Environmental Protection Agency Thuan Tran, Lead Inspector 732-321-4455 and email: tran.thuan@epa.gov Jose Rivera, Clean Water Act Team Leader Jaime Lopez, Senior Enforcement Officer/Physical Scientist PREPA - San Juan Power Plant See Attached "Sampling Inspections - EPA" Sign-In Sheet Puerto Rico Department of Natural and Environmental Resources (PRDNER) See Attached "Sampling Inspections - EPA" Sign-In Sheet 3.0 FACILITY DESCRIPTION 3.1 General Information Puerto Rico Electric and Power Authority (PREPA) - San Juan Power Plant is located on the north coast of Puerto Rico at State Road No. 28, Puerto Nuevo, San Juan, Puerto Rico.

Facility/Site Description Region 5 lead inspector confirmed the following Facility information: The General James M.

PFAS-Containing Materials Used in Semiconductor Manufacturing Assembly Test Packaging and Substrate Processes Semiconductor PFAS Consortium Assembly, Test, Packaging and Substrates Working Group June 2, 2023 Acknowledgments: The PFAS Consortium would like to acknowledge the contributions of the consortium's Assembly, Test, Packaging and Substrates (ATPS) Technical Working Group for their efforts to compile this information.

EPA Region 5 Lead Inspector presented credentials to Scioto County Engineers: Ryan Smith, and Jonathan McKenzie; and informed them that this was an EPA Region 5 inspection to determine compliance as authorized by Clean Water Act (CWA) Section 308 and implementing regulations.

HONEYWELL ADVANCED LIMITED RIVERVIEW HOUSE HARVEY'S QUAY APARTMENTS LIMERICK V94R3DE IRELAND 22 September 2023 PFAS REACH Annex XV Restriction Report 1ST Public Consultation (22 March - 25 September 2023) Heat pumps sub-uses of fluorinated refrigerants - information and requests for exclusion/derogation from the PFAS REACH Restriction Proposal Contents Executive Summary ...................................................................................................................................... 2 1.

PFAS-Containing Materials Used in Semiconductor Manufacturing Assembly Test Packaging and Substrate Processes Semiconductor PFAS Consortium Assembly, Test, Packaging and Substrates Working Group June 2, 2023 Acknowledgments: The PFAS Consortium would like to acknowledge the contributions of the consortium's Assembly, Test, Packaging and Substrates (ATPS) Technical Working Group for their efforts to compile this information.

24 May 2023 /Alliance for Telomer Chemistry Stewardship Alliance for Telomer Chemistry Stewardship's Response to the Public Consultation on Restriction Proposal on all PFAS Part II -- Specific Information Requests Contact Person: Shawn Swearingen, American Chemistry Council E-mail: @americanchemistry.com 24 May 2023 Contents Specific Information Requests..................................................................................1 Question 1: Sectors and (sub-)uses. ............................................................................1 Question 2: Emissions in the end-of-life phase ..........................................................2 Sector: TULAC ......................................................................................................... 2 Question 3: Emissions in the end-of-life phase. .........................................................5 Question 5: Proposed derogations - Tonnage and emissions .................................6 Sector: TULAC ......................................................................................................... 6 Question 6: Missing uses - Analysis of alternatives and socio-economic analysis ........................................................................................................................................... 8 Sector: TULAC ......................................................................................................... 8 Question 7: Potential derogations marked for reconsideration - Analysis of alternatives and socio-economic analysis................................................................. 18 Sector: TULAC ....................................................................................................... 18 Sector: Medical devices ......................................................................................... 23 Sector: Electronics ................................................................................................. 26 Sector: Metal plating............................................................................................... 28 Question 8: Other identified uses - Analysis of alternatives and socio-economic analysis.....................................................................................................31 Sector: Electronics ................................................................................................. 31 Sector: Lubricants .................................................................................................. 34 Question 10: Analytical methods ................................................................................ 37 24 May 2023 Specific Information Requests Question 1: Sectors and (sub-)uses: Please specify the sectors and (sub-)uses to which your comment applies according to the sectors and (sub-)uses identified in the Annex XV restriction report (Table 9).

ELSEVIER Regulatory Toxicology and Pharmacology 134 (2022) 105226 Contents lists available at ScienceDirect Regulatory Toxicology and Pharmacology journal homepage: www.elsevier.com/locate/yrtph Grouping of PFAS for human health risk assessment: Findings from an independent panel of experts J.K.

For leading-edge device manufacturers, this would need to be done across approximately 30 photolithographic materials.

/day) Silver (Ag) 4.50 Arsenic (As) 1.13 Cadmium (Cd) 0.28 Cyanide (CN) 0.93 Chromium (Cr) 33.27 Copper (Cu) 4.89 Mercury (Hg) 0.16 Molybdenum (Mo) 1.02 Nickel (Ni) 6.62 Lead (Pb) 1.10 Selenium (Se) 0.75 Zinc (Zn) 10.71 Biochemical Oxygen Demand 5 (BOD5) 12,740 Total Suspended Solids (TSS) 10,013 Total Kjeldahl Nitrogen (TKN) 2,344 Shoal Creek WWTF Maximum Allowable Industrial Load (lb.

For leading-edge device manufacturers, this would need to be done across approximately 30 photolithographic materials.

For leading-edge device manufacturers, this would need to be done across approximately 30 photolithographic materials.

EPA Region 8 Facility Location Information Site/Facility Name & Location: Crow Agency WWTF Crow Agency (Big Horn County), Montana 45.613894, -107.454961 Email Report to: Chris Dillon, Lead Operator Apsaalooke Water and Wastewater Authority chris.dillon@crow-nsn.gov Contact Information Name(s)/Title Chris Dillon / Lead Operator / Apsaalooke Water and Wastewater Authority (not present) James Bell Rock, Jr. / Operator / Apsaalooke Water and Wastewater Authority (present) Antone Lopez / Operator / Apsaalooke Water and Wastewater Authority (present) Indian Health Service Jason Schneider / Tribal Utility Consultant / Indian Health Service Contacts (present) Tribal Government Contacts Marvin "Wes" Stops, Jr. / Environmental Director / Crow Tribe (present) Person/Company meeting definition of "Owner" Crow Tribe Person/Company meeting definition of "Operator" Apsaalooke Water and Wastewater Authority Page 1 of 22 Permit / Facility Information Permit on site and available: N/A - unpermitted at time of inspection Permit Application Date: Received September 30, 2021 Permit Effective Date: October 19, 2022 (post-inspection) Permit Expiration Date: March 31, 2027 Facility Latitude and Longitude: 45.613894, -107.454961 (lagoon) Receiving Water(s): Little Bighorn River Weather Conditions: Partly cloudy Inspector's sources of information: Facility representatives, Indian Health Service representatives, IHS records and databases, EPA records and databases, and inspection observations Areas Evaluated During Inspection Permit Self-Monitoring Program Records Compliance Schedule Facility Site Review Laboratory Effluent/Receiving Waters Operations and Maintenance Flow Measurement Sludge Handling/Disposal Pretreatment Pollution Prevention Stormwater Combined Sewer Overflow Sanitary Sewer Overflow Page 2 of 22 Report Review and Signature Lead Inspector Name/Signature/Final Date Digitally signed by AKASH JOHNSON AKASH JOHNSON Date: 2023.10.31 08:50:10 -06'00' Draft Date August 10, 2023 NPDES and Wetlands Enforcement Section Reviewer Name Review Date Stephanie Passarelli August 21, 2023 NPDES and Wetlands Enforcement Section Supervisor Reviewer Name/Signature/Approval Date EMILIO LLAMOZAS Digitally signed by EMILIO LLAMOZAS Date: 2023.10.26 11:15:24 -06'00' NPDES and Wetlands Enforcement Section Supervisor Contact Information U.S.

ELSEVIER Regulatory Toxicology and Pharmacology 134 (2022) 105226 Contents lists available at ScienceDirect Regulatory Toxicology and Pharmacology journal homepage: www.elsevier.com/locate/yrtph Grouping of PFAS for human health risk assessment: Findings from an independent panel of experts J.K.

Paints and varnishes............................................................................................... 25 3 Executive Summary The Alliance for Telomer Chemistry Stewardship (ATCS) represents the world's leading producers of C6 short-chain fluorotelomer-based chemistry.