BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may also be referretdo as PFOS, FC-95, or as a component ofFC-203C and L-5440. (1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecapfoltuaosrsoi-u,m salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 501.The testsample is FC-203C.

BIODEGRADATION (BOD/COD) TEST SUB -TANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-787 or FC787X. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

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24) OECD 205-OPPTS 850.2200, Acute avian toxicity (Mallard), 454-1 13 T-7485: A DIETARY LC50 STUDY WITH THE MALLARD SANITIZED WILDLIFE INTERNATIONAL, LTD.

3 3M Environmental Laboratory E05-0210 Interim Report#13 Interim Report #13: Analysis of Tennessee River Water Samples Study Title ANALYSIS OF PERFLUOROBUTANESULFONATE (PFBS), PERFLUOROHEXANESULFONATE (PFHS), AND PERFLUOROOCTANESULFONATE (PFOS) IN WATER, SOIL, SEDIMENT, FISH, CLAMS, VEGETATION, SMALL MAMMAL LIVER AND SMALL MAMMAL SERUM USING LC/MS/MS FOR THE 3M DECATUR MONITORING PROGRAM Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Michelle D.

"McCrea, Deborah" <mccrea@taftlaw.com> 03/06/2009 02 :34 PM Taft I Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel : 513 .381 .2838 " Fax : 513 .381 .0205 www.taftlaw.com / mccrea@taftlaw .com To NCIC OPPT@EPA cc "Bilott, Robert A."

CER en sees IR 226-0006 Free RECEVED Extent and Route of Excretionang acDteirstsriSbuitniaoin oInftrTaovtaelnoCuasrbon-] rFEIE,| uN 50 12 = aM Deceaber 2, 199% 1oxicOL8 Conducted at: During: Conducted by: Report. by: S5R8ui.kbespridaLiuaa,broyMrioanttonreoisneost,a Tne. 35101 2 une to Gotaber, 197 5. 3.

& 3M ENVIRONMENTAL LABORATORY METHOD EXTRACTION OF POTASSIUM PERFLUOROOCTANESULFONATE OR OTHER FLUOROCHEMICAL COMPOUNDS FROM URINE FOR ANALYSIS USING HPLC- ELECTROSPRAY/MASS SPECTROMETRY/MASS SPECTROMETRY Method Number: ETS-8-96.0 Adoption Date: 7-28-44 Author: Lisa Clemen, Glenn Langenburg Revision Date: NA Approved By: \ 1] Ze Laboratory Mhnager Date 5/77 Lit hn Group Leader 28/95 Date on A Cloman Technical Reviewer Hara Date 10 SCOPE AND APPLICATION 11 oSrcooptehe:r Tfhliusormoecthehmoidcails fcoormtphoeuenxtdrsacftrioomnoufrpinoet.assium perfluorooctancsulfonate (PFOS) 12 Applicable compounds: Fluorochemicals or other fluorinated compounds. 13 Matrices: Human, rat, and monkey urine or other fluids as designated in the validation report.

BIOACCUMULATION (ANALYTICAL ONLY) Err--7 TEST SUBSTANCE Identity: PFeCr-f9l5u.oro(o1c-tOacnteasnuelsfuolnfaotnei;c amcaiyd,a1l,s1o,2b,e2.r3e,f3e.r4r.e4d,5t,o5,a6s,6P,7F,O7,S8,o8r,8heptadecafluoro-, potassium salt, CAS # 2795.39-3) Remarks: Twhaes treesctosrudbesdtoanncteheispauriwthyi.te powder.

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ACUTE TOXICITY TO AQUATIC INVERTEBRATES -- Ceriodaphnia dubia TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to 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.,8,8heptadecafuoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid.

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