) 0A1n1t22h1o20n0y42 P12a:y4e9ePM gToo Subject MJBlooonordAyRDKaBatoiswsmaaAnE/ADEUDPuoPnain@@OuDPuoPnotnt rmeesduitlnctsaelarsceonpifniopdpeonmn.tysioauelr. reAqnuesetm,plhoeyreee'iss trheesubltoofrdomdatthaef2or002000t1eswiintgh iesmpilsoyseteandawmheesnoamvietreetdie0. proeyserve.

- - - PFOS: A PILOT REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE AR226-1750 FINAL REPORT WILDLIFE INTERNATIONAL,LTD.

Decomposition of Perfluorooctane Sulfonate by Combustion Processes Introduction To understand the potential degradation pathways for perfluorinated chemicals, it was necessary to model the thermodynamics of incineration processes.

BACK TO MAIN 3M Environmental Laboratory Report No.

ACUTE TOXICITY TO FISH (Rainbow Trout) 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 test substance is a white powder.

MIN 319022356 PERFLUOROOCTANESULFONYLFLUORIDE (POSF) 7 - 7 b b I, 3 IN VZTRO MAMMALIAN CHROMOSOME ABERRATION TEST IN HUMAN LYMPHOCYTES Sponsor 3M Center 3M Corporate Toxicology Building 220-2E-02 St Paul MN 55133-3220 USA Page 1 of 31 Research Laboratory HuntingdonLife Sciences Ltd Woolley Road Alconbury Hunt ingdon Cambridgeshire PE28 4HS ENGLAND Report issued 22 October 2002 001542 MIN 315/022356 CONTENTS Page CONTENTS ................................................................................................................................ 2 COMPLIANCEWlTH GOODLABORATORY PRACTICE STANDARDS.......................

Toxicological Summary PFOS Dietary Acute Northern Bobwhite 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).

: ARa22.6-1896 : RoiIES IPCNORFNOOFTRIEMDCAETTNIITOOINNAULSNUBDBUEJSREICNTTEHSTESO `RTEODAXAINCCDTSOEUTDBHSFETRRAONLMCAETWSHSICSHODANOSTCRBUOEMLEENANCTT Toxicokinetic Screenof FC Title: Methyl Carboxamide (T-7483) In Rats.

AR226-2207 ^ Debbie J Mulrooney 11/02/2001 09:43 AM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont C8 Particle Density Rob, In addition to the particle size distribution, I need a particle density in order to start doing a sensitivity analysis.

AR226-2314 / Charles J Zarzecki 03/17/2003 11:09 AM To: cc: Subject Catherine A Barton/AE/DuPont AERMOD Met Data Hope you're having a wonderful conference call.

AR226-2560 August 31,2001 Mr.

IFM Recherche S ^ C Au" r^PIFAL DE 5 :;50 OCO AR226-3144 CONFIDENTIAL SPONSOR ElfAtochemSA.

TRADE SECRET Study Title H-24018: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2927 AR226-3157 DuPont-2927 AUTHOR: Carol Finlay, B.A.

3M EnvironmentalLaboratory FinalReport-AnalyticaSltudy Single-DosIentravenouPsharmacokinetiSctudyofT-6067inRabbits In-VivoStudyReferencNeumber: HWI#6329-151 StudyNumber: AMDT-120694.1 TestSubstanceL:-13492(T-6067) Name and AddressofSponsor: 3M SCD Division 367 Grove Street St.Paul,NfN 55106 Name and Address of TestingFacility: 3M EnvirorunentaTlechnology & Services 935 Bush Avenue St.Paul,MN 55106 Method Numbers AMDT-M-1-0, AMDT-M-2-0, AMDT-M-4-0, AMDT-M-5-0, AMDT-M-8-0, AMDT-M-14-0, and Revisions: Thermal Extractionof Fluorideby Means of a Modified Dohnnann DX2000 OrganicHalideAnalyzer-Liver FluorideMeasurement by.Means of an Orion EA940 Expandable Ion Analyzer Extractionof Fluorochemicalsfrom RabbitLiver Analysisof RabbitLiverExtractforFluorochemicalsUsing ElectrosprayMass Spectrometry Analysisof FluorideUsing theSkalarSegmented Flow Analyzer with Ion SelectiveElectrode Thermal Extractionof Fluorideby Means of a Modified Dohnnann DX2000 OrganicHalideAnalyzer-Serum InitiatioDnate: See attachedprotocol Author:James D.

@@aciceanalyt FieldServicesDivision 3M Prepared by: Pace Analytical Services, Inc.