AR226-2528 TOXICOLOGY LIMITS - TLV - AEL - CEGA - CEGw uf/n3 100 10 0,3 - fife 5,6 0.56 0.0015 1.0 CALCULATED DOSE - AEL - CE6 100 ug/day 0 ug/day RJZO10003 / EID079258

AR226-2562 Meeting Notes - September 25,2001 Washington Works Groundwater Model A meeting was held on September 25, 2001, at EPA headquarters in Philadelphia to discuss the groundwater model developed for the Washington Works Plant in Parkersburg, WV.

AR226-2564 Andrews Hartten 11/01/2001 03:59PMl To: weniworth.willlam @ epam ail.epa.gov cc: Subject: Update on Things Sill, A couple of things I wanted to update you on.

AR226-2600 j G-1 S T frIEETm&l Fee- ta 2 >n?

AR226-2673 63 PROJECT SRCNAME AIR SAMPLING 2003 AMS1-E1 AIR SAMPLING 2003 AMS1-E10 AIR SAMPLING 2003 AMS1-E11 AIR SAMPLING 2003 AMS1-E2 AIR SAMPLING 2003 AMS1-E4 AIR SAMPLING 2003 AMS1-E5 AIR SAMPLING 2003 AMS1-E7 AIR SAMPLING 2003 AMS1-E8 AIR SAMPLING 2003 AMS1-E9 AIR SAMPLING 2003 AMS2-E1 AIR SAMPLING 2003 AMS2-E11 AIR SAMPLING 2003 AMS2-E2 AIR SAMPLING 2003 AMS2-E4 AIR SAMPLING 2003 AMS2-E5 AIR SAMPLING 2003 AMS2-E7 AIR SAMPLING 2003 AMS2-E8 AIR SAMPLING 2003 AMS2-E9 AIR SAMPLING 2003 AMS3-E1 AIR SAMPLING 2003 AMS3-E10 AIR SAMPLING 2003 AMS3-E11 AIR SAMPLING 2003 AMS3-E2 AIR SAMPLING 2003 AMS3-E4 AIR SAMPLING 2003 AMS3-E5 AIR SAMPLING 2003 AMS3-E8 AIR SAMPLING 2003 AMS3-E9 AIR SAMPLING 2003 AMS4-E1 AIR SAMPLING 2003 AMS4-E10 AIR SAMPLING 2003 AMS4-E11 AIR SAMPLING 2003 AMS4-E2 AIR SAMPLING 2003 AMS4-E4 AIR SAMPLING 2003 AMS4-E7 AIR SAMPLING 2003 AMS4-E8 AIR SAMPLING 2003 AMS4-E9 AIR SAMPLING 2003 AMS5-E1 AIR SAMPLING 2003 AMS5-E10 AIR SAMPLING 2003 AMS5-E11 AIR SAMPLING 2003 AMS5-E2 AIR SAMPLING 2003 AMS5-E4 AIR SAMPLING 2003 AMS5-E5 AIR SAMPLING 2003 AMS5-E7 AIR SAMPLING 2003 AMS5-E8 AIR SAMPLING 2003 AMS5-E9 AIR SAMPLING 2003 AMS6-E1 AIR SAMPLING 2003 AMS6-E10 AIR SAMPLING 2003 AMS6-E11 THEME DATESMPL SMPLT SAMPLE NUMBER Ambient Air 11/6/2003 FS WWK-A-AMS1-E1 Ambient Air 1/15/2004 FS WWK-A-AMS1-E10 Ambient Air 1/16/2004 FS WWK-A-AMS1-E11 Ambient Air 11/12/2003 FS WWK-A-AMS1-E2 Ambient Air 11/24/2003 FS WWK-A-AMS1-E4 Ambient Air 11/30/2003 FS WWK-A-AMS 1-E5 Ambient Air 12/11/2003 FS WWK-A-AMS1-E7 Ambient Air 12/12/2003 FS WWK-A-AMS 1-E8 Ambient Air 12/19/2003 FS WWK-A-AMS1-E9 Ambient Air 11/6/2003 FS WWK-A-AMS2-E1 Ambient Air 1/16/2004 FS WWK-A-AMS2-E11 Ambient Air 11/12/2003 FS WWK-A-AMS2-E2 Ambient Air 11/24/2003 FS WWK-A-AMS2-E4 Ambient Air 11/30/2003 FS WWK-A-AMS2-E5 Ambient Air 12/11/2003 FS WWK-A-AMS2-E7 Ambient Air 12/12/2003 FS WWK-A-AMS2-E8 Ambient Air 12/19/2003 FS WWK-A-AMS2-E9 Ambient Air 11/6/2003 FS WWK-A-AMS3-E1 Ambient Air 1/15/2004 FS WWK-A-AMS3-E10 Ambient Air 1/16/2004 FS WWK-A-AMS3-E11 Ambient Air 11/12/2003 FS WWK-A-AMS3-E2 Ambient Air 11/24/2003 FS WWK-A-AMS3-E4 Ambient Air 11/30/2003 FS WWK-A-AMS3-E5 Ambient Air 12/12/2003 FS WWK-A-AMS3-E8 Ambient Air 12/19/2003 FS WWK-A-AMS3-E9 Ambient Air 11/6/2003 FS WWK-A-AMS4-E1 Ambient Air 1/15/2004 FS WWK-A-AMS4-E10 Ambient Air 1/16/2004 FS WWK-A-AMS4-E11 Ambient Air 11/12/2003 FS WWK-A-AMS4-E2 Ambient Air 11/24/2003 FS WWK-A-AMS4-E4 Ambient Air 12/11/2003 FS WWK-A-AMS4-E7 Ambient Air 12/12/2003 FS WWK-A-AMS4-E8 Ambient Air 12/19/2003 FS WWK-A-AMS4-E9 Ambient Air 11/6/2003 FS WWK-A-AMS5-E1 Ambient Air 1/15/2004 FS WWK-A-AMS5-E10 Ambient Air 1/16/2004 FS WWK-A-AMS5-E11 Ambient Air 11/12/2003 FS WWK-A-AMS5-E2 Ambient Air 11/24/2003 FS WWK-A-AMS5-E4 Ambient Air 11/30/2003 FS WWK-A-AMS5-E5 Ambient Air 12/11/2003 FS WWK-A-AMS5-E7 Ambient Air 12/12/2003 FS WWK-A-AMS5-E8 Ambient Air 12/19/2003 FS WWK-A-AMS5-E9 Ambient Air 11/6/2003 FS WWK-A-AMS6-E1 Ambient Air 1/15/2004 FS WWK-A-AMS6-E10 Ambient Air 1/16/2004 FS WWK-A-AMS6-E11 TOP 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 0 C8 results Envista 111104.xls W W K - air AR226-2673 M FILTERED CASNO ANALYTE RsItPost RsItVal UNITS Hit LAB_ANALYTE QUAL_EPA QUALJNHOUSE REVIEW 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0T 335671 PFOA 0.0003 0.0003 MG/M3 1 PFOA 0 T 335671 PFOA <0.00012 0.00006 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA 0.00007 0.00007 MG/M3 1 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA OT 335671 PFOA 0.0009 0.0009 MG/M3 1 PFOA 0T 335671 PFOA 0.0002 0.0002 MG/M3 1 PFOA 0T 335671 PFOA 0.0007 0.0007 MG/M3 1 PFOA OT 335671 PFOA 0.0003 0.0003 MG/M3 1 PFOA OT 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA 0.00011 0.00011 MG/M3 1 PFOA 0 T 335671 PFOA 0.00008 0.00008 MG/M3 1 PFOA 0T 335671 PFOA 0.0004 0.0004 MG/M3 1 PFOA 0 T 335671 PFOA <0.0002 0.0001 MG/M3 0 PFOA 0T 335671 PFOA 0.0009 0.0009 MG/M3 1 PFOA 0T 335671 PFOA 0.0002 0.0002 MG/M3 1 PFOA 0T 335671 PFOA 0.0007 0.0007 MG/M3 1 PFOA OT 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA 0.00011 0.00011 MG/M3 1 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA OT 335671 PFOA <0.00012 0.00006 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA OT 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA OT 335671 PFOA 0.0003 0.0003 MG/M3 1 PFOA 0T 335671 PFOA 0.0003 0.0003 MG/M3 1 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA OT 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA 0 T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA Page 1 METHODNO PREPMTHD PREPREP DRY LAB NUMBER EXM21703 NS NS W L0001277-2 EXM21703 NS NS w L0001667-2 EXM21703 NS NS w L0001668-2 EXM21703 NS NS w L0001308-2 EXM21703 NS NS w L0001359-2 EXM21703 NS NS w L0001400-2 EXM21703 NS NS w L0001444-2 EXM21703 NS NS w L0001448-2 EXM21703 NS NS w L0001508-2 EXM21703 NS NS w L0001277-3 EXM21703 NS NS w L0001668-3 EXM21703 NS NS w L0001308-3 EXM21703 NS NS w L0001359-3 EXM21703 NS NS w L0001400-3 EXM21703 NS NS w L0001444-3 EXM21703 NS NS w L0001448-3 EXM21703 NS NS w L0001508-3 EXM21703 NS NS w L0001277-4 EXM21703 NS NS w L0001667-3 EXM21703 NS NS w L0001668-4 EXM21703 NS NS w L0001308-4 EXM21703 NS NS w L0001359-4 EXM21703 NS NS w L0001400-4 EXM21703 NS NS w L0001448-4 EXM21703 NS NS w L0001508-4 EXM21703 NS NS w L0001277-5 EXM21703 NS NS w L0001667-4 EXM21703 NS NS w L0001668-5 EXM21703 NS NS w L0001308-5 EXM21703 NS NS w L0001359-5 EXM21703 NS NS w L0001444-4 EXM21703 NS NS w L0001448-5 EXM21703 NS NS w L0001508-5 EXM21703 NS NS w L0001277-6 EXM21703 NS NS w L0001667-5 EXM21703 NS NS w L0001668-6 EXM21703 NS NS w L0001308-6 EXM21703 NS NS w L0001359-6 EXM21703 NS NS w L0001400-5 EXM21703 NS NS w L0001444-5 EXM21703 NS NS w L0001448-6 EXM21703 NS NS w L0001508-6 EXM21703 NS NS w L0001277-7 EXM21703 NS NS w L0001667-6 EXM21703 NS NS w L0001668-7 C8 results Envista 111104.xls ^asBSssBSKi W W K -air RSLTMOD RESULT UNIT MDL PQL Expr1029 LOCATION ID DUPNO < 0.00014 MG/M3 0.00014 11767997 11767997 1 < 0.00014 MG/M3 0.00014 11768173 11768173 1 < 0.00014 MG/M3 0.00014 11768193 11768193 1 < 0.00014 MG/M3 0.00014 11768041 11768041 1 < 0.00014 MG/M3 0.00014 11768085 11768085 1 < 0.00014 MG/M3 0.00014 11768073 11768073 1 0.0003 MG/M3 0.00014 11768107 11768107 1 < 0.00012 MG/M3 0.00012 11768123 11768123 1 < 0.00014 MG/M3 0.00014 11768135 11768135 1 0.00007 MG/M3 0.00014 11767999 11767999 1 < 0.00014 MG/M3 0.00014 11768195 11768195 1 0.0009 MG/M3 0.00014 11768043 11768043 1 0.0002 MG/M3 0.00014 11768087 11768087 1 0.0007 MG/M3 0.00014 11768075 11768075 1 0.0003 MG/M3 0.00014 11768109 11768109 1 < 0.00014 MG/M3 0.00014 11768125 11768125 1 0.00011 MG/M3 0.00014 11768137 11768137 1 0.00008 MG/M3 0.00014 11768001 11768001 1 0.0004 MG/M3 0.00014 11768175 11768175 1 < 0.0002 MG/M3 0.0002 11768197 11768197 1 0.0009 MG/M3 0.00014 11768045 11768045 1 0.0002 MG/M3 0.00014 11768089 11768089 1 0.0007 MG/M3 0.00014 11768077 11768077 1 < 0.00014 MG/M3 0.00014 11768127 11768127 1 0.00011 MG/M3 0.00014 11768139 11768139 1 < 0.00014 MG/M3 0.00014 11768003 11768003 1 < 0.00014 MG/M3 0.00014 11768177 11768177 1 < 0.00014 MG/M3 0.00014 11768199 11768199 1 < 0.00014 MG/M3 0.00014 11768047 11768047 1 < 0.00014 MG/M3 0.00014 11768091 11768091 1 < 0.00012 MG/M3 0.00012 11768111 11768111 1 < 0.00014 MG/M3 0.00014 11768129 11768129 1 < 0.00014 MG/M3 0.00014 11768141 11768141 1 < 0.00014 MG/M3 0.00014 11768005 11768005 1 0.0003 MG/M3 0.00014 11768179 11768179 1 0.0003 MG/M3 0.00014 11768201 11768201 1 < 0.00014 MG/M3 0.00014 11768049 11768049 1 < 0.00014 MG/M3 0.00014 11768093 11768093 1 < 0.00014 MG/M3 0.00014 11768079 11768079 1 < 0.00014 MG/M3 0.00014 11768113 11768113 1 < 0.00014 MG/M3 0.00014 11768131 11768131 1 < 0.00014 MG/M3 0.00014 11768143 11768143 1 < 0.00014 MG/M3 0.00014 11768007 11768007 1 < 0.00014 MG/M3 0.00014 11768183 11768183 1 < 0.00014 MG/M3 0.00014 11768203 11768203 1 Page 2 W W K - air PROJECT SRCNAME THEME DATESMPL SMPLT SAMPLE NUMBER TOP BOTTOM FILTERED CASNO ANALYTE RsitPost RsitVal UNITS Hit LAB ANALYTE QUAL EPA QUAL INHOUSE REVIEW AIR SAMPLING 2003 AMS6-E2 Ambient Air 11/12/2003 FS WWK-A-AMS6-E2 0 0T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA AIR SAMPLING 2003 AMS6-E5 Ambient Air 11/30/2003 FS WWK-A-AMS6-E5 0 0T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA AIR SAMPLING 2003 AMS6-E7 Ambient Air 12/11/2003 FS WWK-A-AMS6-E7 0 0T 335671 PFOA <0.00012 0.00006 MG/M3 0 PFOA AIR SAMPLING 2003 AMS6-E9 Ambient Air 12/19/2003 FS WWK-A-AMS6-E9 0 0T 335671 PFOA <0.00014 0.00007 MG/M3 0 PFOA AIR SAMPLING 2003 AMSFBLK-E1 Ambient Air 11/6/2003 FB WWK-A-AMSFBLK-E1 0 0T 335671 PFOA <100 50 NG/ML 0 PFOA AIR SAMPLING 2003 AMSFBLK-E10 Ambient Air 1/15/2004 FB WWK-A-AM

AR226-2830 m Material Tested: Material Submitted by: Copies E.

AR226-2921 FOR DU PONT USE ONLY E.

Study Sponsor: Issue D ate: Docum ent R eferen ce No.: E L F A TO C H E M S .A . 10-NO V-95 9 5/S A E 6/1205/H T AR226-3032 \ Acute Toxicity to D aphnia Author(s): H.

TRADE SECRET DuPont HL-1997-00676 AR226-3078 Study Title SalmonHe-l2la27ty6p2h: imMuurtiuagmenPilcaittey Testing in the Incorporation Assay Laboratory Project ID: HL-1997-00676 AUTHOR: N.

TRADE SECRET DuPont HL-1997-00598 AR226-3079 Study Title I nhalation Approximate Lethal Concentration (ALC) en R ats Laboratory Project ID: HL-1997-00598 Author: David P.

AR226-3108 HLiufenSticniegndcoens CONFIDENTIAL DPT 438/984469 ASSESSMENT OF READY BIODEGRADABILITY MODIFIED STURM TEST Sponsor Dupont Speciality Chemicals, Jackson Laboratory, Chambers Works, Deepwater, NJ 08023, USA.

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SPONSOR Elf Atochem SA ' Cours Michelet La Dfense 10 92091 Paris-la-Dfense CEDEX France AR226-3172 TEST SUBSTANCE STUDY TITLE SKIN SENSITIZATION TEST IN GUINEA PIGS (M axim ization method o f M agnusson and Kligman) STUDYDIRECTOR Xavier Manciaux STU D Y COMPLETION DA TE 14Dcember2000 TESTFACILITY err Centre International de Toxicologie BP 563 - 27005 Evreux - France / IFM Recherche S.N.CAUCAPITALDESSS0000F LABORATORYSTUDY NUMBER 20023 TSG 'Company Sa"?

AR226-3200 H90--2D45ay16G:aSvaugbechSrtoundiyc iTnoRxaictistywith One-Generation Reproduction Evaluations__________________DuPont-5368 % TRADE SECRET Study Title H-24516: Subchronic Toxicity with One9-G0-eDnearyaGtioanvaRgeepSrotudduyctiinonRaEtvsaluations Volume 4 of 5 Laboratory ProjectID: DuPont-5386 Test G uidelines: UO.PSP.TESPA87H0.e3a1lt0h0E(1f9fe9c8ts) Test Guidelines AUTHOR: Gregory S.

3 GLP10-01-02 Interim Report 15: Analysis for PFOS, PFHS and PFBS in Decatur, AL Avenue A Soils and Sediments Collected January 2011 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principal Analytical Investigator Cleston C.