InternatioRneaslearcahndDevelopmenCtorporation SPONSOR: COMPOUND: SUBJECT: 3M Company FluoradO Fluorochemical FC-143 Ninety Day Subacute Rat Toxicity Study.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-201. (1Octanesulfoniaccid,perfluoroalksyulffonatesalts(5)+ (5140P)) (CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.

BIODEGRADATION TEST SUBSTANCE Identity: FPeCr-f9l5u.or(o1o-cOtacnteasnuelsfuolnfaotnei;c amcaiyd,a1l,s1o,2b.e2,r3e,f3e.r4r,e4d,5t,o5a.6s,6P,F7.O7S.8.o8r8- heptadecafiuoro-, potassium salt, CAS# 2795-39-3) Remarks field: The test substance is a white powder of uncharacterized purity.

lo Submitted to: BIOSEARCH, INC. pc. box 8598 philsdelphis, pennsylvania 19101 telephone: (215) 848-4499 Project Number - 78-1161A 33H CCoemnptaenry St.

BIOSEARCH.

R16 ug?

AR 36 -078/ ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTSUBSTANCE 00 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95,oras a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS# 2795-39-3).

/0 Submitted to: BIOSEARCH, INC.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may also be referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-126, FC-169, or FC-143.

T- 4q 28 Day Percutaneous AbsorPtiOn Study with FC-98 in Albino Rabbits L-44-) Experiment No.: Conducted At: Dates Conducted: Conducted By: 0979ABO630 Safety Evaluation Laboratory Riker Laboratories, Inc.

La AR R26 -- 0800 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST JESTSUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

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FUR DU FONT USE ONLY AR226-2892 Copies Co E.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116,FC-1 26,FC-1 69,or FC-143.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component ofFC-206 or L3243. (1-Octanesulfonaicid)(CAS # 2795-39-3).