FE 3M Genera Offics MSU PCaeunlteMrN SSL4-1000 sine AR 9ac_ 1303 3M March 13, 2003 ASstseipshteanntLA.dJmoinhinsstornator Office Of Prevention, Pesticides And Toxic Substances United States Environmental Protection Agency W1a2s0h0inPegntnosny,lDv.anCi.a A2v0e0n0u4e, N.

(a R-y) p ry ARR26 _ [333 moWASo HINGTONm , 0.6.so20r4o 6c0nonso ce Certified Mail Remwrn Receipt Requested JRrE--E-- Andrea Malinowski (D-8078-1) E.L du Pont de Nemours and Co.

ot ARR2G -- 1383 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

AR226-1401 || ' | , was QD E. 1 ou Pont 0 Nemours & Company WILMINGTON, DELAWARE 19858 AR&&G -- 140!

AR 426 -- 14HT HFALSUEEITRNmCGATRiOBNOnwNoSRRDs1vTSION PARKERSHURG, A, vi, ee: GJoJ.:.FbFM..itYRcZoehoriewgnl/ahl6na,,.rdJtH5r,i..

ARBRE -- 1456 , | DON'T SAY IT-WRITE IT DATE.

ACUTE TOXICITY TO FISH ARIEO3F6 TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride;mayalso be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,88-heptadecafluoro-, CAS # 30735-7).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) I TEST e SUBSc TANCEiouesaNcE Identity: rPeefrefrlrueodrotoocatsanPeFsOulSfAoAny,laFmCi-d1o(2e8thoyrlaascetthaetem;ajmoarycaolmspoobneent of [F(Ch-e1p2t7ad,ecFaCf-l1u2or9o,ocFtCy-l)1s0u9l,foonrylFlC--,1p0o8t-aXs.si(uGmlyscailnte, ,CNA-Set#hy2l9-9N1- 51-7) Remarks: laboratory as The test E2566-2.

BIODEGRADATION (BOD/COD/TOC) TEST SUBSTANCE Identity: PreefrefrlrueodrotoocatsanPeFsuOlSfAonAy,laFmCi-do1(2e8thoyrlaascetthaetem;ajmoarycaolmspoobneent of F[(Ch-e1pt2a7deocrafFiCu-o1r2o9o.ctyl()Gsluylcfionney,llN--,etphoytla-sN-sium salt, CAS # 2091517) Raemmiaxtrukrse:of 8T6h%etteessttssuabmsptlaencies FaCn-d12184.

ARNI6-0428 ATtotxaiccohlmoegnytsSttuodLieetstaenrdtoOCt.heArueIrnfdoartmeadtiMoan yon25P, F20O0A0 Genotoxicity 1) LAinneAsfsoraythoefTCeesltlCThreamniscfaolrmTa-t2io9n42anCdoCCy,toEtnovxiircointmyeinntatlhePCat3hHol1o0gTy L1a/2boCrlaotnoarly,CeSltlone: Research Laboratories, UniversityofMinnesota, 3M Ref.

ARR26 -- 0736 BIODEGRADATION (BOD/COD) TEST SUBSTANCE \dentity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9l5uo,roorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y3Aa.lso(1b-e Octanesufonic acid) (CAS # 2795-39-3).

AR 226 _ 0831 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4.4,55,6,6,7,7,8,8.8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 628.

AR 226 -- 0402 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: rAefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9i5uo,roorocatsanaescuolmfponoanteen,twhoficFhC-m3a0y41a.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3). 3R0e4m1ar(kcsc :809-1T).he C3uMrrpernotdiuncftoiromnatloitonnuimndbiecratweassit2is30a0m.iTxthueretoesft6s%amPplFeOSis,F3C6-% doicteytlhyslulefnaeteg,ly0c.ol55b%utyslodetihuemr,la3u6r.yl0s6u%ifwaattee,ra,n1d20%.4S%ulttoolynletrfioaazomleer., 9% sodium cThhaerfaocltleorwiiznegdscounmcmeantrryataipoplniseosftiompaurmiitxiteusr.e Dwaittha imnacyomnpoltetaeclcyurately reflect the toxicofitthye fluorochemical component of the test sample.

*00EI9803(83) 18:07 A 0001120226818 \P 2EDIC KANSAL R&D IRD POLI AR 226 - 0933 Dainippon Ink & Chemicals, Inc. 13Taasago Takashi Facsiomsile TransmiPsa sion Griap= S20001 JO NSAMhE a LOCATION eensMuss.e Clark +++" 401 M Sect, SW (7405) WashinDgCt20o46n0 Fax.

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