"McCrea, Deborah" <mccrea@taftlaw .com> 12/28/2009 01 :55 PM To NCIC OPPT@EPA cc Bilott, Robert A."

ARI 6-005Ly) Synthesis and Characterization of FC-95-1%C 0 = mr Report by: .

FE-15 TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) ARY oll 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 field: The test substance is a white powder of uncharacterized purity.

AR2F26-E01FI% ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G..DAPHNIA) TEST SUBSTANCE Identity: aPserPflFuOorSooLcitsaanlet,suFlCf-o9na4t,eo,rLFiCt-h9iu4m-Xs.alt(;1m-aOcytaanlessoubleforneifceracriedd,to 1,12,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #20457-72.5) lithium salt, R(aepmparrokxism:atTehley t2e4s.t5s%amtpesltesiusbastmainxcteuraeonfdt7h5e.5te%stwastuebrs)t.anNcoecianlwcaultaetrions `twheerteesmtasdaemptloea.djustfor the actual concentrationofthe test substance in METHOD Method: Not noted.

3M bit Toy roa AR226-030t Andrew M.

Lo. 3 Spreeceialty Materials Si2tMP CmomeNorNa S11l0 AR226_ 1100 Glyfrp uuyly 161.6, 2002 F1z- 0702. 01372 0 '% BrgB y,eAeIi:c 55 3M DOfofciucmeoefnPtoClolnuttrioolnOPfrfeivceent(iDoCnOa)nd Toxics (OPPT) VIA FEDERAL EXPRESS EUPSAEnEvaistr,onRmoeontmal64P2r8otection Agency | Tr b 1201 Constitution Avenue, NW | IH i Washington, D.C. 20460 FI YI-0hil 8-001378 I Attention: Docket No.

. a =) ema ARQ26 _ 120 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 or 23 22 PREVETNoTnIeONssFetscanocEESs MO MEMORANDUM 8 SUBJECT: FROM: TO: Draft PFOA Exposure Data Gaps Discussion Document =Bn. in CMhaermyicF.aDloCmointnriolk Diision =foil oi Administrative Record File AR-226: PFOS, PFAS, PFOA, Telomers, and Re~ed Chemicals Discuss"iTohne Pautrtpacohseeds dOoncluym,ednatt,edidAeuntgiufsited3a0s, a20D0r2a,ftwEaxspdoesvuerleoDpaetdabGyaEpPsADoatcutmheenrte,queFsotrof the gFuliudoerotphoeldyimsecrusMsainonufdaucrtiunrgiangcoGnrfoeurpen(cFeMcaGl)l aarnrdantgheedTbeyloFmeMrGRefosreaSrecphtePmrboegrra1m2,(2T0R0P2.) tTohihselp draft prior document to the call, was shared with Lynne Harris of FMG and with Steve Korzeniowski of TRP Record Please include file AR-226.

TELOMER RESEARCH PROGRAM 1200 SuTthT HoyeO SvecI e4 AngF,a V(Ti4o328212.5050 Ww ETE =< Clariant.

ARRKG -- 1RES Telomer Research Program yz AGC -------- = Claria-- nt.

a Gop riisa; mo ARaze -- 318 8EHQ -- 0S03_ 00373 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 GEWQ-20-37 2, soy 1.20 iain & epa-ors DuPont Haskell Laboratory 000811854R Attn: A.

| | AR226-1391 || | Ss -- E.

MR2a_ 1498 QoUnO ol LIA fe Dub sk oor re ENewlarkR.osOsF, 177010820x5)50.

@1132003 10:05 0y1/03 opie W DEP LEGAL SERVICES 915133010205 hese ilies E304 oz6 3738 ama Apa 9g | SOS @ ney 7012 McDCiovrikslieonAvoefnAei,rSoQuualEixtny TelepFhoanxe NNuurmsbbeerr::((330044))952266..33772319" West GDoonvweer Virginia Department of Environmental Protection StAepihraeneCRaTiivsmeSrenerreer March 13, 2003 CERTIFMIALE_D_ 7002 0860 0001 4581 3412 Paul J, Bossert Jr.

AR226-1532 33 PP Screening level cumulative risk assessment perfluorinated alkyl acids on human health Rich Purdy RECEIVED OPPT NCIC 2003 OCT-9 PM9:30 Guidance on Cumulative Risk Assessment of Pesticide Chemicals That Have a Common Mechanism of Toxicity.

WDiUmgPoOnN,T DHeuonraen BREE3S8OURCES oc: Ad.