BIOACCUMULATION (ANALYTICAL ONLY) AR23&0354 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.

AR&9.6 _ OSOO m 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-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

ft R W 6 - O M H 5 SrtduAfoud BIO-TEST laJymJjwM,, She. 1810 F R O N T A G E R O A D N O R TH B R O O K .

ARaac-oio^ \\ { SUMMARY OF HISTOPATHOLOGICAL EXAMINATIONS OF FATHEAD MINNOW (Pimephales promelas) EXPOSED TO 78.02 FOR 30 DAYS.

CHRONIC TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as 78.03, PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

BIOACCUMULATION (ANALYTICAL ONLY) AR23&0354 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.

AR 556 _Ol&lj- ACUTE TOXICITY TO INVERTEBRATES (GRASS SHRIMP) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

M 6_ 0737 MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY) TEST SUBSTANCE__________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-2860 Material Tested: , E.

fiKSLS.6 - O Z 2 9 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing periluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid, 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.