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(\Rm-ov\ ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_________________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA tetrabutylammonium salt, Ammonium perfluorooctanoate PFO, FC-116, FC-126, FC-169, FC-143 or as a major component of FC-1015 or FC-1015-X.

Afi Jt%-053S MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. [1Decaminium, N-decyl-N,N-dimethyl-, salt with 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1 octanesulfonic acid (1:1), CAS # 251099-16-8] Remarks: The 3M production lot number was Lot 1.

CAS Number 1691-99-2 3M Company M SLAGjQ g/ Voluntary Use and Exposure Information Profile N-Ethylperfluorooctylsulfonamido ethanol I.

SRPT T-6295.8, T-6316.4, T-6868.2, T-7071.1, T-7132.1 A g 2 t > - / 3 / DT15-B E.

AR226-2022 "Roger J.

FOR DU PONT USE ONLY AR226-2959 SM .tig Du Pont BIX 325-91 j State_ r' ' Skin Irritation Test vi tir 4 :~:#f in Rabbits Author i John V.

A C U T E T O X IC IT Y T O F ISH (FA T H EA D M IN N O W ) T E S T S U B S T A N C E __________________________________________________ Identity: Mixture containing perfluorooctanesulfonate which m ay also be referred to a s P F O S , FC-95, or a s a component of FC-3003. (1Octanesulfonic acid) (C A S # 2795-39-3).

A W IG -o o sn fc-i WATER SOLUBILITY TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 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 test substance is a white powder.

AR U 6 -0051 DETERMINATION OF THE WATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD -s WILDLIFE INTERNATIONAL LTD.

PgoetrWlH j 2- MULTI-CITY STUDY FINAL FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.

A R n Q'oofy PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

MICROBIOS MICROTOX TOXICITY TEST Aft 336-0113 -/?

A K 6 _ 02 So TOXICITY 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-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

f t k 26 - 0 ^ 0 0 BIODEGRADATION (MANOMETRIC RESPIROMETRY - ANAEROBIC) 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).