: FP CC: oS.

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AR 826 -- 0839 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) EST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-801.

.

AR226-2388 / v CC: T.

ti,n of 14c-N-Zthyl TOSZ in "to 13iotranSfOrmA lpeed for one week After Admin istration in innuary 28, 1983 Condur-ted At: During: ConduCtsd Byz 3teport BY: Reviewed BY: Riker Laboratoriest 3M Center St. p&ulf Kinnegota Inc. 55144 October 1980 to Jwe 198' S.

FE-15 TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) ARY oll 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 field: The test substance is a white powder of uncharacterized purity.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-3041. (1Octanesulfoniaccid)(CAS # 2795-39-3).

MICROBICS MICROTOXID TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFX-3103. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR226-2064 WASHINGTON WORKS INDUSTRIAL- HYGIENE REPORT FROM 1-Jan-1988 TO Sl-Oct-I'm AREAs FLUOROCARBONS - COPOLYMER8 Sl-Oct-lWl Page I CHEMICAL SAMPLE LOCATION ft;CONTROL C-8/FC-143 216 PERSONAL SAMPLE-WET FINISHING s DATEs ll-Apr-1988 NOTEBOOK; 31841,Pia5 EMPLOYEE 4K451E DURATIONS 0390 CONCs 0.116 MPB PERS CODEs SAMPLE TYPES P PERCENTAGE; El% C-8/FC-143 216 PERSONAL SAMPLE-WET FINISHING 8 DATE; lB-Apr-1988 NOTEBOOKS 31E41 ,P1S8 EMPLOYEE #04304 DURATION!

AR226-2404 INTEROFFICE MEMORANDUM Datei Froras Dept; Tel No: 30-AU9-1989 02;59pm ANTHONY J.

FOR _DU PONT USE ONLY.

tSi-jWb FOR DU'^MT USE ONLY CCt HASKELL LABORATORY AR226-2913 E.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonyflluoridem;ay also be referredto as POSF, or FX-8. (1-Octanesulfonylfluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluCoArSo-#, 30735-7).

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Oral Toxicity Screen with T-3494 in Albino Rats 0884AR0013 Safety Evaluation Laboratory Riker Laboratories, Inc.