^;:^..!

BIODEGRADATION (301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, oras a component of FC-203A orof FC-203 NFP. (1-Octanesulfonaicid)(CAS # 2795-39-3).

BIODEGRADATION TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,1,2,2.3,3,4.4,6,5,6,6.7.7,8,8,9.9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

BIODEGRADATION TEST SUBSTANCE Identity: [2-(N-Ethylperfluorooctanesulfonamido) ethyl acrylate; may also be referred to as B1228, D-1, EtFOSEA, or FX-13. (2-Propenoic acid, 2- 5[ethyi[heptadecafluorooctyl)sulfonyljaminoethy!

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

BACK TO MAIN PHOTODEGRADATION (AQUEOUS DIRECT) TEST SUBSTANCE Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, or FM-3925. (1-Octanesulfonamide, N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is an off-white, waxy solid.

Z*7 REV - tSTA*.3t*CEHAX E. 1.

internCaolrrespondence dc: V.

AN ASSAY OF CELL TRANSFORMP.TIO!

DR.U.NOACK-LABORATORIUMFUR ANGEWANDTE BIOLOGIE 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroRespiration Inhibition Test with Activated Sludge acc. to OECD Guideline No. 209 for Testingof Chemicals `adopted Apri4l, 1984 TelomerSRpeosnesarocrh Project Asan Gass Arora Cust DAKNIOUSTRES LTD Dupont Author Martina Noack Tost Facility 'DR.U.NOACK-LABORATORIUM FOR ANGEWANDTE BIOLOGIE Kathe-Paulus-Str. 1 0.31157 Sarsteat Laboratory Project ID.

AR22-162] CC: J.

FOR DU PONT USE ONLY AR226-2938 Du Pont HLR 55-89 Study Title Statib Acute 96-Hour 1050* of to Fathead!

MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaytea;lso be referredtoas PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

Daniel Bough lnstifugeof Anatomy Department of Anatomy Office of &he Director and Chairman RECEIVT- =D NOV 2 2 TOXICOL@- _-y Philadelphia.19107 (215) 928-7820 November 19, 1982 Dr.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonamtaey; alsobe referretdo as PFOS, FC-95,or as a component ofFC-203C and L-5440.(1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecpaoftlausosriou-m, saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.The test sample isFC-203C and isreferretdo by thetestinglaboratoryas "81-1/8".