ftR A & 6 - 0 7 4 8 READY 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

HAZLETO N LABORATORIES AM ERICA, IMC, AR 226-OM5 Chemical & BioMedical Sciences Division BLVD.

BACK TO MAIN 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, FC-109-X, FC-4351, or L-6778.

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.

Pathology and Toxicology Rlker Laboratories, Inc.

/)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.

A R R ii 6 0 ^ 0 3 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 -3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

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

Internal Correspondence dc: V.

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.

Ar s.a.6 - OlifJl 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-203C and L-5440. (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.