Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 St.

ACUTE TOXICITY TO FISH AR336-0 W TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST * -z' TEST SUBSTANCE Identity: Periluorooctanesulfonate, 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).

UBSGreiaer WoodwardClyde A Division of URS Corporation _ A,A r AA.S iz t f 1400 Union Meeting Road, Suite 202 Blue Bell, PA 19422-1972 TFealx::221155.5.54422.3.3880808 Offices Worldwide December 3, 1998 Sarah L.

ARMrcm^ MUTAGENICITY EVALUATION OF T-2015 CoC IN THE AMES SALMOREtn/MICROSOME ----------- F CTTE TEST------------- FINAL REPORT SUBMITTED TO: 3M COMPANY 3M CENTER SAINT PAUL, MINNESOTA 55101 DB BIONETICS Utton SUBMITTED BY: LITTON BIONETICS, INC. 5516 NICHOLSON LANE KENSINGTON, MARYLAND 20795 LBI PROJECT NO. 20838 FEBRUARY 1978 C00165 I.

&4 f t 6 - 0 7 7 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-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

Ak _ 0135 ACUTE TO XIC ITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE________________________________________________ Identity: 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).

WARF INSTITUTE, INC.

SOIL ADSORPTION (METHOD DEVELOPMENT / PILOT STUDIES) TEST SUBSTANCE_____________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamlde, N-ethyl1,1,2I2,3,3,4,4,5I5,6I6 I7I7 >8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-I CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

fm-oi% BIODEGRADATION 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: The test sample is a mixture of the test substance in isopropanol and water (25% test substance, 20% isopropanol, 55% water).

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PpXrOH'ft International Research and Development Corporation SPONSOR: 3M Company COMPOUND: Fluorad Fluorochemical FC-143 SUBJECT: Ninety Day Subacute Rhesus Monkey Toxicity Study.

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.

nc-oio-j CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as 14C78.02, PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS #2795-39-3) Remarks field: The test substance is a white powder.

THE EFFECTS OF CONTINUOUS AQUEOUS EXPOSURE TO 14C-78.02 ON HATCHABILITY OF EGGS AND GROWTH AND SURVIVAL OF FRY OF FATHEAD MINNOW (Pimephales promelas) .