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.

3M Environmental Laboratory FinalReport-AnalyticaSltudy Single-DoseIntravenousPharmacokineticStudy ofT-6053 inRabbits In-VivoStudyReferenceNumber: HWI#6329-136 Study Number: AMDT-010495.1 TestSubstance:FC-99 (T-6053) 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-5-0, AMDT-M-8-0, and Revisions: Thermal ExtractioonfFluorideby Means of a Modified Dohnnann DX2000 OrganicHalideAnalyzer-Liver FluorideMeasurement by Means ofan Orion EA940 Expandable Ion Analyzer ExtractionofFluorochemicalsfrom RabbitLiver Analysisof RabbitLiverExtractforFluorochemicalsUsing ElectrospmyMass Spectrometry Analysisof FluorideUsing the SkalarSegmented Flow Analyzer with Ion SelectivEelectrode InitiatioDnate: See attachedprotocol Author:James D.

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I Speci Materials Su PeounlerMY 55148-1000 aS February 20, 2008 Via Hand Delivery Docket AR-226 EPA East Building, Room 6428 1201 Constitution Ave.

\ NOTE TO FILE AR 226 _ 10/3 DATE: April 5, 2001 FROM: Karen Lannon SUBJECT: EPA/3M Meeting Concerning PFOS AA meeting was held from 10:00 am to 11:30 am on March 28, 2001 to discuss the Psthaatsues-oofut3Mp'lsant;esOtEinCgDpraoctgirviatmiesa;ndansdchteradnuslietifoonrpdraotdaucstsu.bmissions; the status of 3M's.

AR2z26 - 1050 SELECTED FLUOROCHEMICALS IN THE DECATUR, ALABAMA AREA 5 om 22 Prepared for: am St.Paul, Minnesota Prepared by Entix, Inc.

329 ff AR226- 1077 DRAFT HAZARD ASSESSMENT OF PERFLUOROOCTANOIC ACID AND ITS SALTS OfUf.iSc.eEonfvPiorlolnumtieonntaPlrePvreontteicotnioannAdgTeonxciycs Risk Assessment Division February 20, 2002 es0e0i PREFACE.

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Telomer Research Program AR226-1430 Report Title: 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroEffects on the Development of Caenorhabditis elegans in a Water-Sediment System RECEIVED OPPT NCIC 2003 July 18 1:09PM Author(s): Gunda Winkelmann Contractor: Dr.

AR226-1734 Toxicological Summary PFOS Dietary Acute Mallard Study Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

3M Environmental Technology and Services PO Box 33331 St.

-- APILOT REPRrOosD:SUTUCDYTWiITHOTHNE NORTHERN BOBWHITS FINALREPORT WILDLIFE INTERNATIONAL, LTD, PROTECT NUMBER: 454104 SMLABREQUEST NO, 223 FIERA Guideline 714 AUTHORS: SRoaauyopnndGLBt.iegVovacsovn STUDY INTTATION DATE: Petry 26,2000 STUDYCOMPLETION DATE: Dinter 18,2005 Saitedto ov53uBCumopALivaabemsy StPaul, Minnesota 55106 Wildlife International, Ltd.