AR226-2004 CCs 1.1.5.1 Pebruary 8, 1988 /ZJ^- TO; ALL TEPLOH* PERSONNEL PROM!

AR226-2103 Test Result, Saniple Data Range Cone'enitration Range Action Level Industrial Hygiime 1/104 12(310-4 100% Sample Dt Sample f Duration Type Employee Mania BTO: OB TEFLON toe: 113 P/8 - SHIFT MECHANIC (58MD) 212104 19405 3SO P 5/17/94 19813 3SO P 8/2884 20160 12/13/94 20672 3GO P 380 P Pers Chemical 58MD frWFC-143 58MD C.8/FC-143 58MD C-8/FG-143 58MD C-8/FC-143 '-riT-" - ^ .. - Cone UnH Percent <.03 MPB <.03 MPB 0-1 MPB 0.09 MPB 5.4% 5.4% 17.9% 16.1% 8TO: 08 LOG; 703 TEFLON FINE POWDER PACKOUT ROOM 107/84 18338 370 P OBPJ G-8/FC-143 <.08 MPB 5.4% BTO; OB LOG; 708 TEFLON PIS - FINE POWDER PACKOUT (08PJ) 1/2704 2546 375 A B/2S94 201S3 390 P 08PJ C-8/FC-143 &8/FC-I43 <03 MPB <.03 MPB 5.4% 5.4% BTO: 08 LOG: 717 TEFLON ROOF AREA-GENERAL 1/28/94 8845 380 A C.a/FC-143 <XB MPB 5.4% BTO; 08 TEFLON LOG: 731 A/S - INSIDE F.P.

TestRe&ults AR226-2125 file:///Cl/WINDOWS/TEMP/Monomets C-8 2-26-73 thiu 8-5-81 9 pagcsAtm Test Results Sample Datd Range Concentration Range Action Level Industrial Hygiene 2Q6/73 8/5/fll 100'A Sampis Dt Sample # Duration Type Employee Name Pers 8TO; LOG; 08 TEFLON 016 MONOMER ANALYZER COMPUTER ROOM 11/15/79 61388 Z 11/26/79 61390 Z 11/29/79 61391 Z Chemical Cone Unit Percent c-a 0.0006 PPM 0.0% C-8 0.0003 PPM 0.0% C-8 0.0004 PPM 0.0% BTO: LOC: 08 TEFLON 023 TRAINING FACILITY (OLD PROD C.C.) 3/3/81 S4817 Z 3/3/61 54818 ' Z 3/16/81 54819 Z 3/17/81 54820 Z 3/18/81 54821 2 3/18/81 54822 Z 3/19/81 54823 Z 3/19/81 54824 Z 3/27/81 54825 Z BTO: LOC ; 08 TEFLON 701 FINE POWDER DRYER-EAST SIDE #2 c-a C.8 C-8 C-8 C-8 08 C-8 C-8 C-8 0.0004 PPM 0.0005 PPM 0.0% 0.0002 PPM 0.0008 PPM 0.0002 PPM <0.0001 PPM 0.0% 0.0003 PPM 0.0% 0.0004 PPM 0.6% <0.0001 PPM 0.0% 0 3 t^ .

AR226-2346 'WSi9fvasay Air Dispersion Modeling Verification Study Oct 22,2003 Objective Compare results from ambient air sampli air dispersion modeling to understand ho modeling predictions relate to measured air concentrations Verification Study Scope Air Sampling Program Analytical Methods Modeling Analysis of Results Air Sampling Locations Simultaneous coverage of all 4 major directions (N, S, E, W) Capture point of predicted maximum concentration from modeling Include co-located samplers at predic maximum Total of six locations ASH026725 EXPQ15794 ASH026726 EXP015795 Air Sampling Strategy Measure ambient air levels i 24-hour sampling duration Seven (7) sampling events scheduled ove weeks Vary day of week to capture variations in operations (none expected) and variation meteorology Record site-specific meteorological and operational data ^ Monitoring Strategy: Samples taken every 6 days f MONTH 1 QZ 345 6 8 9 10 11 12(^14 15 16 17 18^9)2021 22 23 2^5)26 27 28 29 3( MONTH 2 1234 5^)7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Monitoring Strategy: Samples taken every 6 days f On site training For internal use: potential schedule Oct/Nov S M T W Th F S -28 2931 1 678 2 3 4^^ 9 10^^12 13 14 If 16 <Ql8 19 20 21^ ^5)24 25 26 if^n^ 30 December 1 2 3 4Q)6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Total Samples (1) field blank per event (5) primary samples per event (1) duplicate sample per event* (7) samples x (7) sampling events = 49 tota * Sample location 3 is co-located with location 2 and se as a duplicate sample Equipment "Sorbent" sampling method to captur PFOA on ion-exchange media OSHA Versatile Sampling tube (OVS Captures particles and vapors Remote power source will be provide Weatherproof stations for sampling equipment OVS Tube Air flow (1 L/min) Analytical Method Validated method being used Acetone extraction followed by liquid chromatography/mass spectrometry (LC/MS) Detection limit of 0.1 ug/m3 Modeling Program Using U.S.

FEB. 26. 2002 9;34AM Michael Bate.

me 2930524 ReviDsiuopnoNnutm1b4e1r621 TRADE SECRET AR2RG. 3583 Study Title PFO (L1i4n-eDaary/BOrraanlchGeadv)a,gAePSFtOud(yLiinneMara)l,eaRnadtsAPanFdOM(iBcreanched): AUTHOR: Carol Finlay, B.A.

8/15/00 LPSD Water Sample Analytical Results (Letter, R.

B~~fQ - 1006- j 65"9e oUPONT D Pu ont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P .O .

p. 1 73 March 7, DuPont Chemical Solutions Enterprise P . 0 .

P. z z6 -37773 ~~- PFOA : A 96-HOUR STATIC-RENEWAL ACUTE TOXICITY TEST WITH Chironomus tentans AMENDED FINAL REPOR T WILDLIFE INTERNATIONAL, LTD .

-- ' Commercial-in-Confidence Chemex reference : ENV8010/020737 P. 1 37 ,g ~ The growth inhibition of the marine alga Skeletonstatum by C ~ Report for Notox B.V - - _ -; ' Report issued by : Sponsor: Chemex Environmental International Limited Notox B .V Unit J Hambakenwetering 7 Broad Lane Industrial Estate P .O .

am [Lt SUA ARR26 - 3578 awErvIROMMRENTOAL VLwABoEOERoCATtOTtRsY Analyti:cal Report Con, FeCay Definitive Study: Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Number: E05-0442 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory 3M Environmental Laboratory MaPrrkojEe.ctElLleeafdson Building 2-3E-09 PO Box 33331 Saint Paul, MN 55133-3331 Phone: 661-778-5405 `TWesitliinBgaumFialKcdi.ilniRgtey2aM-ga3eEnn-,a0g9Pehm.e0.nt PO Box 33331 Saint Paul, MN 55133-3331 Phone: 651-778-6565 = SS UR5a a7gpe:F = - = > Requestor Dale Bacon Building 2-3E-09 PO Box 33331 Saint Paul, MN 55133-3331 Phone: 651-778-4736 Page tof19 ------------------------------------------------------------------------ WMENVIRONMFENRTAOL LNUAOBOER0AC8T0OT0R2Y 3M Environmental Laboratory Analytical Report Project Number: E05-0442 1 Introduction / Summary `The following analytical report prescats data from commercially available normal pooled human serum that were purchased by the 3M Eavironmental Laboratory and. subsequently screened for endogenous fluorochenicals.

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: AR 226-1004 NOTE TO FILE - AR 226/0PPTS 50639 DATE: March 14, 2001 FROM: Karen Lannon SUBJECT: 1/4/01 Meeting with Department of Defense (DoD) concerning Aqueous Film Forming Foam (AFFF) a `A meeting was held on January 4, 2001 to discuss alternatives to PFOS-based AFFF and possible DoD plans for transitioning away from PFOS-based AFFF.

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