BIOACCUMULATION TEST SUBSTANCE Identity:N-EthylperfluorooctanesIufonamide;may also be referredto as U1464, ETFOSA, ETPOSA, F-6309, or FX-12. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa white solidofuncharacterizedpurity.

Submitted to: BIOSEARCH, INC.

3M EnvironmentaLlaboratory FinalReport-AnalyticaSltudy Single-DosDeermalAbsorption/ToxiciStyudyofT-6052 inRabbits In-VivoStudyReferenceNumber: HWI#6329-135 StudyNumber: AMDT-020795.1 TestSubstance:FC-120(T-6052) Name and AddressofSponsor: 3M SCD Division 367 Grove Street St.Pau'1,MN 55106 Name and Address of TestingFacility: 3M Environmental Technology & 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, AMDT-M-14-0, and Revisions: Thermal Extractionof Fluorideby Means of a Modified Dohrrnann DX2000 OrganicHalideAnalyzer-Liver FluorideMeasurement by Means of an Orion EA940 Expandable Ion Analyzer Extractionof Fluorochemicalsfrom RabbitLiver Analysisof RabbitLiverExtractforFluorochemicalsUsing ElectrosprayMass Spectrometry Analysisof FluorideUsing the SkalarSegmented Flow Analyzer with Ion SelectiveElectrode Thermal Extractionof Fluorideby Means of a Modified Dohrmann DX2000 Organic HalideAnalyzer-Serum InitiationDate: See attachedprotocol Author: James D.

M u ta g e n ic i ty T e s t 1n g o f 2-[N-ethyl-N-perfruoloalkyl(C=I- B)sulfonylaminolethylacrylate in B a c t e r ia I R e v e r s e M u ta t io n A s s ay s (study number 2862) T- C" B M L, I N C.

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ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateF,C116,FC-126,FC-169,orFC-143.

CAS Number 24448-09-7 3M Company Voluntary Use and Exposure Information Profile N-methyl perfluorooctanesulfonamido ethanol 1.

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CaApndorteesV.GoMuarlsienlowski VoiumtaogritotennOtfc Bosngs W0imnregeoer0,te1.o56n%mea `nde nanowsiusa dupont om Em October 16, 2006 VIA FEDERAL EXPRESS TESPACAEaDsotc--uRmeonotmP6r4o2ce8ssing Center (7407M) AUtSt.n: EnSvecitrioonnme8n(te)al~ PFrYo1teCctoioorndiAngaetnocry W1a2s01hiCnogntsotni,tuDt.iCo.n A2v0e0n0ue4,33N0W2 Phone: 202/564-8940 NocBI Re: PFOA (perfluorooctanoic acid) and PFOS (perfluorooctanesulfonate) Sampling Pascagoula, Mississippi Baseline Study/Report (October 2006) Dear FYI Coordinator: YPoleuarseconfivnednieennccleo,seadcaopcyoopfyhoifstehnetiarbeosvueb-mdiesnstiiofnieid astlusdoyp,rosvuibdmeidttoend tfhoereynoculrosiendfoCrDm.ation.