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.

ORUNOACK-LABORATORIUM FOR ANGEWANDTE BIOLOGIE 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroDaphnia magna Reproduction Test (21 d) Limit Test `according to OEC(Da-dGoputieddeSlenpet2e1m1befror1T9e9s8t)ing of Chemicals Sponsor TelomeArsRaenseGauracshsProject OKCIuNorursTiRnIES LTD Dupont Author Martina Noack Testing Facility DFRU.RUANNOGAECWKA-NLDaTBEOBRIAOTLOOGRIUEM K3at1h1e-5Pa7uiSuasr.sStre.dt1 Laboratory Project ID SPrtoujdecytN-oN.o. 0D2R0E7B1A9101KT Study-No.of theStudyPlan: DREB411- Page 1010 Study Completed on 2003-10-17 -- EE -------- ------ -- A ------ SRT SR oEFtTS33i 44558i677808e9ps8do1ca0tu1o 0: Se rian oSopmeen saeaecs Statement of GLP Compliance a eondc 04485867718080e9p3r.a1t0n cane oc No 1 esr Carica I onc 0448566707e8p95s1 fon ace I Tr en oness s (Batch number: PO0/001) poiiadis RR, OO ci rerPe RRS op--ve-- .

BACK TO MAIN PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH-EATING WATER BIRDS John P.

BACK TO MAIN STABILITY IN WATER (HYDROLYSIS) TEST SUBSTANCE Identity: Remarks: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as NEtFOSE alcohol. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS# 1691-99-2). 3M production lot number was 936.

3M Strategic Toxicology Laboratory Study Title: Acute Inhalation T.oxicokinetic Study of Perfluoroctanesulfonyl Fluoride (POSF) T-7098.4 Test Number (sample): T-7098.4 (Perfluoroctanesulfonyl Laboratory Project Identifi'cation: ST64 In-Life Initiation Date: 5/1/2001 In-Life Completion Date: 5/14/2001 Research Client: 3M Specialty Materials Division 3M Center Building 236 Saint Paul, MN 55133-3220 Fluoride (POSF) Testing Laboratory: 3M Strategic Toxicology Laboratory 3M Center Building 270-SB- 181 Saint Paul, MN 55133-3220 Study Director: Andrew M.

LaSrariyVRi.oZPorbeesli,deMntD MPR 0dMedical Dirctor 3M Medical Deparment S3tM.

AR226-1892 81 PP EPA -DuPont Telomers Degradation Technical Meeting 9 AM - 4 PM 15 December 2004 Washington, D.

AR226-2232 Steven L Grise 12/12/2001 09:43:14 AM To: cc: Subject: Bernard J ReilIy/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DiiPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont Steven L Grise/AE/DuPont@DuPont C.O.

AR226-2317 ^ Charles J Zarzecki 03/26/2003 11:02 AM To: cc: Subject Ann K Masse/HO/DuPont@DuPont Catherine A Barton/AE/DuPont Washington Works C8 Modeling Report Ann, As we had promised, attached is the modeling report that Debbie Mulrooney wrote for the modeling she did for Washington Works.

AR226-2492 ) MY ^(a"I^ie--S/ 08/31/01 11:01 0:08/13 N0:150 HjynKUCW* ^HWWfUVt Ewr1)^ ya-w-s '-"'" "it'B-;;.,.

3M Environmental Laboratory FinalReport-AnalyticaSltudy Single-dosIentravenouPsharmacokineticStudy ofT-6246inRabbits In-VivoStudy ReferenceNumber: HWI#6329-159 Study Number: AMDT-042095.1 TestSubstance: FC-95 (T-6246) Name and AddressofSponsor: 3M SCD Division 367 Grove Street St.Paul,NIN 55106 Name and Address ofTestingFacility: 3M EnvironmentalTechnology & Services 935 Bush Avenue St.Paul,MN 55106 Method Numbers AMDT-M-1-0, AMDT-M-2-0, AMDT-M4-0, AMDT-M-8-0, AMDT-M-14-0, and Revisions: Thermal Extractioonf Fluorideby means of a Modified Dohrmann DX2000 OrganicHalideAnalyzer-Liver FluorideMeasurement by Means ofan OrionEA940 ExpandableIon Analyzer ExtractionofFluorochemicalsfrom RabbitLiver AnalysisofFluorideUsing theSkalarSegmented Flow Analyzer with Ion SelectivEelectrode Thermal Extractionof Fluorideby Means of a Modified Dohrmann DX2000 OrganicHalideAnalyzer-Serum InitiatioDnate: See attachedprotocol Author:James D.

p. 1 Congress reports : EPIDEMY OF ACUTE RESPIRATORY ILLNESS LINKED TO USE . . .

ELSEV ER Wear 266 (2009) 632-638 Contents lists available at ScienceDirect Wear journal homepage: www.elsevier.com/locate/wear A comparative investigation of the wear behavior of PTFE and PI under dry sliding and simulated sand-dust conditions Chunxia Li a' b' *, Fengyuan Yana a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China b Graduate School of Chinese Academy of Sciences, Beijing 100864, PR China ARTICLE INFO Article history: Received 31 August 2007 Received in revised form 23 June 2008 Accepted 6 August 2008 Available online 23 September 2008 Keywords: PTFE PI Simulated sand-dust Tribolayer ABSTRACT The wear behavior of polytetrafluoroethylene (PTFE) and polyimide (PI) has been comparatively evaluated under dry sliding and simulated sand-dust conditions.

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TSCA SANITIZED p. 1 ,9cu6-3ss3 CHARLES RIVER LABORATORIES fted'rnicaJ Services 29 May 2007 Steven C.