- 1/4 . : . 331 General Offices 3StMPCaelnteMrN SS144-1000 S17 0 ;5 ws AR226- 0600 2 T7 wR 7 2 7 / 3M ; Jaly 7, 2000 Charles Auer (E403C) - Director, Chemical Control Division Office of Pollution Prevention and Toxics OUfSfiEcnevoifroPnrmeevnetnatlioPnr,otPeescttiicoindeAsgeanndcyToxic Substances 401 M.

AR 226 - 0692 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referredtoas PFOS, FC-85 or as a component of FC-201AF. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR&26 -- 0728 MICROBICS MICROTOX TOXICITY TEST IESTSUBSTA0N 000C 000E Identity: ArefmeirxrteudretocaosntPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfpoonanteen,twohficFhC-m2a0y3.al(s1o- be Octanesulfonic acid) (CAS # 2795-39-3).

AR 886 -- 074% ACUTE TOXICITY TO FISH (FATHEAD MINNOW) EST SUBSTANCE Identity: AbemriexfteurrreedcotnotaaisniPnFgOpSe,rfFlCu-o9r5o,ocotranaessaifcoonamtpeo,newnhitcohfmFaCy-2a0l3soC and L-5440. (1-Octanesulfonic acid, s1a,l1f,,2C,2A,S3,#3,42,749,55-,359,-636),7,7,8,8,8-heptadecafluoro-, potassium Rsaemmpalreksis: FC-T2h0e3C3Manpdroidsurcetfieornreldottno ubmybtehre wtaesstinnogtlnaobtoerda.torTyhaest*e8s1t-1/8".

AR 226 - 0916 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-85, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 -0917 TOXICITY TO AQUATIC PLANTS EST SUBSTANCE Identity: ArefmeirxrteudretocoanstaPiFnOinSg,peFrCf-i9u5o,rooorctaasneasculofmopnoantee,ntwhoifcFhX-m3a1y04a.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).

CEN5TRAALASKREELRSiCEoA"RCCATHBNOORUAASNTTDORRIDAYELVEFMOLREODPIHTCEOINXNTIECODLEOPGAYRTMENT cet 3.5258,. nAomsitaarge- LX " po .

From B Aa Aoen SJeRmaedeyye oSnTO1BU0InP1O8Ur7P2t tG0O0AU1vPi.1r2a:J3oJ0hMnPaMlnBoowwamk/aArEiIADEUDPGFra@nO@uOPLoPnto.rtPaMualrL sOusUSTBOUPGOUP pect FW Oct 12 Mesting wh EPA Region 3.Prvieged Communication --FRorowaarrdedbHayrBrem<aRUradJrrRiusy@eAnEiIrCoUncPoornp ocnom10>11o5n721000118/12203081P1M:1e 8:18 Am M " roo menAalcot R12res,tinSgwoinWEePA ReS gion 3 -Pu viegedKCeormmCunPca,teAn SDASS= RELI r deCen SnT e urs see B belocwhhecehpaaertraCmmtraahacneegi,eeseatlcvoieanychAgapgtwoeinBcsWhnIoiREnPcOAhNsevvgvaeeenrttsul1nfd3apioJsibMlnaytnAsdiwssetlholBan,BtOtIyho]oeuay sEO ThohuTledirbFCEeHynled ulTaaErcIsiOAthTFI)OfeF"n(s1rhAoecfmdefs3mel0ari/sun0ng0ccelrdieedesfonuastlue.tlstavBafeOosrMrsmuicmehpet12L)iioLVlnuelbeicsnnkaekecdacslonDomcuuRalmraLmtLoaiYlnn3lgyaw0tnihfeSdhintJoovuvaeTnHdD EREa aa iEl 98n4e]TepuroTcenTcdaeinlccihtaesnd;dwDco1huu3)aPntodTnthtbheea.srPheoFIuoOhlradsvsaenScmoeeuwrwa.ndhaqaituhtiaeceftnhree4awmBepiwrwtoortkoepefcrreoSsltoodcuveosolleuidlndgthseun SBr 5yha LAaSeeeAnaaPHe S0 Fa ateasS1l4aJnhoamuo.

1 RESEARCH Precise Research.

AR226-1751 STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Quail Serum and Quail Liver for Analysis Using HPLC-ElectrosprayMass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 -F'ERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

BACK TO MAIN 3M Environmental Laboratory Report No.

FORM 10620-PWO BACK TO MAIN CC: LAB REQUEST BOOK - 42-5W File: Water and Wastewater REQUEST FOR LABORATORY WORK Lab RequestNo* 1231 TO: ENVl RONMENTAL ENGINEERING LABORATORY - BUILDING 53-6N equestor -&dE Name: Request Date Project No.

3M Medical Department Study: T-6316.7 BACK TO MAIN Analytical Report: FACT TOX-098 LRN-U2402 Study Title Oral (Gavage) Developmental Toxicity Study of 2(N-Ethylperfluorooctanesulfonamidc~)-ethanoinl Rats Analytical Laboratory Report Title Determination of the Concentration of PFOS, PFOSA, PFOSAA, and EtFOSE-OH in the Sera and Liver of Crl:CD@BRVAF/PIUS@Rats Exposed to PJ-EtFOSE-OH Data Requiremeni!

Study Title Soil Adsorption/Desorption Study of Potassium Perfluorooctanesulfonate (PFOS) Data Requirement Based on OECD 106 Author MarkE.

AR226- 190K rSHeITsT62953, T63164,T65682, T7071, 171321 !