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-206C and 81-2/8. (1-Octanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

09W 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 FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

A n *& 6 - o q z s * ACUTE TO XIC ITY 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 L-4647, (1Octanesulfonic acid) (CAS # 2795-39-3).

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PR ARG 1287 TELOMER B ALCOHOL, CyFi;CH;CH;OH: WATER SOLUBILITY DUPONT REPORT NUMBER 12718 Test Guideline(s) OECD 105 (adopted 12 May 1981).

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SUMMARY FOR WORK PERFORMED BY THE GERMAN ARMY ON FOAM EXTINGUISHING AGENTS MANUFACTURED BY MULTIPLE COMPANIES TEST SUBSTANCE Identity:A mixturecontainingperiulorooctanesulfonatew,hich may also be referredtoas PFOS, FC-95, or as a component of FC-206. (1-Octanesulfoniacid)(CAS # 2795-39-3).

Primary Skin Irritation Test with T-3874 in Albino Rabbits / y Experiment No: Conducted At: Dates Conducted: Conducted By: Reviewed By: 0386EB0135 Pathology and Toxicology Riker Laboratories, Inc.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: AR03G-O3I3 Primary Skin Irritation Test with T-3494 in Albino Rabbits 0884EB001 2 Safety Evaluation Laboratory Riker Laboratories, Inc.

BACK TO MAIN ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________ Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

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

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

A R HHG - O &KQ ACUTE TO XICITY TO FISH TEST SUBSTANCE ______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonic acid) (CAS # 2795-39-3) Remarks: The 3M production lot number was 1-2303.

AK.PA6 _ o7ll BIODEGRADATION (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).