5 PTRSONAL AND CONFIDENTIAL : .: AL2267~1619 cc: J.

AR226-2931 Haskell Laboratory fteport No. 802-85 Haskell E, I. du Pont de Nemours and Company Laboratory for Toxicology and Industrial P. 0.

Acute oral Toxicity Screen with T-3065COC in Albino Rats No.: Coliclucted At: I)ates Conducted:.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 628.

AR226-2563 OuPont FluaroproducB Onstnut Run Plaza P.O.

IN VITRO MICROBIOLOGICAL MUTAGENICITY OF 3M COMPANY'S COMPOUND T-2997CoC ASSAYS --71 IF]y@ Final Report January 1981 By: L,,@ Kristien E.

HAZL=CN LAS09;ATORIES AMERICA. 9200 L.EESBLJRC TURNPIKE VIENNA INC.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) I TEST e SUBSc TANCEiouesaNcE Identity: rPeefrefrlrueodrotoocatsanPeFsOulSfAoAny,laFmCi-d1o(2e8thoyrlaascetthaetem;ajmoarycaolmspoobneent of [F(Ch-e1p2t7ad,ecFaCf-l1u2or9o,ocFtCy-l)1s0u9l,foonrylFlC--,1p0o8t-aXs.si(uGmlyscailnte, ,CNA-Set#hy2l9-9N1- 51-7) Remarks: laboratory as The test E2566-2.

BACK TO MAIN SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

AR226-2402 INTEROFFICE MEMORANDUM Dates From?

Oral Teratology Study of FM-3422 in Rats Experiment No.: Conducted At: Inclusive Dosing Period: Study Director: 0680TROO10 Safety Evaluation Laboratory Riker Laboratories, Inc.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:[2-(N-Ethylperfluorooctanesulfonamiedtoh)ylacrylate;may also be referredtoas B1228, D-1, ETFOSEA, or FX-13.(2-Propenoicacid,2[ethyl[heptadecafluorooctyl)sulfonyl]aminoe]settehry,ClAS # 423-82- 5) Remarks:MateriiaslanambersolidS.amplepuritaynd notrecorded3.M lot number 13.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: PreerfefrlrueodrotoocatasnPesFuOlSfoAnAy,lamFiCd-o1(2et8hyolr)aascetthaetem;ajmoarycaolmspoobneent of F((Ch-e1p2t7ad,ecFaCf-l1u2or9o,ocFtCy-l1js0u9l,foonrylFlC--,1p0o9t-aXs.si(uGmlyscailnt,e,CNA-Seth#y2l-9N9-1 51-7) Remarks: is a mixture ofT4h0e-t4e4st%staemstplseubisstFaCn-ce1,273.2%Curwarteenrt,i1nf4o%rmaitsioopnroipnadniocla,te4s%it ethanol, and 6-10% C4-C7 fluoroalkyl carboxylate compounds.

AR 886 -- 0843 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIAMAGNA) TEST SUBSTANCE.

AR226-2730 DuPont EMSER Report No. 97-03 Study Title ACTIVATED SLUDGE RESPIRATION INHIBITION TEST OF ZONYUg (OECD 209) Test Guideline(s) OECD (1984) Guideline for Testing of Chemicals, Section 2, No. 209: "Activated Sludge, Respiration Inhibition Test", adopted April 4, 1984 Author(s) William R.