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. wa ff ARR26 _ IST16 CDhuesntnsutHRuunnnoPplarzdaces JI 269 22POi.mnBgononS0.71 pi isso DuPont Fluoroproducts September 15, 2003 VIA OVERNIGHT MAIL " Document Control Office (DCO) ~ OfficeofPollution Prevention and Toxics (OPPT) of US Environmental Protection Agency = EPA East, Room 6428 = 1201 Constitution Avenue, NW Washington, DC 20460 Attention: Docket No.

AR 226-0HoH BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, FC-109-X or R1904.

B pp Ese ' ici M6 AR226 - 0627 | | 3M Fluorochemical Initiative Environmental Program .

ff oCo o Attn: Bill Weppner and Dan Hakes, 3M 4fio[2000 em From: Cartes A AR ARE - 0633 Dear Bill and Dan, s1 ufbomuinsdsitoodnoafy'tsespthodnaetacailnl3usMesfulpoisnsheeslspiionngotrocsonhtarroplenonantdheclpaerrifflyusooromcehoefmiocuarlspraisordiitsycunseseedds ifnor my email message of April 7, 2000.

AR 826 _ 065D PFOS Repeat Dose - la 000066 PA athology Assoceiae ter s Inotersnatrieoornal Ea -:.

av Specalty Materials 3Su PCa,erMN 1441000 6517331100 M7 29 257 0 September 20,2000 @ DCihraerclteosr,AuCehrem(iEc4a0l3CCo)ntrol Division Office of Pollution Prevention and Toxics UOfSfiEcneovfiPrronemveennttailonP,roPteescttiicoindeAsgaenndcTyoxic Substances 4W0a1shMingSttroene,t,DSCW20460-0001 Re: Response to 8/1/00 note from Ward Penberthy, EPA a)0GEs = NS 3 = 25 x or 5 ~ Dear Mr.

. 7(7 14September 2000 AR 226 _0938 EPA/Fluoropolymer Industry Meeting ET------ 1 Introductions 1 Meeting Purpose 1 Introduction to the Fluoropolymer (FP) Industry 1 Fluorinated Processing Aids (APFO/PFOA) in Fluoropolymers 1 Discussion & Feedback Meeting Purpose rE ------ 1 Provide Overview of FP Industry 1 Who, What, How, Critical Uses 1 Open Communication Channels 1 Describe What Industry Is Doing 1 Determine EPA Expectations& Plans 1 Regulatory Actions 1 International Coordination 1 Discuss Next Steps S8 o3n SR o=zo 25ez55 % Contain NO is I Society of the Plastics Industry (SPI) Fluoropolymer Manufacturers Group (FMG), " 1 A Special Purpose Committee of the SPT #1 Tsahfee mmiasnsuifoancotfurtehe&FuMsGeoifs ftlouporroompootlyemtehres cmoantdienuuesding &flusourpipnoartteidnpgolryemseproinzsaitbiloencaariedeisn (tFhPeA)uswehiolfe establishing fluoropolymer products & minimizing the impact on the environment FMG Objectives for Meeting rr -- 1 Illustrate Necessity of the Continuing Safe Use of APFO 1 Demonstrate Industry's Safety & Health Awareness 1 Identify EPA Concerns FMG Members 1 Asahi Glass Fluoropolymers 1 Atofina 1 Ausimont 1 Daikin 1 DuPont & DuPont/Dow Elastomers 1 Dyneon (a 3M Company) Fluoropolymers & PFO Chemistry re-- 1 APFO Vs.

150 ff AR 226- 0947 Telomer Research Program 2 Update and Status Report : Presented to U.S.

Te [dE AR. 1729 SRPT i257g [ MswemcTowdopiabomon Study Title: Acute Inhalation Toxicokinetic StudyofPerfluoroctanesulfony!

AR226-1748 Lab0ratoyRep-t-Revision1 Analytical Reportof Data for PFOS Dietary LC50 Studiyn Northern Bobwhite (Sera and Liver) Laboratory Report No.FACT-TOX-129 (U2723) Testing Laboratory ~~~ ~ 3M Environmental Technology& Safety Services 3M Environmental Laboratory FluorineAnalybcal Chemistry Team (FACT) 2-3E-09 935 Bush Avenue, St.

|~ XY&Research AR,226-- 177& Fon Ress.

BACK TO MAIN BIODEGRADATION (Anaerobic Sludge) 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 3M production lot number was 217 (TN-A-2130).