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RETSoItNal/NA W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Total/NA W-1076 QC OTM-45 MEOH/5% NH4OH RB Total/NA A-1550 OTM-45 MEDIA CHECK XAD Total/NA Method Blank Total/NA Method Blank Total/NA Lab Control Sample Total/NA Lab Control Sample Dup Total/NA Matrix Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Cleanup Batch: 73155 Lab Sample ID 140-31434-2 140-31434-6 140-31434-10 Client Sample ID W-1042,1043,1045 R1 OTM-45 BH W-1049,1050,1052 R2 OTM-45 BH W-1056,1057,1059 R3 OTM-45 BH Prep Type Total/NA Total/NA Total/NA Matrix Air Air Air Analysis Batch: 73320 Lab Sample ID 140-31434-10 Client Sample ID W-1056,1057,1059 R3 OTM-45 BH Prep Type Total/NA Matrix Air Job ID: 140-31434-1 Method 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) Prep Batch 72588 72588 72696 72588 72696 72588 72696 Method 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) 537 (modified) Prep Batch 73155 72642 73155 72642 72642 72642 72642 72642 72642 72642 72642 72642 72642 72642 72642 72642 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Method Dilution Dilution Dilution Prep Batch 72642 72642 72642 Method 537 (modified) Prep Batch 73155 Page 104 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Lab Chronicle Client Sample ID: W-1040,1041 R1 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 40 mL 20 1 mL Final Amount 79 mL 10 mL 1 mL Client Sample ID: W-1042,1043,1045 R1 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Total/NA Batch Batch Dil Initial Final Type Method Run Factor Amount Amount Prep None 1 Sample 360 mL Cleanup Split 180 mL 10 mL Cleanup Dilution 100 uL 10000 uL Analysis 537 (modified) 1 1 mL 1 mL Instrument ID: LCA Client Sample ID: W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Dil Initial Type Method Run Factor Amount Prep None 0.83333 Cleanup Split Sample 10 mL Analysis 537 (modified) 1 1 mL Instrument ID: LCA Final Amount 10 mL 10 mL 1 mL Client Sample ID: W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i1r 3 4 Batch Prepared 5 Number 72555 or Analyzed Analyst 04/24/23 09:01 ACW Lab EET KNX 6 72588 72895 04/25/23 09:12 ACW 05/03/23 16:38 CAC EET KNX EET KNX 7 Lab Sample ID: 140-31434-2 Matrix: Air 8 Batch Number 72552 72642 73155 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 08:19 05/09/23 17:44 Analyst ACW ACW CAC CAC Lab EET KNX EET KNX EET KNX EET KNX 9 10 11 12 Lab Sample ID: 140-31434-3 13 Matrix: Air 14 Batch Number 72692 Prepared or Analyzed 04/27/23 11:24 Analyst ACW Lab EET KNX 15 72696 72895 04/27/23 15:23 ACW 05/03/23 14:49 CAC EET KNX EET KNX Lab Sample ID: 140-31434-4 Matrix: Air Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 15:04 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 105 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Lab Chronicle Client Sample ID: W-1047,1048 R2 OTM-45 FH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 33 mL 10 1 mL Final Amount 65 mL 10 mL 1 mL Client Sample ID: W-1049,1050,1052 R2 OTM-45 BH Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Total/NA Batch Batch Dil Initial Final Type Method Run Factor Amount Amount Prep None 1 Sample 360 mL Cleanup Split 180 mL 10 mL Cleanup Dilution 100 uL 10000 uL Analysis 537 (modified) 1 1 mL 1 mL Instrument ID: LCA Client Sample ID: W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Dil Initial Type Method Run Factor Amount Prep None 0.80645 Cleanup Split Sample 10 mL Analysis 537 (modified) 1 1 mL Instrument ID: LCA Final Amount 10 mL 10 mL 1 mL Client Sample ID: W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i5r 3 4 Batch Prepared 5 Number 72555 or Analyzed Analyst 04/24/23 09:01 ACW Lab EET KNX 6 72588 72895 04/25/23 09:12 ACW 05/03/23 16:47 CAC EET KNX EET KNX 7 Lab Sample ID: 140-31434-6 Matrix: Air 8 Batch Number 72552 72642 73155 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 08:19 05/09/23 15:12 Analyst ACW ACW CAC CAC Lab EET KNX EET KNX EET KNX EET KNX 9 10 11 12 Lab Sample ID: 140-31434-7 13 Matrix: Air 14 Batch Number 72692 Prepared or Analyzed 04/27/23 11:24 Analyst ACW Lab EET KNX 15 72696 72895 04/27/23 15:23 ACW 05/03/23 14:59 CAC EET KNX EET KNX Lab Sample ID: 140-31434-8 Matrix: Air Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 15:21 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 106 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Lab Chronicle Client Sample ID: W-1054,1055 R3 OTM-45 FH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 25 mL 10 1 mL Final Amount 50 mL 10 mL 1 mL Client Sample ID: W-1056,1057,1059 R3 OTM-45 BH Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Total/NA Batch Batch Dil Initial Final Type Method Run Factor Amount Amount Prep None 1 Sample 360 mL Cleanup Split 180 mL 10 mL Cleanup Dilution 166 uL 10000 uL Analysis 537 (modified) 1 1 mL 1 mL Instrument ID: LCA Client Sample ID: W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSATE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Dil Initial Type Method Run Factor Amount Prep None 0.81967 Cleanup Split Sample 10 mL Analysis 537 (modified) 1 1 mL Instrument ID: LCA Final Amount 10 mL 10 mL 1 mL Client Sample ID: W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE Date Collected: 04/19/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL 1 Job ID: 140-31434-1 2 Lab Sample ID: 140M-3a1tr4ix3:4A-i9r 3 4 Batch Prepared 5 Number 72555 or Analyzed Analyst 04/24/23 09:01 ACW Lab EET KNX 6 72588 72895 04/25/23 09:12 ACW 05/03/23 16:56 CAC EET KNX EET KNX 7 Lab Sample ID: 140-31434-10 Matrix: Air 8 Batch Number 72552 72642 73155 73320 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 08:19 05/17/23 09:03 Analyst ACW ACW CAC CAC Lab EET KNX EET KNX EET KNX EET KNX 9 10 11 12 Lab Sample ID: 140-31434-11 13 Matrix: Air 14 Batch Number 72692 Prepared or Analyzed 04/27/23 11:24 Analyst ACW Lab EET KNX 15 72696 72895 04/27/23 15:23 ACW 05/03/23 15:08 CAC EET KNX EET KNX Lab Sample ID: 140-31434-12 Matrix: Air Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 15:39 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 107 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Lab Chronicle Client Sample ID: W-1061,1062 QC OTM-45 FH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 25 mL 1 1 mL Final Amount 50 mL 10 mL 1 mL Client Sample ID: W-1063,1064,1066 QC OTM-45 BH FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL Client Sample ID: W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 10 mL 1 1 mL Final Amount 10 mL 10 mL 1 mL Client Sample ID: W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL Client Sample ID: W-1068,1069 QC OTM-45 FH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 25 mL 1 1 mL Final Amount 50 mL 10 mL 1 mL 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i3r 3 4 Batch Prepared 5 Number 72555 or Analyzed Analyst 04/24/23 09:01 ACW Lab EET KNX 6 72588 72895 04/25/23 09:12 ACW 05/03/23 17:04 CAC EET KNX EET KNX 7 Lab Sample ID: 140-31434-14 Matrix: Air 8 Batch Number 72552 Prepared or Analyzed 04/24/23 08:34 Analyst ACW Lab EET KNX 9 10 72642 73110 04/26/23 12:55 ACW 05/09/23 15:48 CAC 11 EET KNX EET KNX 12 Lab Sample ID: 140-31434-15 13 Matrix: Air 14 Batch Number 72692 72696 72895 Prepared or Analyzed 04/27/23 11:24 04/27/23 15:23 05/03/23 15:16 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX 15 Lab Sample ID: 140-31434-16 Matrix: Air Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 16:14 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Lab Sample ID: 140-31434-17 Matrix: Air Batch Number 72555 72588 72895 Prepared or Analyzed 04/24/23 09:01 04/25/23 09:12 05/03/23 17:13 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 108 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Lab Chronicle Client Sample ID: W-1070,1071,1073 QC OTM-45 BH PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL Client Sample ID: W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 10 mL 1 1 mL Final Amount 10 mL 10 mL 1 mL Client Sample ID: W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL Client Sample ID: W-1075 QC OTM-45 XAD-2 RESIN TUBE RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL Client Sample ID: W-1076 QC OTM-45 MEOH/5% NH4OH RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 25 mL 1 1 mL Final Amount 50 mL 10 mL 1 mL 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A1i8r 3 4 Batch Prepared 5 Number 72552 or Analyzed Analyst 04/24/23 08:34 ACW Lab EET KNX 6 72642 73110 04/26/23 12:55 ACW 05/09/23 16:23 CAC EET KNX EET KNX 7 Lab Sample ID: 140-31434-19 8 Matrix: Air 9 Batch Number 72692 72696 72895 Prepared or Analyzed 04/27/23 11:24 04/27/23 15:23 05/03/23 15:25 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX 10 11 12 Lab Sample ID: 140-31434-20 13 Batch Number 72552 72642 73110 Matrix: Air Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 16:32 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX 14 15 Lab Sample ID: 140-31434-21 Matrix: Air Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 16:50 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Lab Sample ID: 140-31434-22 Matrix: Air Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 16:58 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 109 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Lab Chronicle Client Sample ID: W-1077 QC OTM-45 FILTER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 25 mL 1 1 mL Final Amount 50 mL 10 mL 1 mL Client Sample ID: W-1078 QC OTM-45 DI WATER RB Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 10 mL 1 1 mL Final Amount 10 mL 10 mL 1 mL Client Sample ID: A-1550 OTM-45 MEDIA CHECK XAD Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL 1 Job ID: 140-31434-1 2 Lab Sample ID: 140-3M1a4tr3ix4:-A2i3r 3 4 Batch Prepared 5 Number 72555 or Analyzed Analyst 04/24/23 09:01 ACW Lab EET KNX 6 72588 72895 04/25/23 09:12 ACW 05/03/23 17:22 CAC EET KNX EET KNX 7 Lab Sample ID: 140-31434-24 Matrix: Air 8 Batch Number 72692 Prepared or Analyzed 04/27/23 11:24 Analyst ACW Lab EET KNX 9 10 72696 72895 04/27/23 15:23 ACW 05/03/23 15:34 CAC 11 EET KNX EET KNX 12 Lab Sample ID: 140-31434-25 Matrix: Air 13 Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 17:07 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX 14 15 Client Sample ID: A-1551 OTM-45 MEDIA CHECK FILTER Date Collected: 04/18/23 00:00 Date Received: 04/19/23 17:45 Lab Sample ID: 140-31434-26 Matrix: Air Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 25 mL 1 1 mL Final Amount 50 mL 10 mL 1 mL Batch Number 72555 72588 72895 Prepared or Analyzed 04/24/23 09:01 04/25/23 09:12 05/03/23 17:31 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Client Sample ID: Method Blank Date Collected: N/A Date Received: N/A Lab Sample ID: MB 140-72552/14-B Matrix: Air Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Dil Initial Run Factor Amount 1 Sample 180 mL 1 1 mL Final Amount 360 mL 10 mL 1 mL Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 16:41 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 110 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: Method Blank Date Collected: N/A Date Received: N/A Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Run Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Client Sample ID: Method Blank Date Collected: N/A Date Received: N/A Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Run Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Client Sample ID: Method Blank Date Collected: N/A Date Received: N/A Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Run Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Client Sample ID: Lab Control Sample Date Collected: N/A Date Received: N/A Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Run Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Client Sample ID: Lab Control Sample Date Collected: N/A Date Received: N/A Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Run Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Lab Chronicle 1 Job ID: 140-31434-1 2 Lab Sample ID: MB 140-7M25a5tr2ix/:1A-Bir 3 Dil Factor 1 Initial Amount 1 Sample 180 mL 1 mL 4 Final Batch Prepared 5 Amount 360 mL Number 72552 or Analyzed Analyst 04/24/23 08:34 ACW Lab EET KNX 6 10 mL 1 mL 72642 73110 04/26/23 12:55 ACW 05/09/23 14:28 CAC EET KNX EET KNX 7 Lab Sample ID: MB 140-72555/1-B Matrix: Air 8 Dil Factor 1 Initial Amount 1 Sample 25 mL 1 mL Final Amount 50 mL Batch Number 72555 Prepared or Analyzed 04/24/23 09:01 Analyst ACW Lab EET KNX 9 10 10 mL 1 mL 72588 72895 04/25/23 09:12 ACW 05/03/23 16:11 CAC 11 EET KNX EET KNX 12 Lab Sample ID: MB 140-72692/1-B Matrix: Air 13 Dil Factor 1 Initial Amount .25 Sample 10 mL 1 mL Final Amount 10 mL 10 mL 1 mL Batch Number 72692 72696 72895 Prepared or Analyzed 04/27/23 11:24 04/27/23 15:23 05/03/23 14:22 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX 14 15 Lab Sample ID: LCS 140-72552/2-B Matrix: Air Dil Factor 1 Initial Amount 1 Sample 180 mL 1 mL Final Amount 360 mL 10 mL 1 mL Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 14:37 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Lab Sample ID: LCS 140-72555/2-B Matrix: Air Dil Factor 1 Initial Amount 1 Sample 25 mL 1 mL Final Amount 50 mL 10 mL 1 mL Batch Number 72555 72588 72895 Prepared or Analyzed 04/24/23 09:01 04/25/23 09:12 05/03/23 16:20 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Page 111 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Client Sample ID: Lab Control Sample Date Collected: N/A Date Received: N/A Lab Chronicle Job ID: 140-31434-1 Lab Sample ID: LCS 140-72692/2-B Matrix: Air Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Run Dil Factor 1 Initial Amount .25 Sample 10 mL 1 mL Final Amount 10 mL 10 mL 1 mL Batch Number 72692 72696 72895 Prepared or Analyzed 04/27/23 11:24 04/27/23 15:23 05/03/23 14:31 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Client Sample ID: Lab Control Sample Dup Date Collected: N/A Date Received: N/A 7 Batch Batch Dil Prep Type Type Method Run Factor Total/NA Prep None Total/NA Cleanup Split Total/NA Analysis 537 (modified) 1 Instrument ID: LCA Initial Amount 1 Sample 180 mL 1 mL Lab Sample ID: LCSD 140-72552/3-B Matrix: Air Final Amount 360 mL 10 mL 1 mL Batch Number 72552 72642 73110 Prepared or Analyzed 04/24/23 08:34 04/26/23 12:55 05/09/23 14:46 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Client Sample ID: Lab Control Sample Dup Date Collected: N/A Date Received: N/A Lab Sample ID: LCSD 140-72555/3-B Matrix: Air Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Run Dil Factor 1 Initial Amount 1 Sample 25 mL 1 mL Final Amount 50 mL 10 mL 1 mL Batch Number 72555 72588 72895 Prepared or Analyzed 04/24/23 09:01 04/25/23 09:12 05/03/23 16:29 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Client Sample ID: Lab Control Sample Dup Date Collected: N/A Date Received: N/A Lab Sample ID: LCSD 140-72692/3-B Matrix: Air Prep Type Total/NA Total/NA Total/NA Batch Batch Type Method Prep None Cleanup Split Analysis 537 (modified) Instrument ID: LCA Run Dil Factor 1 Initial Amount .25 Sample 10 mL 1 mL Final Amount 10 mL 10 mL 1 mL Batch Number 72692 72696 72895 Prepared or Analyzed 04/27/23 11:24 04/27/23 15:23 05/03/23 14:40 Analyst ACW ACW CAC Lab EET KNX EET KNX EET KNX Laboratory References: EET KNX = Eurofins Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL Page 112 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Accreditation/Certification Summary Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Laboratory: Eurofins Knoxville All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report. Job ID: 140-31434-1 Authority ANAB ANAB ANAB Arkansas DEQ California Colorado Connecticut Florida Georgia (DW) Hawaii Kansas Kentucky (DW) Louisiana Louisiana (All) Louisiana (DW) Maryland Michigan Nevada New Hampshire New Jersey New York North Carolina (DW) North Carolina (WW/SW) Ohio VAP Oklahoma Oregon Pennsylvania Tennessee Texas US Fish & Wildlife USDA Utah Virginia Washington West Virginia (DW) West Virginia DEP Wisconsin Program AFCEE Dept. of Defense ELAP Dept. of Energy ISO/IEC 17025 State State State State NELAP State State NELAP State NELAP NELAP State State State State NELAP NELAP NELAP State State State State NELAP NELAP State NELAP US Federal Programs US Federal Programs NELAP NELAP State State State State Identification Number N/A L2311 L2311.01 L2311 88-0688 2423 TN00009 PH-0223 E87177 906 NA E-10349 90101 83979 83979 LA019 277 9933 TN00009 2999 TN001 10781 21705 64 CL0059 9415 TNI0189 68-00576 02014 T104704380-22-17 058448 525-22-279-18762 TN00009 460176 C593 9955C 345 998044300 Expiration Date 02-13-25 02-13-25 02-13-25 06-16-23 06-30-23 02-29-24 09-30-23 06-30-23 07-27-25 07-27-23 10-31-23 12-31-23 06-30-23 06-30-23 12-31-23 03-31-24 07-27-25 07-31-23 01-17-24 06-20-23 03-31-24 07-31-23 12-31-23 06-02-23 08-31-23 01-01-24 12-01-23 07-27-25 08-31-23 07-31-23 10-06-25 07-31-23 09-14-23 01-19-24 12-31-23 04-30-24 08-31-23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 113 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Method Summary Method 537 (modified) Dilution None None None Split Method Description Fluorinated Alkyl Substances Dilution and Re-fortification of Standards Leaching Procedure Leaching Procedure for Condensate Leaching Procedure for Filter Source Air Split Protocol References: EPA = US Environmental Protection Agency None = None TAL SOP = TestAmerica Laboratories, Standard Operating Procedure Laboratory References: EET KNX = Eurofins Knoxville, 5815 Middlebrook Pike, Knoxville, TN 37921, TEL Job ID: 140-31434-1 Protocol EPA None TAL SOP TAL SOP TAL SOP None Laboratory EET KNX EET KNX EET KNX EET KNX EET KNX EET KNX Page 114 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Client: Zeus Industrial Products Inc Project/Site: Zeus Industrial Products - OTM-45 Sample Summary Lab Sample ID 140-31434-1 140-31434-2 140-31434-3 140-31434-4 140-31434-5 140-31434-6 140-31434-7 140-31434-8 140-31434-9 140-31434-10 140-31434-11 140-31434-12 140-31434-13 140-31434-14 140-31434-15 140-31434-16 140-31434-17 140-31434-18 140-31434-19 140-31434-20 140-31434-21 140-31434-22 140-31434-23 140-31434-24 140-31434-25 140-31434-26 Client Sample ID W-1040,1041 R1 OTM-45 FH W-1042,1043,1045 R1 OTM-45 BH W-1044 R1 OTM-45 IMPINGERS 1,2&3 CONDENSATE W-1046 R1 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE W-1047,1048 R2 OTM-45 FH W-1049,1050,1052 R2 OTM-45 BH W-1051 R2 OTM-45 IMPINGERS 1,2&3 CONDENSATE W-1053 R2 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE W-1054,1055 R3 OTM-45 FH W-1056,1057,1059 R3 OTM-45 BH W-1058 R3 OTM-45 IMPINGERS 1,2&3 CONDENSATE W-1060 R3 OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE W-1061,1062 QC OTM-45 FH FBT W-1063,1064,1066 QC OTM-45 BH FBT W-1065 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE FBT W-1067 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE FBT W-1068,1069 QC OTM-45 FH PBT W-1070,1071,1073 QC OTM-45 BH PBT W-1072 QC OTM-45 IMPINGERS 1,2&3 CONDENSATE PBT W-1074 QC OTM-45 BREAKTHROUGH XAD-2 RESIN TUBE PBT W-1075 QC OTM-45 XAD-2 RESIN TUBE RB W-1076 QC OTM-45 MEOH/5% NH4OH RB W-1077 QC OTM-45 FILTER RB W-1078 QC OTM-45 DI WATER RB A-1550 OTM-45 MEDIA CHECK XAD A-1551 OTM-45 MEDIA CHECK FILTER Matrix Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Collected 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 Received 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/18/23 00:00 04/19/23 17:45 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/18/23 00:00 04/19/23 17:45 04/19/23 00:00 04/19/23 00:00 04/19/23 00:00 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/19/23 00:00 04/19/23 17:45 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/18/23 00:00 04/19/23 17:45 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/18/23 00:00 04/19/23 17:45 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/18/23 00:00 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 04/19/23 17:45 1 Job ID: 140-31434-1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 115 of 125 Eurofins Knoxville 7/11/2023 (Rev. 1) Request for Analysis/Chain-of-Custody - RFA/COC #001 Zeus Industrial Products PFAS Testing in Source Emissions .::7:eurofins Environment Testing TestAmerica Project Identification: Client Name: Client Contact: Zeus Zeus Industrial Products Chris Given Laboratory Deliverable Turnaround Requirements: Analytical Due Date: 21 Days from Lab Receipt (Review-Released Data) TestAmerica Project Manager: TestAmerica Program Manager: Ms. Courtney Adkins Office: Mr. Billy Anderson Office: Cell: Data Package Due Date: 28 Days from Lab Receipt Analytical Testing QC Requirements: The Legend for Project-Specific Quality Control Testing is designated in the "QC" column as follows: "BT = Blank Train, "RB" = Reagent Blank, "MS" = Matrix Spike, "MSD" = Matrix Spike Duplicate, "DUP" = Duplicate, "PBT" = Proof Blank Train, "TB" = Trip Blank Laboratory Destination: Lab Phone Number: Courier: Eurofins TestAmerica 5815 Middlebrook Pike Knoxville, TN 37921 (865) 291-3000 FedEx Project Deliverables: Report analytical results on TALS Report form Std_Tal_L4. Include "Field Sample Number", "Sample Type", and "Run Number" on all TALS Reports. Analytical Parameter: PFAS Compounds Holding Time Requirements: 14 Days to Extraction; 40 Days to Analysis Field Sample No./Sample Coding ID W-1040 R1 OTM-45 Filter (Combine with W-1041) W-1041 R1 OTM-45 FH of Filter Holder & Probe MeOH Rinse (Combine with W-1040) W-1042 R1 OTM-45 XAD-2 Resin Tube Run No. 1 Sample Collection Date Project QC Requirements ,-21Pm52aL5 Y1 7,- Sample Bottle/ Container HDPE WideMouth Bottle 1 1 11111111111111 140-31434 Chain of Custody Sample Type/Analysis rticulate Filter (82.6 mm Whatman Glass Microfiber) Analytical Specifications Knoxville: Use the Front-Half Probe Rinse to assist the solvent extraction of the Particulate Filter sample. OTM-45 Train PFAS Analyses Analyze for the Method 537 Targeted Analyte List at the Knoxville Lab. 1 iNt -02/ 2v.- 125 mL HDPE WideMouth Bottle Front Half of Filter Holder & Probe Methanol/5% Ammonium Hydroxide Rinse Knoxville: Use this solvent sample in the Particulate Filter extraction. OTM-45 Train 1 I/ ,ff,...07/ /%1 XAD-2 Resin Tube PFAS Analyses XAD-2 Resin Tube OTM-45 Train PFAS Analyses Knoxville: Use the Back-Half Glassware Rinse and the Impinger Glassware Methanol Rinse to assist the solvent extraction of the XAD-2 resin sample. Analyze for the Method 537 Targeted Analyte List at the Knoxville Lab. O.1Users Folders\LedesmaA\2 ACS PROJECT F/LES\Zeus By BarrIRFA 001_Method OTM-45.docx Last saved by Courtney Adkins Last printed 4/10/2023 4..56 PM Page 116 of 125 Page 1 of 9 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 117 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 118 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 119 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 120 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 121 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 122 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 123 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 124 of 125 7/11/2023 (Rev. 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 125 of 125 7/11/2023 (Rev. 1) Appendix D Calibration Data Routine Dry Gas Meter Calibration Control Module: C-17 Leak checks DGM S/N : 22071021 Negative 0.0 Date : 4/13/2023 Positive : 0.0 Technician : DAH Orifice Diff Pressure, in. W.C. Nominal 0.50 Actual 0.50 Wet Test Volume, Ft3 Initial 8573.50 Final 8578.50 Total 5.00 Nominal 1.00 Actual 1.00 Initial 8568.00 Final 8573.00 Total 5.00 Nominal 2.00 Actual 2.00 Initial 8556.00 Final 8561.00 Total 5.00 Nominal 3.00 Actual 3.00 Initial 8562.00 Final 8567.00 Total 5.00 Nominal 4.00 Actual 4.00 Initial 8580.00 Final 8590.00 Total 10.00 Dry Gas Meter Wet Test Temp, F Meter Inlet Outlet Temp, F Initial 73.0 Final 73.0 Average 73.0 73.0 Initial 73.0 Final 73.0 Average 73.0 Tm Initial 72.0 Final 72.0 Average 72.0 Initial 72.0 Final 73.0 Average 72.5 72.5 Initial 72.0 Final 73.0 Average 72.5 Tm Initial 72.0 Final 72.0 Average 72.0 Initial 71.0 Final 71.0 Average 71.0 71.0 Initial 71.0 Final 71.0 Average 71.0 Tm Initial 72.0 Final 72.0 Average 72.0 Initial 71.0 Final 72.0 Average 71.5 71.5 Initial 71.0 Final 72.0 Average 71.5 Tm Initial 72.0 Final 72.0 Average 72.0 Initial 73.0 Final 74.0 Average 73.5 73.5 Initial 73.0 Final 74.0 Average 73.5 Tm Initial 73.0 Final 73.0 Average 73.0 Dry Gas Volume Ft3 Initial 49.540 Final 54.510 Total 4.970 Initial 44.040 Final 49.040 Total 5.000 Initial 32.030 Final 37.020 Total 4.990 Initial 38.030 Final 43.040 Total 5.010 Initial 56.010 Final 66.050 Total 10.040 Reviewed By: 15 in. Hg > 5 in. W.C Barometric Press. : Previous Y : Previous dH@ : 28.77 0.9935 1.7544 Elapsed Time of Cal. Point Meter Coefficient Y . Orifice Coefficient dH@ Minutes Sec. 12 25.6 Minutes 12.43 1.0066 1.8184 Minutes 8 Sec. 48.44 8.81 0.9984 1.8285 Minutes 6 Sec. 13.06 6.22 0.9950 1.8278 Minutes Sec. 5 6.65 5.11 0.9895 1.8507 Minutes Sec. 8 52.3 8.87 Average 0.9869 0.9953 1.8588 1.8368 Zeus Company,Inc Orangeburg,SC Barr Engineering Co. July 12, 2023 Emission Measurement Center (EMC) Approved Alternate Method (ALT-009) Alternative Method 5 Post-Test Calibration Extruder Exhaust () Control Module C-17 Input Data Test date Test period Total run time Total sample volume measured by dry gas meter Average dry gas meter temp Absolute average dry gas meter temp Barometric pressure Conversion factor (29.92/528)(0.75)2 Average orifice meter differential Orifice meter calibration coefficient Dry molecular weight of stack gas Dry molecular weight of air Specific gravity of mercury Average of the Sq. Root of the H's Symbol t Vm Tm Tm Pb -- Havg H@ Md ----(H)avg Units - min acf F R inches Hg (in Hg/R) cfm2 in. H2O in. H2O lb/lb-mole lb/lb-mole Dimensionless --- Run 1 4/18/2023 844 - 1148 180 116.2 68.1 527.8 29.8 0.0319 1.34 1.84 28.88 29.00 13.60 1.15 Run 2 4/18/2023 1230 - 1534 180 117.0 76.1 535.8 29.8 0.0319 1.35 1.84 28.84 29.00 13.60 1.16 Dry gas meter calibration check value Dry gas meter calibration factor Yqa Dimensionless 0.9907 0.9972 Y Dimensionless 0.9953 0.9953 Average of Yqa's from test run series Dry gas meter calibration factor % difference between average Yqa's and Y (must be within 5%) 0.9951 0.9953 0.02% Run 3 4/19/2023 813 - 1115 180 119.7 70.9 530.5 29.9 0.0319 1.44 1.84 28.84 29.00 13.60 1.19 0.9975 0.9953 Meter Pyrometer Calibration Meter I.D. C-17 Temperature Calibrator Used CL-3512-A #2 Date 12/22/2022 Technician BSL Thermocouple I.D. T.C. 1 T.C. 2 T.C. 3 T.C. 4 T.C. 5 Acceptable ** If not within Acceptable Range, Reference F Range unit not to be used within range at which failure occurred. 1950 1932 to 1968 1956 1956 1400 1387 to 1413 1402 1403 1000 990 to 1010 1005 1005 600 593 to 607 602 602 300 295 to 305 301 301 301 301 100 96 to 104 99 99 99 99 98 50 47 to 53 49 49 49 49 49 0 -3 to 3 0 0 0 Pass/Fail based on +/- 0.75% of Rankine value Fail indicated by cell highlighting Reviewed By: T.C. 6 Meter out 1956 1403 1005 602 301 301 98 99 49 49 0 0 THERMOCOUPLE CALIBRATION REFERENCE STANDARDS Cal Date: TRACEABILITY THERMOCOUPLE ID 2-1 4/13/2023 Method 5 Probe CALIBRATION TECHNICIAN: BAW DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-31 Temperature Calibration Points 50 250 Reference Deg F (To) Probe Temp (deg F) Reference Temp (deg R) deg F + 460 Probe Temp (deg R), deg F + 460 Difference (degrees) % Diff Abs. T Is difference less than 1.5% at all measured points? 50 50 510 510 0 0.0% YES 250 250 710 710 0 0.0% 11/17/2022 11/17/2022 650 651 650 1111 1110 1 0.1% NBS Calibrations NBS Calibrations THERMOCOUPLE TEMPERATURE, deg.R 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 400 THERMOCOUPLE CALIBRATION THERMOCOUPLE ID 2-1 Regression R Squared = 1 Calibration Curve - Unit Under Test Upper Limit of Calibration Lower Limit of Calibration Extrapolated Calibration Curve 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 REFERENCE TEMPERATURE, deg.R Are extrapolated limits less than 1.5%? YES FAHRENHEIT CALIBRATION RANGE -20 1200 If not acceptable, describe corrective action: Reviewed by: THERMOCOUPLE CALIBRATION Meter In/out Cal Date: 1/5/2023 THERMOCOUPLE ID CALIBRATION TECHNICIAN: C-17 RCW4 REFERENCE STANDARDS TRACEABILITY DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-27 11/17/2022 11/17/2022 NBS Calibrations NBS Calibrations Temperature Calibration Points 32 70 150 Reference Deg F (To) 32 70 150 Probe Temp (deg F) 32.8 70.0 149.0 Difference (degrees) 0.8 0.0 1.0 TC Meets Method 5 Specifications: ( 2.0 F) YES YES YES Reviewed by: THERMOCOUPLE CALIBRATION M23 Sorbent TC Cal Date: THERMOCOUPLE ID 1/6/2023 CALIBRATION TECHNICIAN: M23-4 BSL REFERENCE STANDARDS TRACEABILITY DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 11/17/2022 11/17/2022 NBS Calibrations Temperature Calibration Points 32 70 150 Reference Deg F (To) 32 70 150 Probe Temp (deg F) Difference (degrees) 33.4 70.8 150.8 1.4 0.8 0.8 TC Meets Method 5 Specifications: ( 2.0 F) YES YES YES Reviewed by: THERMOCOUPLE CALIBRATION M23 Sorbent TC Cal Date: THERMOCOUPLE ID 1/6/2023 CALIBRATION TECHNICIAN: M23-5 BSL REFERENCE STANDARDS TRACEABILITY DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 11/17/2022 11/17/2022 NBS Calibrations Temperature Calibration Points 32 70 150 Reference Deg F (To) 32 70 150 Probe Temp (deg F) Difference (degrees) 33.4 70.8 150.8 1.4 0.8 0.8 TC Meets Method 5 Specifications: ( 2.0 F) YES YES YES Reviewed by: THERMOCOUPLE CALIBRATION M23 Sorbent TC Cal Date: THERMOCOUPLE ID 1/6/2023 CALIBRATION TECHNICIAN: M23-11 BSL REFERENCE STANDARDS TRACEABILITY DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 11/17/2022 11/17/2022 NBS Calibrations Temperature Calibration Points 32 70 150 Reference Deg F (To) 32 70 150 Probe Temp (deg F) Difference (degrees) 33.1 70.9 150.8 1.1 0.9 0.8 TC Meets Method 5 Specifications: ( 2.0 F) YES YES YES Reviewed by: THERMOCOUPLE CALIBRATION M23 Sorbent TC Cal Date: THERMOCOUPLE ID 1/6/2023 CALIBRATION TECHNICIAN: M23-14 BSL REFERENCE STANDARDS TRACEABILITY DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 11/17/2022 11/17/2022 NBS Calibrations Temperature Calibration Points 32 70 150 Reference Deg F (To) 32 70 150 Probe Temp (deg F) Difference (degrees) 32.5 70.8 149.6 0.5 0.8 0.4 TC Meets Method 5 Specifications: ( 2.0 F) YES YES YES Reviewed by: THERMOCOUPLE CALIBRATION REFERENCE STANDARDS M5 Filter Outlet TC Cal Date: TRACEABILITY THERMOCOUPLE ID 1/6/2023 CALIBRATION TECHNICIAN: M5 FO 6 BSL DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 Temperature Calibration Points 50 250 Reference Deg F (To) 50 250 Probe Temp (deg F) 52 250 Difference (degrees) abs 2.0 0.0 Is All Difference less than 5.4 Degrees F? YES Pass Calibration? Reviewed by: 11/17/2022 11/17/2022 400 400 399 1.0 NBS Calibrations NBS Calibrations THERMOCOUPLE CALIBRATION REFERENCE STANDARDS M5 Filter Outlet TC Cal Date: TRACEABILITY THERMOCOUPLE ID 1/6/2023 CALIBRATION TECHNICIAN: M5 FO 9 BSL DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 Temperature Calibration Points 50 250 Reference Deg F (To) 50 250 Probe Temp (deg F) 50 249 Difference (degrees) abs 0.0 1.0 Is All Difference less than 5.4 Degrees F? YES Pass Calibration? Reviewed by: 11/17/2022 11/17/2022 400 400 397 3.0 NBS Calibrations NBS Calibrations THERMOCOUPLE CALIBRATION Impinger Outlet THERMOCOUPLE ID Cal Date: 1/16/2023 CALIBRATION TECHNICIAN: TIO-9122 BSL REFERENCE STANDARDS TRACEABILITY DATE LABORATORY Hart Scientific 9130-A s/n A1B289 Fluke 9144 s/n B5A044 Pyrometer ID Report No. T22-1117-TN-25 Report No. T22-1117-TN-24 D-16 Temperature Calibration Points 32 70 Reference Deg F (To) Probe Temp (deg F) Difference (degrees) TC Meets Method 5 Specifications: ( 2.0 F) 32 33.1 1.1 YES 70 70.5 0.5 YES 11/17/2022 11/17/2022 150 150 150.2 0.2 YES NBS Calibrations NBS Calibrations Reviewed by: Zeus Company,Inc Orangeburg,SC Nozzle Calibration Extruder Exhaust () Barr Engineering Co. July 12, 2023 Nozzle Calibration Nozzle No. Glass Point Measurement, inches 1 0.250 2 0.250 3 0.250 Average 0.250 Used for Runs: 1 - 3 Test Date 4/18/2023 Date Measured: 4/18/2023 Technician: TMR Zeus Company,Inc Orangeburg,SC Method 4 Balance Check Extruder Exhaust () EPA Method 4 Balance Check Class II Weight Amount = Balance Response= Difference Pass 1000.0 999.7 0.3 PASS Test Date Date Measured: Technician: 4/18/2023 4/18/2023 TMR Barr Engineering Co. July 12, 2023 Date 4/13/23 6/5/23 Field Barometer Calibration Calibration to PRINCO Mercury Barometer Barr Engineering Co. Edina Field Office Reference, PRINCO Field Barometer Technician TMR TMR Observation Time 1441 1500 Station Pressure 28.71 29.21 ID BA-04 BA-04 Barometric Pressure 28.70 29.20 Condition In Calibration In Calibration Remarks AS found As Found Offset tolerance +/- 0.10 -0.01 -0.01 Appendix E Project Participants and Contact Information Project Participants and Contact Information Zeus Industrial Products, Inc. Chris Given -- Environmental and Sustainability Manager Barr Engineering Co. Tim Russell -- Vice President/Senior Chemical Engineer Ben Wiltse -- Project Manager Ruby Walden -- Air Quality Technician CONTACT INFORMATION Zeus Industrial Products, Inc. Chris Given Environmental and Sustainability Manager Zeus Industrial Products, Inc. 3737 Industrial Blvd Oran ebur SC 29118 zeusinc.com Barr Engineering Co. Tim Russell Vice President/Senior Chemical Engineer Barr Engineering Co. 4300 MarketPointe Drive, Suite 200 Minnea olis MN 55435 barr.com