| . 20f0 3M 8EHQ-0202 _00373 SKaUtTheVriineehE. eReend, Ph.D. 3nMd ESnvaiyronSmeerntiaelsTechnology L[oeEr 9SB700u0UonBMuxgsAh52N.A3v3e8Sn.u3eS6 maAR 226 _ 1080 CERTIFIED MAIL HEHY-o- B73 February 1,2002 Document Processing Center (407M) EPA East - Room 6428 Attn: Section 8() Office of Pollution Prevention and Toxics U12S00EPPeAnnsylvania Ave.

AR226_ 1113 il fr 15 July 2002 ng Charles M.

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" el CT EEomm Toy 2083W31s AR226-0566 PretHAG TCX111 Study Title Oral (Gavage) Pharmacokinetic Recovery Study of PFOS in Rats PROTOCOL.

CHEM EHSR 320306Cre1m8icas 651 733 1958 12/09 98 13:22 NO.461 01/01 S34rCean, sso S273 im AR R26 - 0622 | am December 9, 1998 Charles M.

EE AR 226 -- 0635 af 7 Gwaair7dip2e0n0v0e0r2t4y3 PH Tor Karen LammonDGIVBitSarELePctAynsUDCSIUGSEPEAIPISAGE,PA Subject: g ee Fever by Word Pena DCAUSEPAS o 817200252 Pl rr8gr oBoYx Tm 7 Crates ver 0410712000 02:04 PM 2 55 <$ 5 To dakest@moGemtoPonONSE(PccWAardUPeSer@yDGEIUSPEPAALS) Soc Dear Dan, As `po discussed ssession or today by phone, EPA needs to control from allof the studies review cited in complete copies 3M's reports or of final repor presentations ts in y made ou to r EPA, and any other relevant information in 3M's `possession or control, on sulfonated andcarboxylated perfluorochemicals, with initial focus on PFOS.

AR RE_ 064s PFOS Medical Surveillance/Epi - | 00013 Interim Report #1 `Epidemiology, 220-3W-05 Medical Department 3M Company St.

#826 - 0711 BIODEGRADATION (301E) JESTSUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfopnoanteen,twhoficFhC-m2a0y3.al(s1o-be Octanesulfonic acid) (CAS # 2795-393).

A DIETARY LCS0 STUDY WIpTrOHS:THE NORTHERN BOBWHITE Ar226 _0953 ALiT SN WILDLIFE INT3EMRLNAABTIROENQAULESLTTD.NO:PROUJ2E7C23T NO.: 454-103 Series 8U3S0.- EEncvoliorgoincmaelntEfaflecPtrsotTeecsttioGnuiAdgeelnicneys (draft) `OPPTS Number 850.2200 FIFRA Subdivision E, Section 71-2 OECD Guideline 205 . 3 2 23 T4 3S2E zE358% = AUTHORS: CSoeuarntPn.eyGaSl.laCgahseery JRoaaynmnoBn.dBLe.avVearns Hoven I STUDY COMPLETION: April 26,2000 SUBMITTED TO .

Tm en _ . + E. 1. ou Pont oe NEMOURS & COMPANY CENTRAWLIRLEMSIENAGRTCOHN&,DDEVEELLAOWPAMRENET1D9E8P9A8RTMENT.

BACK TO MAIN MULTI-CITY STUDY FIELD REPORT FOR FINFISH, MICRO-LAYER ,4ND BULK WATER COLLECTION IN CLEVELAND TENNESSEE, DECATUR ALABAMA, AND COLUMBUS GEORGIA for Project Number 31565 submitted to September 23,1999 Prepared by David K.

3M MedicalDepartment Study:T-6295.7 Report No.

TOXICITY TO TERRESTRIAL PLANTS TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder.

L.T , /7 P 3M AEbi KSaSthVriicneeP.resRiedeendt, PhD.

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