.3M Environmental Technology and Services CO Box 33351 St.

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AR226-2509 9 Stephen R Peck 03/07/2002 08:21 PM To: cc: Subject: Yasu Snibuta/SE/DuPon1@DuPont Ta-Wei Fu/SE/DuPont@DuPont, Mohammad Rezaei/SE/DuPont@DuPont Procedure for Analytical Determination of APFO Prnr.p.ritirB for Analvtinal DRtfrminatinr EDD0042621

M FORDUPONT USE ONLY AR226-2934 Du Pont HLR 624-87 Study Title Inhalation Approximate Lethal Concentration of [ ] Author Rudolph Valentine Study Completed On November 10, 1987 Performing Laboratory E .

AR226-3019 STATIC, ACUTB 48-KOOR SCMECRZlia TMT 0V 8-21095 TO csehaix WBHI POSJPOSS; This is a rangefinding study deigned to provide an estimat* of aquatic toxicity using fixed test concentrations and data oeasureiB^s^' ' at predetermined intervals.

AR226-3117 CONFIDENTIAL DPT441/984973 ALGAL GROWTH INHIBITION ASSAY Sponsor DuPont Speciality Chemicals, Jackson Laboratory, Chambers Works, Deepwater, NJ 08023, USA.

AR226-3176 DuPont-6011 TRADE SECRET Study Title H-24516: Influence on Growth and Growth Rate of the Green Alga Selenastrum capricomutum Laboratory Project ID: DuPont-6011 AUTHOR: Terry Lee Sloman, B.S.

ARag6_ 343 | { | { 418 i | | || [5rarGov-- age Sty-- n Ra ih OneGerm Reprodstion Evations HAAG - 3236 RDeuvriosendsP3a8g6e "TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats `with One-Generation Reproduction Evaluations Revision No. 1 Volume 3 of 5 "TEST GUIDELINES: U.S.

AR226-3340 ^0^1^ E.I.

CorporatHeealthPhysics 3M Center2,20-2E-02 CorporatoeccupationMaeldicine PO Box33220 CorporatPeroductResponsibility st.PaulM,N 55133-3220 CorporatTeoxicology 6517331110 3M MedicalDepartment IdentificatoifFolnuorochemicailnHsuman Tissue Theobjcetiovfethisstudyistodetermitnheeconcentratriaotnioisn,humans,oflivetro serum,livertobileand biletoserum forperfluorooctanesulfon(aPtFeOS).

BOD/COD IPA and wa --I mwwwmmrvp" BIODEGRADATION TEST SUBSTANCE Identity:PerfluorooctanesulfonatAem,monium salt;may also be referred toas PFOS NH4+ saltor FC-93. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafalmumornoi-u,m salt,CAS # 29081-56-9) Remarks: The testsample isa mixtureofthe testsubstance in isopropanoland water (25% testsubstance,20% isopropanol,55% water).No calculationwsere made toadjustfortheactualconcentration ofthetestsubstance inthe testsample.

-- --.r I I I 1-co i(,-Pi COVAA'Cio,rEm.o"@ THE DEVELOPMENT SERVICES COMPANY Summary Report 104-Week DietaryCarcinogenicitSytudy with Narrow Range (98.1%) N-Ethyl Perfluorooctanesulfonamido Ethanol in Rats PREPARED FOR: 3M COVANCE STUDY NUMBERS: 6329-212 and -228 SUMMARY REPORT -WEEK 53 104-Week DietaryCarcinogenicitSytudywithNarrow Range (98.1%) N-Ethyl PerfluorooctanesulfonamiEdtohanolinRats Ilmelines Covance 6329-212: In-hfestartdate:January26, 1998 Week 53 completed:January31, 1999 Covance 6329-228: In-lifsetartdate:April6, 1998 Week 53 completed:April11,1999 Introduction The purposeof thesestudieswas to assessthecarcinogeniciotfythetestmaterialT,-6316 (Narrow Range N-EthylPerfluooctanesulfonamiEdtohanoLNETFOSE), when administereidnthediettoratsforatleast104 weeks.

PHYSICAUCHEMICAL PROPERTIES TEST SUBSTANCE Identity:[2-(N-Ethylperfluoroocetsaunlfonamido) ethylacrylate;may also be referredtoas B1228, D-1, ETFOSEA, or FX-13.(2-Propenoicacid,2[ethy[lheptadecafluorooctyl)slufonyl]amnio]ethylester,CAS # 423-825) Remarks:Materiiaslan ambersolid.

CAS Number 25268-77-3 3M Company Voluntary Use and Exposure Information Profile N-Methyl perfluorooctanesulfonamido ethyl acrylate I.

IN VITRO MICROBIOLOGICAL @FLTTAGENICITY ASSAYS OF THREE 3M COMPANY COMPOUNDS Final Report April 1978 By: Vincent F.