InternCaolrrespondence to: Frofn: Subject: Date: COMMERCIALCHEMICALS ANALYTICAL REPORT #346 E.

C)--aTleratology *-tudyof T-299SCoC in P@r-a-@ Mcoeriment No.: Conducted At.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203C and L-5440. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.

MICROBICS MICROTOXID TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFX-3106.

AR226-1983 '.

AR226-1988 Ig^^^^^.^.

AR226-2584 OuPoni Ena'ineeritiB BarttYMillPlBZa.Blllg.27 Lancaster Pike 8. ftte. 141 Wilmington.OE 1980S DuPont Engineering May 7.2002 George R.

FOR DU PONT USE ONLY AR226-2943 Du Pont HLR 651-89 Study Title Inhalation Approximate Lethal Concentration and Author Rudolph Valentine Study Completed On November 22, 1989 Performing Laboratory E.

Special Lens oral Teratology Study of T-2999CoC in Two Strains of Rats Experiment No.: Conducted At: Dosing Period: Study Directort 0681TR0362 Safety Evaluation Laboratory Riker Laboratories, Inc.

MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateF,C116,FC-126,FC-169,orFC-143.

1 force eked "1i SSuiFgng M27o0s35c0a5 S3S16Cae1n0t0r0 n TWO YEAR ORAL (DIET) TOXICITY / CARCINOGENICITY + STUDY OF FLUOROCHEMICAL FM-3924 IN RATS 1 (RIKER Experinent No. 0281CRO012) i7 Conducted During April, 1981 - - May, 1983 1 Volune 4 of 1 RIKER Laboratories, Inc. / 3M Company St.

TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EFOSA, EPPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2.2,3,3.4,4,5,5.6,6,7.7,88,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid, Lot 505 (cc842-3, F630, L-1089).

aan A E.1. 0U PONT OENEMOURS & ComPANY WitminaTon, DECAWARE 10808 cc M2s3.

AR 226 - O7#7 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9i5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y3CaEl.so b(1eOctanesulfonic acid) (CAS # 2795-39-3). 2R0e3mCaEr.ksC:urreTnhtein3fMorpmraotdiuocntiinodnic[aottensuimt bisera wmiaxstu5r1e9.ofT1h.e8t4e%stPsFaOmSpl,e30is%FCeStodhiyulmenocetygliyscuollfabtuet,yl2.et1h%erp,o6ly0o.x2y3e%thwyalteenre,m2o.n5o6oc%tSyulplhteonnylfoeatmheerr,, 03..112%% sodium lauryl sulfate, and 0.05% tolyltriazole. crTehhfaelreafccottltlehorewiizbneigdodsceougnmrcamedanatrbriyaltiaitpyoponlfsioetfshietmopfualrumioitrxiotecushr.eemDwiaicttahal icmnoacmyopmnopolnteetanectlcoyufrtahteelytest sample.

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