Pathology and Toxicology Rlker Laboratories, Inc.

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.

M SLAG _ 0733 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-203A. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR506-O3SI MICROBIOS MICROTOX TOXICITY TEST 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, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-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).

AR226-2403 v INTEROFFICE MEMORANDUM Date; From* Dept; Tel No; 7-JU1-1989 OlS02pm WILLIAM E CRAWLEY CRAWLEWE FPD-#TEFLON',TECH 304-8S3-2742 Howard A.

AR - 0757 TO XICITY TO AQUATIC PLANTS 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).

L->77?

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.

5 OTHER AVAILABLE STUDY SUMMARIES FOR N-EtFOSE ALCOHOL TEST SUBSTANCE_________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

A R 30 - o w a BIODEGRADATION 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, orFC-109-X.

A R &S.6 _ O W BIODEGRADATION (BOD/COD) T E S T SU BSTAN CE___________________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFO S, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (C A S # 2795-39-3).

TO XIC ITY TO AQUATIC PLANTS 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).

Experiment Mo.: Conducted At: Reviewed By: A ftlX -O H lM Primary Skin Irritation Test with T-3371 in Albino Rabbits 0883EB0079 Safety Evaluation Laboratory Riker Laboratories, Inc.

Internal Correspondence 5| I tI i rI i V; To From: Subject: Date: D.

V AR226-2385 PERSONAL AND CONFIDENTIAL CC: T.