From: To: Sent: Subject: Attachments: Mach, Richard CIV OASN (EI&E), ODASN (Environment) Adelson, Jordan M CIV SEA04X, LQAO; Barclift, David J CIV NAVFAC LANT, EV; Berkoski, Daniel T CIV NAVSEA, SEA 05; Blodgett, Wayne CIV NAVFAC HQ, EV; Brant, Byron C CIV NAVFAC LANT, EV; Brown, Kim P CIV NAVFAC HQ, EV; Carlson, Margaret M CIV OASN (EI&E), OAGC (EI&E); Coghlan, Gunarti H CIV NAVFAC HQ, ENV; Corack, Jennifer M CIV NAVFAC Atlantic, EV; Derrick, Amy E CAPT CHINFO, DCI; Duchnak, Laura S CIV NAVFAC HQ, BRAC PMO; Dumenigo, Mario O CIV NAVFAC HQ, EV; Frederickson, Joshua M CIVOPNAV, N45; Gamache, Christopher D CIV l&L, GF; Greek, Patricia Z CIV CNIC, N452; Hayes, Dan E CIV NAVFAC HQ, EV; Heilman, David H CIV NAVFAC HQ, BRAC PMO; Holmes, Wanda L CIV OPNAV, N45; Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Jaime Vega (jaime.vega2.mil@mail.mil); Laitila, Jeffrey P CIV NAVFAC MIDLANT, EV; Lansdale, Lawrence L CIV NAVFAC HQ, BRAC PMO; Nashold, Elizabeth A CIV NAVFAC MIDLANT, EV BLC; Nehm, Lindsay R CIVOPNAV, N45; Onyekanne, Chika LT CHINFO, 01-2; Porter, Christine H CIV CNIC HQ, N45; Preston, Gregory C CIV NAVFAC HQ, BRAC PMO; Puckett, Thomas G CIV CNIC HQ, OGC; Reisch, Timothy A CIV NAVFAC LANT, EV; Rosen, Marc S CDR OLA, LA-63; Rudroff, Jim CIV OASN (EI&E), ODASN Environment; Runyon, Rex A CIV PA; Sadorra, Robert A CIV NAVFAC HQ, EV; Schirmer, Robert G CIV NAVFAC MIDLANT, EV; Taplin, Aundrea E CIV OASN (EI&E), OAGC EI&E; Turner, Misha GS13 l&L, LFL; Walker, Yvonne P.

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ORIGINAL DOES NOT CONTAIN CBI 3M Environmental, Health and Safety Operations 3M Center, Building 0224-05-W-03 St.

3 GLP10-01-02 Interim Report 05: Analysis for PFOS, PFHS and PFBS in Avenue A Soils and Sediments Collected June/Julv 2010 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 Principle Analytical Investigator Cleston C.

3M Medical Department Study: T-6295.7 Report No.

AR226-1030A026 BACK Study Title Characterization Study of PFOS, Primary Standard - Test Control Reference # T C R -0 0 0 17-046 ` Ph ase: Solubility of PFOS in Natural S eawater and an A queous Solution o f 3.5% Sodium Chloride Data Requirement 40 CFR 160.105(b) Author Mark E.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES DEA Salt of Perfluoro(ethylcyclohexyl) Sulfonate backtocompounds S TU D Y TITLE Physical/Chemical Properties CS-2070/CS-2151 Solubility LABORATORY OR AUTHOR DATE COMPLETED TYPE 3M C om m ercial C hem icals laboratory 08/03/81 Robust Sum mary, Letter Report O ctanol/W ater Distribution C oefficient of C S-2070 Estim ation of W ater S olubility of FC-90 D eterm ination of Melting Point of C S-2070 Environmental Fate and Transport 3M C om m ercial C hem icals laboratory 3M E nvironm ental lab 3M E nvironm ental lab Biosorption of CS-2151 (C S-2070) 3M E nvironm ental lab C hem ical Oxygen Dem and of CS-2151 and Biodegradation of CS-2151 (CS2070) 3M E nvironm ental lab 08/03/81 08/24/82 07/29/81 Robust Sum mary, Letter Report Robust Summary, C alculations Robust Sum mary, Letter Report 08/25/81 08/31/81 Robust Summary, Technical Report Sum m aries Robust Summary, Technical Report ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES DEA Salt of Perfluoro(ethylcyclohexyl) Sulfonate S TU D Y TITLE LABORATORY OR AUTHOR DATE COMPLETED Ecotoxicity Elements TYPE A quatic Toxicity Testing: C S-2151, Lot 3 (LR 6260S ) 3M E nvironm ental lab 11/19/80 Robust Sum m ary, Techni cal Report Sum m ary Daphnid Bioassay: CS-2151, Lot 3 (LR -6457S) 3M E nvironm ental lab 02/05/81 Robust Sum m ary, Techni cal Report Sum m ary A cute Effect of CS-2151 on M icrobial Respiration 3M E nvironm ental lab 08/24/81 Robust Sum m ary, Techni cal Report Sum m ary

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Yours sincerely National Permitting Service UNCLASSIFIED

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3rd submission - Comment on Proposed Restriction of PFAS Conference of Fluoro-Chemical Product Japan (FCJ) (Regarding the requirement to provide information in paragraph 7) In paragraph 7 of the proposed restriction, the information requirement for derogated applications in paragraph 5 and 6 states that article manufacturers and importers need to provide information related to the identification of substances placed on the market.

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FinalCo STUDY SUMMARY FOR WORK PERFORMED DURING 1977-1979 TEST SUBSTANCE Identity:Perfluorooetanesulfonatmea;y also be referredtoas PFOS or FC-95. (1-Octanesulfbniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsalt,CAS # 2795-39-3) Remarks field: The testsubstanceisa whitepowder of uncharacte(izepdurity.