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CONFIDENTIAL Interoffice Correspondence cc: L.

NRL Report 6057 A New Vapor-Securing Agent for Flammable-Liquid Fire Extinguishment R.

AR226-1967 ..''. .s.t.' ..Si'.'

Aft SLS.6 _ 07& 6 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (EASTERN OYSTER) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

CFFhConCCAootrroeemeTTyeeaaPrmvmelage22d 0004-W.02o2r00k40055PPPrrrooojjedeDcctuot n/coPPttrcrooo:pccyeessossrdPiPsrrtiirooirbriuittteiieess Client-Attorney Priveleged Work Product: Do not copy or distribute r00001] SRtreatemgy !

AR226-2824 /c - /9 > - 5 ~ International Research and Development Corporation SPONSOR: E.I. duPont de Nemours and Company MATERIAL: - SUBJECT: Ninety-Day Feeding Study in the Rat.- Development Corporation Collaborators: R.

AR226-1965 1 -4 ?

AR226-1969 U^syujL, 0, l ~t0 l T--' l) A ItC^O .

GENERAL O fF IC E V ^ - 2S0I HUDSON ROAD ST.

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Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

-A ttilio - I7<3*t Study No.

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