fo pt ntersti" cs coresp>onsence SL cor2.

BIODEGRADATION FFiEs=3 TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred t1o,1a,s2,P2,F3O,3S,4N,H4,,5",5s,a6l,t 6o,r7,F7C,-89,38.,8-(h1e-pOtacdteacnaefsluulcfroon-i,caamcimdo, nium 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).

AR 226 _ 0784 ACUTE TOXICITY TO INVERTEBRATES (GRASS SHRIMP) IEST~ S~ U ~ BSTAN 0000C 0000E 0000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L- 3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

CENTRAL ANALYTICAL LABORATORY Report No. ---@219 -----------Date--- --May-- 16,- 1978 ------ Subject: F C-143 Analysis of IRDC 137-090 Samples Requestor: Dept.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfbnatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-201.

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).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

BIOACCUMULATION TEST SUBSTANCE Identity:N-methylperfluorooctanseulfonamidoethanolm;ay alsobe referredtoas N-MEFOSE Alcohol,FC-790, or FM-3925. (1Octanesulfonamide,N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethylC)A-S, # 24448-09-7) Remarks: Materialisan off-whitew,axy solidofuncharacterizedpurity.

ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referretdoas PFOS, FC-95,or as a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).