AR226-3344 Biotransformation of th Fluorotelomer 8-2 Telom B Alcohol Ning Wang, Patrick Folsom, Bogdan Sz Vladimir Capka, Barbara Larsen, William John Gannon.

AR226-3384 Reproductive\ and Fluoroalkylethyl Surfactant S.A.

StudyTitle AnalyticLaalboratorRyeporton PresencaendConcentratioofn Potassium Perfluorooctanesulfonatien Serum and Liver of Sprague-Dawley' Rats Exposed to PFOS viaGavage REPORT AMENDMENT NO.

Fluoroc Sample CentreAnal icalLaboratoriesI,nc. 3048ResearcDhrive Phone: (814)231-8032 StateCollege,PA 16801 Fax: (814)231-1253or (814)231-1580 An -aI-W-(AL;Mal Report Fluorochemical Characterization of Drinking Water Samples Pensacola,Fl (W2176) Centre AnalyticalLaboratoryReport No. 023-007D TestingLaboratory CentreAnalyticLaalboratoryI,nc. 3048 Research Drive StateCollege,PA 16801 3M Environmental Laboratory Contact Kent R.

SOIL ADSORPTION (METHOD DEVELOPMENT /PILOT STUDIES) TEST SUBSTANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyly, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidofuncharactedzed purity.

Bio)/dynamics Inc.

OCTANOL/WATER PARTITION COEFFICIENT TEST SUBSTANCE Identity:N2-(N-methylperfluorooctanesulfonamido)-eatchryyllatem;ay alsobe referredto as N-MEFOSEA, or MEFOSEA. (2-Propenoicacid,2[[(heptadecafluorooctyl)sulfonyl]methylaminoe]settehry,ClAS 25268-77-3) Remarks: Materialisan amber, waxy solid.The testlaboratoryidentifietshe compound as "T-5869"(Batch2408).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component ofFC-201 F-X. (1Octanesulfonicacid)(CAS # 2795-39-3).

AR226-3328 Supply Chain Team Surface Protection Solutions 4-June-2004 Company Saniti DuPont Confidential Telomers Supply Chain Summ Carpet Textile Nonwovens Leather AFFF (fire fighting) Coatings additives MPQfi^Surface Protection Solutions Company Sanitiz DuPont Confidential Objectives e Develop a baseline of understanding of impurity profile of our Telomer Products Intermediates 'flUrONRSurface Protection Solutions IDompmir ftmmze DuPont Confidential | | Agenda | UPR] surface Protection Solutions: CompanSniized.oss ect SSCACB DuPont Confidential 4 June 2004 Acknowledgments Comixny Snllfc<l.

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