VAPOR PRESSURE TEST SUBSTANCE Identity:N-Ethylperfluorooctanesulfonamidmea;y alsobe referredtoas U 1464, ETFOSA, ETPOSA, F-6309, or FX-1 2. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa whitesolid.Report statesthatsample purityis 99% based on informationsuppliedby Sponsoes representativeT.he lot number was not recorded.

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Pathology Associates International A Company of ScienceApplicationIsnternationaClorporation An&WbYe&Owmd Canvany Sponsor: 3M St.Paul,Minnesota PROTOCOL Study Title: CellProliferatiSotnudywithN-EthylPerfluorooctanesulfonamiEdtohanol(N-EtFOSE; 3M T-6316.11), PerfluorooctanSeulfonicAcid PotassiumSalt(PFOS; 3M T-6295.16),and N-EthylPerfluoroctanesulfonamide (PFOSA 3M T-7091.1)inRats Date: January 12,1999 Performing Laboratory R.O.W.

MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acetmaatye;also be referredto as PFOSAA, FC-128 or as the major component of FC-1 27, FC-1 29, FC-1 09,FC-1 09-X or Rl 904.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may also be referredtoas PFOS, FC-95, or as a component ofFC-201 F.

MICROBICS MICROTOXO TEST SUBSTANCE.

ACTIVATED SLUDGE TEST SU RESPIRATION INHIBITION TEST Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredtoas PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredto as PFOS, FC-95, or as a component of FC-3017. (1Octanesulfoniaccid)(CAS # 2795-39-3).

CLIENT PRIVATE AR3X-0ia PROTOCOL TITLE: Metabolism of T-6292, T-6293, T-6294, and T-6295 by Rat and Human Hepatocytes SRI Study No.

H- NOTOX Safety & Environmental Research B.V.

AfU ^-c^ CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,77,8,8,8heptadecafluoro-, potassium salt, CAS #2795-39-3) Remarks field: The test substance is a white powder.

/Iftfc-OSIH ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: Perfluorooctanoic add, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, FC-143, or as a major component of FX-1003.

Ad slug - 0707 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-201F-X. (1Octanesulfonic acid) (CAS # 2795-39-3).

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AR226-1735 PFOS: A DIETARY LC50 STUDY WITH THE MALLARD WILDLIFE INTERNATIONAL LTD.