Pathology and Toxicology Riker Laboratories, Inc.

V l i '9 <Mg) STAIUSMCD 10DJ E. d u P o n t d e N e m o u r s & C o m p a n y IN CORPORATED W ilmington, Delaware 19898 POLYMER PRODUCTS DEPARTMENT e x p e r im e n t a l s t a t io n PERSONA!

ENTRAL RESEARCH & DEVELOPMENT DEPARTMENT Haskell Laboratory for Toxicology and Industrial Medicine 4/LZ-Z&-l&l4 cc: P.

BACK TO MAIN TOXICITY TO FISH (Freshwater Rainbow Trout) TEST SUBSTANCE_________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder of uncharacterized purity.

kZtb-f& l'J PERSONAL AND CONFIDENTIAL CC: J.

Pathology and Toxicology RMcar Laboratories, Inc.

AR226-2801 DuPont-3381 TRADE SECRET Study Title H-24215: Static, Acute, 96-Hour LC50 to Rainbow Trout, Oncorhynchus mykiss Laboratory Project ID: DuPont-3381 Test Guidelines: U.S.

WASHINGTON WORKS Teflon Polymer Division PERSONAL AND CONFIDENTIAL OTO: W.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE October 1987-October 2005 C lick on Study Title to V iew R eport PFOA Perfluorooctanoate 1.

A fO O irW jL BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, or FC-143.

Acute Orel Toxicity Screen with T--30670OC in Albino Bats j:xfim I<nr'iti: N o .

Corporate Health Physics CCoorrppoorraattee POrcocduupcattiRonesaploMnseidbiicliintye Corporate Toxicology 3M Medical Department P3SOMt.

Experiment No.: Conducted At: Dates Conducted: Conducted By: ARXtG-0 237 Primary Skin Irritation Test with T-3608 in Albino Rabbits 0984EB0368 Pathology and Toxicology Riker Laboratories, Inc.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Ocular Irritation Test with T-3493 in Albino Rabbits /Ume-ojp 0884EB0008 Safety Evaluation Laboratory Riker Laboratories, Inc.

WATER SOLUBILITY (BY ANALYSIS OF TOC) TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #30735-7).