I A6 _ 0736 BIODEGRADATION (BOD/COD) 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).

A r n 6 -o w BIODEGRADATION (ABS/LAS Shake Culture Test) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

AR226-1974 > ss VQ!

B IO D EG R A D A T IO N (301E) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may a lso be referred to a s P F O S , FC -95, or a s a com ponent of FC -3017. (1Octanesulfonic a d d ) (C A S # 2795-39-3).

fm -o o ^ i BIODEGRADATION F 7 ^J5 - TEST SUBSTANCE Identity: Perfluorooctanesulfonate, DEA salt; may also be referred to as PFOS DEA salt, FC-99, or 3M Sample No. 2. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, compd. with 2,2'-iminobis[ethanol] (1:1), CAS # 70225-14-8) Remarks: Test sample is a mixture of the test substance in water (approximately 25% test substance and 75% water).

3M Report: Bioaccumulation Studies A R 2X -0351 j.w.

A ftu 6 -c > 3 7 3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

A R ^ r O 40| ACUTE TOXICITY TO FISH 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.

AR226-1971 PERSONAL AND CONFIDENTIAL ". .

P-1 `uLD N T R A A L INSTITUUT VOOR YOEDINGSONDERZOEK y tr *chaewej 48 Zelsc CENTRAL INSTITUTE FOR NUTW TION AN D FOOD RESEARCH - 3 8 0 -6 ?

R K i-O II ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH4+ salt or FC-93. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS #29081-56-9) Remarks: Test sample was taken from 3M production lot #1.

M&3L& - 07/9 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-203. ( 1 Octanesulfonic acid) (CAS # 2795-39-3).

r t A-R2X-0353 THE EFFECTS OF CONTINUOUS AQUEOUS EXPOSURE TO 78.01 ON HATCHABILITY OF EGGS AND GROWTH AND SURVIVAL OF FRY OF FATHEAD MINNOW (Pimephales promelas) .

M S.a.6 - 0& 7.

J U * -A BEST COPY AVAII ABLE S y n t h e s i s ami Cli;i rae: L e r i / . . i t i un u f F C - 1 4 3 - 14 C ARJ3GOH56 December 28, 1979 Conducted at: During: Synthesis Conducted by: Specific Activity and Radiochemical Purity Determination by: Report by: Specific Activity and Radiochemical Characterization Section Reviewed by: Commercial Chemicals Division and Riker Laboratories, Inc. 3M St.