AR226-2842 SwSu&t^, BIO-TEST AA^zA^A Sw. \ 1810 FRONTAGE ROAD NohTMBROOK.

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AR226-2961 DU FONT USE ONLY Du Font HLR 448-91 Study Title STATIC, ACUTE, 96-HOUR LC50 TO FATHEAD HINNOVS (PiBephOaPTeJs_"_p_ro_n_e_1 Data Requirement Organisation for Economic Co-Operation and Development (OECD) Guideline for Tesiing Chemicals: 203 Author Keith B.

AR226-3004 .

TRADE SECRET Study Title H-23271: SKIN IRRITATION TEST IN RABBITS LABORATORY PROJECT ID: DuPoNT-1161 AR226-3100 AUTHOR: Carol Finlay, B.A.

AR226-3323 Initial State luorotelomer Supply Chain I^Hm Technical ^^^^^^^^--B / Results of laboratory studies to date Where do we stand now?

AR226-3392 Subchronic Toxicity 90-Day Oral Gavage Study of of 8-2 Telomer B Alcohol in Rats G.S.

PHOTODEGRADATION TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95. (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: Testingisinprogress.

BODICOD resultstorFC-94-X (U sWt ofPFOS) I BIODEGRADATION TEST SUBSTANCE Identity:PerfluorooctanesulfonatLei,thiumsalt;may alsobe referredto as PFOS Lisalt,FC-94, or FC-94-X. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecaflliutohriou-ms,alt, CAS # 29457-72-5) Remarks: The testsample isa mixtureofthe testsubstance inwater (approximately24.5% testsubstance and 75.5% water).No calculations were made to adjustforthe actualconcentrationofthe testsubstance in the testsample.

I I 96-Hour Acute T DEA saltof PFO ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:PerfluorooctanesulfonatDeE,A saltm;ay alsobe referredtoas PFOS DEA salt,FC-99, or3M Sample No. 2. (1-Octanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafcloumoprdo.-, with,2,2'-iminobis[etha(n1o:l1]),CAS # 70225-14-8) Remarks: Test sample isa mixtureofthetestsubstanceinwater (approximately25% testsubstance and 75% water).Allvaluesreported relatetothismixture.No calculationwsere made toadjustforthe actual concentration,otfhe testsubstance inthetestsample.

25/JUN2.5.1999012:41PPMCFIIIEDI2C2A0L@E 0)<EN,WOLITER-q E?

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:Perfluorodecanesulfonataem,monium saltm;ay alsobe referred to as PFDS, FC-120,or 3M Sample J2905-1.(1-Decanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,91,01-0,10, heneicosafluoroa-m,monium saltC,AS # 67906-42-7) Remarks: Test sample isa mixtureofthetestsubstanceinwaterand butylcellosolv(eapproximatel2y5% testsubstance,37.5% butyl cellosolvaend 37.5% water).Allvaluesreportedrelatetothismixture.

BIODEGRADATION (WARBURG) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaytea;lso be referredtoas PFOSAA, FC-1 28 oras the major component of FC-1 27, FC-1 29, FC-1 09, or FC-1 09-X.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE ldent4: Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateF,C116, FC-126, FC-169, or FC-143.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfoniaccid)(CAS # 2795-39-3).