CC: ERD Division Directors R.

Internal Correspondence dc: V.

Acute Oral Toxicity Screen with T-3066COC in Albino Rats Experiment No.: Conducted At: Dates Conducted: Conducted By: 0981AR0146 Safety Evaluation Laboratory Riker Laboratories, Inc.

AR226-2405 INTEROFFICE MEMORANDUM TO: Mi Hi am E.

Pathology and Toxicology Rlker Laboratories, Inc.

#826 - 0711 BIODEGRADATION (301E) JESTSUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfopnoanteen,twhoficFhC-m2a0y3.al(s1o-be Octanesulfonic acid) (CAS # 2795-393).

AR226-2926 FOR DUPONT USE ONLY HASKELL LABORATORYREPORT NO. 180-85 Approximate Lethal Concentration by Inhalation (ALC?

M FORDUPONT USE ONLY AR226-2934 Du Pont HLR 624-87 Study Title Inhalation Approximate Lethal Concentration of [ ] Author Rudolph Valentine Study Completed On November 10, 1987 Performing Laboratory E .

Ex,-eriment No.: Conducted At: Dates Conducted: --onducted By: Re%,iewed By: ID Acute Ocular Irritation Test -ith T-3421 in Albino Rabbits 0883L--BC286 Safety Evaluation Laboratory Riker Laboratories, Inc.

Oral Rangefinder Study of T-299BCoC in Pregnant Rats Experiment No.: Conducted At: Dosing Period: Study Director: 06BORROO18 Riker Laboratories, Inc.

SCSCI1EFN~CNECE PPUUBBLLIICCAATTIIOONNSSTTRRAATTEEGGYY JC 109% PPuubblliiccaattiioonnofosfcsiceinetnitiffiicc aanndd tteecchhnniiccaall iinnffoorrmmaattiioonn oonn tthhee FFCC iissssuuee sshhoouulldd ffoollllooww aa ssttrraatteeggiicc ppllaann that key findings can be understood in the context ofthe published scientific literature.

---- Experiment No.; J Conducted At: -- Dates Conducted: CCoonndduucctteedd BByy:: -- Reviewed By: AAccuuttee OOccuullaarr IIrrrriittaattiioonn TTeesstt wwiitthh ad TT--22996600COC iinn AAllbbiinnoo RRaabbbbiittss leenas &NE=, NE -- 0880EB0598 TT Safety Evaluation Laboratory ra, Riker Laboratories, Inc., re morsels, St.

/)R m - 0 1 % 3 Special Lens Oral Teratology Study of T-2999CoC in Two Strains of Rats Experiment No.: Conducted At: Dosing Period: Study Director: 0681TR0362 Safety Evaluation Laboratory Riker Laboratories Inc.

AR fi.S.6 - 0 *\o2> ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

PERSONAL AND CONFIDENTIAL CC: J.