HYDROLYSIS (ALKALINE) TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422.

BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanol;may alsobe referredtoas N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidofuncharactedzed purity.

Pathology Associates International A Company of ScienceApplicationsInternationaClorporation AnarO&AOOWUd CW4POnY Sponsor: 3M St.Paul,Minnesota PROTOCOL Study Title: CellProliferatiSotnudy withN-EthylPerfluorooctanesulfonamEitdhoanol(N-EtFOSE; 3M T-6316.11), PerfluorooctanSeulfonicAcid PotassiumSalt(PFOS; 3M T-6295.16)a,ndN-EthylPerfluoroctanesulfonamide (PFOSA 3M T-7091.1)inRats Date: January12,1999 Performing Laboratory R.O.W.

CorporatOeccupationMaeldicine 3M CenterB,uildin2g20-3W-05 St.PaulM,N 55144-1000 651-1347230Telel;Liune 6517339066Fax 2.

Corporate OccupationalMedicine 3M Center,Building220-3W-05 St.Paul,MN 55144-1000 651 737 4'@30Telephone 651 733 9066 Fax 7.

TOXICITY TO AQUATIC PLANTS (E.G.

ACUTE TOXICITY TO FISH (RAINBOW TROUT) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FC-3052. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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AAR2R2E6--33663364 INTERIM REPORT 61 Analvss ofOakdale Water Samples STUDYTITLE Analysis of Perfluorooctanoic Acid (PFOA), Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using a: LC/MS/MS for the 3M Cottage Grove Monitoring DATA REQUIREMENTS [EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE `Weston Solutions, Inc.

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pt MgrianenD0ne8e4 s To Sn- "N0SCIoCn5OFPPa1Tra@vEA2Pr"AiTor2E@tAi0Dawk0coCn8a>r AL226-3pg Taft/ Deborah McCrea / Legal Assistant a 125 asSr&ehe aotke 1(51050 Cincinnati, Ohio 45202-3957 CAE 355s Fan 10381 coos www.taftiaw.com / mccrea@taftiaw.com 8 : 3 he od3 = tEroeltsRehoeevterdneueaecSse0ao)roiansemmtoaCintersgcus.olarard2t3o0n.iDfionscloBhbsresurorece:aAmosompmrmooasfvniUidoynedSof(onrhingnoTrgepaaspnEuaarylyCieaeuOulanvtNaoansts,ooaaitcrasln(mdaftasems)or essed rte. ie smmaessssaage geedmaseyorcoeansamniianofscoonmotaatarioannstTonaittrirre.eyGnelaesnstvoopsyeavhedgaedssteoorase3yorfwtTosropk ropomiaacdtasnodaree e FSraonme: ocaonnoniceop3y,202a00@8lf3i.ca5omwPH[malo canonopy20aGactoam] TSourbjceectn0,41a3t/2o00r9 eter To PADckes Center ES CONTAINS NO CBI 2 RR, am 189 8 Shiv nog ps 25 Wut Set,SeC 1800/Coocinnc a, OHo5Co2ba0ro239n D5oi5n1a3.38p1 2o83l83a51r3.3i8etn0ts20eF5torswo8 naottSemoiUonP [c A rn--g--sn ---- - June 12, 2009 FEDERAL EXPRESS EPA U.S.

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PFOS: A 48-HOUR STATIC ACUTE TOXICITY TEST "WITH THE CLADOCERAN (Daphnia magna) FINAL REPORT `WILDLIFE INTERNATIONAL LTD.

FE-15 TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) ARY oll 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 field: The test substance is a white powder of uncharacterized purity.