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A ft. 3.6 - 0 & < f ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 3M production lot number was not noted.

A SLSL& - 0 9 2 3 MICROBIOS MICROTOX TO XICITY TEST TEST SUBSTANCE______________ . .

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Internal Correspondence A/W&OWI To: F'om: Subject: Date: COMMERCIAL CHEMICALS ANALYTICAL REPORT #346 E.

FE-15 TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) ARY oll 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 field: The test substance is a white powder of uncharacterized purity.

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BIODEGRADATION TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,1,2,2.3,3,4.4,6,5,6,6.7.7,8,8,9.9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

BACK TO MAIN BIOSORPTION PARTITION COEFFICIENT TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

BACK TO MAIN SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

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A R A S 6 _ 071 & ' BIODEGRADATION (OECD 301E) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR ^ 2 6 - ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic add) (CAS # 2795-39-3).

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Ocular Irritation Test with T-3494 in Albino Rabbits Hm-oyy 0884EB0011 Safety Evaluation Laboratori ;* Riker Laboratories, Ine.