3M General Offices ES38t1M7PCaeln,te1Mr1N10$514.10 July 14,2004 BM ve voi UESPAEnEvaistr,onRmoeontmal44P1r0otection Agency pr W1a2s01hiCnogntsotni,tuDtiCon A2v0e4n6u0e, NW VIA UPS Re: Information on Perfluorooctane Sulfonates and Related Compounds, CD No. 6 Dear Mary: cThoimspocuonntdisn,ueass 3paMr'tosfvooluurntoanrgyoisnubgmdiisaslioognuseowfitdhatEa PoAn preergfalrudoirnogocftluaonreoscuhlefmoincaatless. anWderealraeted enclosing compact disc (CD No. 6) containinag numofbstuediers, as more fully described.

AR226-2272 xcr""" ^f :-- 9' Dabbie J Mulrooney 04/10/2002 10:22 AM To: cc: Subject: Catherine A Barton/AE/DuPont@DuPont Wash Works C8 Max Concentration Cathie, You asked me the other day for the maximum concentration value for the Washington Works C8 modeling.

DuPont Fluoroproducts AR226-2342 DuPont Fluoroproducts Chestnut Run Plaza P.O.

AR226-3392 Subchronic Toxicity 90-Day Oral Gavage Study of of 8-2 Telomer B Alcohol in Rats G.S.

3M EnvironmentaLlaboratory FinalReport-AnalyticSatludy Single-DoIsnetravenouPsharmacokinetSitcudyofT-6054inRabbits In-VivSotudyReferencNeumber:HWI#6329-138 StudyNumber: ANMT-122094.2 TestSubstanceF:C-129(T-6054) Name and AddressofSponsor: 3M SCD Division 367 Grove Street St.Paul,MN 55106 Name and Address ofTestingFacility: 3M EnvironmentalTechnology& Services 935 Bush Avenue St.Paul,NlN 55106 Method Numbers AMDT-M-1-0, AMDT-M-2-0, AMDT-M4-0, AMDT-M-5-0, AMDT-M-8-0, and Revisions: Thermal ExtractionofFluorideby Means of a Modified Dohrinann DX2000 OrganicHalideAnalyzer-Liver FluorideMeasurement by Means ofan Orion EA940 Expandable Ion Analyzer ExtractionofFluorochemicalsfrom RabbitLiver Analysisof RabbitLiverExtractforFluorochemicalsUsing ElectrospraMyass Spectrometry Analysisof FluorideUsing the SkalarSegmented Flow Analyzer with Ion SelectivEelectrode InitiatioDnate: See attachedprotocol Author:James D.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonicacid)(CAS # 2795-39-3).

am Lest 7/ 2(/ AR 226 _ 350 SHENVIRONM`ENPTARL LONASOJOERE0A5TC0ORT2Y Analytical Report Coma. ~ Cay Definitive Study: Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry LaboratoryRequest Number: 05-0442 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory - eee 8 3M Environmental Laboratory 5 UR MaPrrkojEe.ctEfLleeafdson BPuiOldBinogx23-333E3-109 Saint Paul, MN 55133-3331 Phone: 651-778-5405 2 z 3 g=z m= s Te`sWtiilnigamFaKc.ilRiteyaMgaenn,agPehm.De.nt BPuiOldBinogx23-333E3-109 Saint Paul, MN 55133-3331 Phone: 651-778-6565 Requestor BuiDladliengB2a-co3n-0 PO Box 33331 SaintPaul, MN 55133-3331 Phone: 651-778-4736 Page tof1o ----------------ee-- e ---- ee-- e SEWNVIRONMEPNRTAOLILNEAOBCOER0TA8T0O4R2Y 3M Environmental Laboratory Analytical Report Project Number: E05-0442 1 Introduction / Summary `The following analytical report presents data from commercially available normal `pooled human serum that were purchased by the 3M Environmental Laboratory and. subsequently screened for endogenous fluorochemicals.

3M 3M General Offices August 1, 2008 3M Center p ~ St.

Attachments to Letter to C.

AttacShtmuednitess atondLeOtttehrertoICn.foArumeatridoanteodn MCearyta1i8n, 2000 Perfluorooctane Sulfonate-Related Compounds 3.

3E M nvir Laboo raton ry me ~~ ntal Final Report- Analytical Study Single-Dose Dermal Absorption/Toxicity Study of T6052 in Rabbits In-Vivo Study Reference Number: HWI#6329-135 TSetsutdySuNbusmtbanecre:: AFMCD-1T2-002(0T7-69055.21) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.

ARRRG | |02 Study Title 2E6xt-eWnedeekdCRaepcsouvleeryToSxitcuidtyy SFotluldoywiwnigtha SPaelrtfi(uPoFrOoSoc;tTa-n6e2S9u5i)foinnicCyAncoidmoPlogtuasssium Monkeys Author Peter J.

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.L9opp 3M Geenrers tomOfices S3M hCentrits S273 1110 AR226-1541 be Coner October 28, 2003 216aM SEHR - 1003 ISHE3 RECEIVE!