ARZA6 _ 3242 424 TRADE SECRET ARR26 -- 324-2 Dupont10249 Study Title H-25240: Corrositex In Vitro Test Laboratory Project ID: DuPont-10249 AuTHOR: Carol Finlay, B.A.

ARR -- 3266 3 : AR2AG _326 7 REPORT ON MUTAGENICITY TEST RESULTS USING MICROORGANISMS I ] Nomenclature of novel N 1 chemical substance (by a ag win TUPAC nomenclature) [Oername 1 Structure or empirical | not certain) L_8 | A Fl Pmoam roc |7 [|1 sLoetmNoi.ovfineovnee | _--Y foa n. -- " cam =| usedint|es Ret m | CAS No.

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AR226-3353 Perfluorooctyl Ethanol Biodegradation Transformation Products & Pathway [AON Ning Wang Tete fscene : Presentation Outline Background - Chemistry Environmental Fate Studies --Physical - Chemical Properties --8-2 Telomer B Alcohol Biodegradation BEETS + Radiolabel Studies + Summary & Conclusions ) 1 ,T^a<n|m^iaa' Y^'MHaili'til?

BiochemicaalndinlolecuMleacrhanistiSctudieosfN-Alkyl Perfluorosulfonamides KendaR B.Wallace,Ph.D.D,.A.B.T.

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Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix E] Page 1 of 68 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _______________________________________________________________________________________________________________ Appendix E: Histopathological Findings Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix E] Page 2 of 68 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats _______________________________________________________________________________________________________________ Table 1: Summary of histopathological findings (all animals) FRAUNHOFER ITA 01G0002 Summary of histopathological findings (all animals) Page: 1 2 1 -A u g -0 0 -------------------------------------------------------------------------------------------------------------------------- !

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AR226-2636 24 AR226-2636 MARCH 2003 2ND ROUND C-8 SAMPLING DUPONT FAYETTEVILLE WORKS FAYETTEVILLE, NORTH CAROLINA Date: June 2003 Project No.: 18983753.00037 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 March 2003 2nd Round C-8 Sampling Introduction On March 27th 2003, gromidwater was sampled from four monitoring wells at the DuPont Fayetteville Works, m addition, a combined surface and wastewater sample was collected above Outfall-002.

AR226-2668 58 AR226-2668 Particle Size Distribution ofPFOA in Ambient Air Data Summary and Analysis May 2004 Prepared for DuPont Fluoroproducts Washington Works 8480 Dupont Road Washington, WV 26181 Prepared By DuET - Reaction Engineering DuET - Environmental Engineerim SUMMARY A sampling program was conducted to evaluate the particle size distribution (PSD) ofPFOA in ambient air at the Washington Works site.

^ 1 RECYCLED %;^-.- AR226-2696 00 EMSER 70-03/4842 AR226-2696 STUDY PROTOCOL ACCELERATED BIODEGRADATtON OF 8-2 TELOMER B ALCOHOL SPONSOR E.

f #R226_27/6 3 | Maas. 2716 AMMONIUM PERFLUOROOCTANOATE: CROSS-SECTIONAL SURVEILLANCE INA COMMUNITY SAMPLE OF CLINICAL MEASURES OF GENERAL HEALTH STATUS RELATED TO A SERUM BIOMARKER OF EXPOSURE A STUDY PROTOCOL Preparedfor DuPont Haskell Laboratory Newark, Delaware Prepared by The Sapphire Group, Inc.

AR226-3107 | : aaes ek Ce = -- = Ee ee ee ee Cn IREE e Ey y: Es ee i = Penal en hee q - L -- e ee nt pie n nTSOaon \ Capa lr { Li ead i CONFIDENTIAL DPT 430/984441/SE SKIN IRRITATION TO THE RABBIT Sponsor DuPout';Speciality Chemicals Jackson Laboratory Chambers Works Deepwater NJ 08023 USA Research Laboratory Huntingdon Life Sciences Ltd' P.O.