FOR DU POMT USE ONLY Copies to AR226-2898 E.

AR226-2899 FOR DO FONT USE ONLY 4 E.

AR226-3128 -_-- pemmus TRADE SECRET Study Title H-24119: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-3268 AUTHOR: Carol Finlay, B.A.

SPONSOR ElfAtochemS.A.

ARRAE -- 3250 432 ARRRG - 3250 DuPont11101 -- TRADE SECRET Study Title H-25357: Acute Dermal Irritation Study in Rabbits Laboratory Project ID: DuPont-11101 TesT GUIDELINES: U.S.

| ~ AR226-3324 [crTe--] Summary of Results | a DuPont CONfidential pouse pacmsnrscaco -- pint Test]am-- - Summary of Results 9Jan-2004 DuPont Confidential 2 CompanySates.Dos cats TSCACH!

ARARG 3Shy ATTACHMENAT 1 Submittal to 084 000004 XY&!

SolubilitEystimateofFC-95 by use of XerlexTOC Analyzer WATER SOLUBILITY (BY ANALYSIS OF TOG) TEST SUBSTANCE Identity:Peffluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks field: The testsubstance isa whitepowder (3M Lot 583) of uncharactedzed purity.

Summary Report 104-Week DietaryChronicToxicityand CarcinogenicitSytudy withPerfluorooctanSeulfonicAcid Potassium Salt(PFOS: T-6295) inRats PREPARED FOR: 3M COVANCE STUDY NUMMER: 6329-183 SUMMARY REPORT -WEEK 53 104Week DietarTyoxiciatnydCarcinogeniSctiutdyywithPerfluorooctane SulfonicAcid PotassiumSalt(PFOS; T-6295)inRats Timeline Covance 6329-183: In-lifsetartdate:April20, 1998 Week 53 completed:April25, 1999 Introduction The purposeofthisstudyisto assessthechronictoxicitaynd carcinogeniciotfythetest materialT,-6295 (PerfluorooctanseulfoniaccidpotassiumsaltP,FOS), when administered inthedietto ratsforatleast104 weeks.

(OHAZLEOCC3NLABORATAOMRERIICEA,SINC.. 9200 LEESBURG TURNF31KE, VIENNA.

Data from Fathead saltof PFOS inIP ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:PerfluorooctanesulfonatAem,monium salt;may also be referred to as PFOS NH44saltorPC-93. (1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafalmumornoi-u,m salt,CAS # 29081-56-9) Remarks: Test sample was takenfrom 3M productionlot#1.

HAZLR;'CON LABC)RATC)Rlr=S ARAF-RICA.

3M MEDICAL DEPARTMENT TOXICOLOGY SERVICES To: GeodeanAdams 290-4-01 cc:John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject:FC 95 and 143 Teratology Date: 26 May 1998 John passed on to me your requestforsomeone to review and writean analysison the eye lensdefectthatwas reportedintheoriginaFlC 95 ratteratologystudy.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

MICROBICS MICROTOX@) TOXICRTY TEST TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC-1 16, FC-1 26, FC-1 69, FC-1 43 or as the major component of FC-1015 or FC-1 015-X.