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AR226-2186 EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20, 2001 EID293775 TABLE OF CONTENTS Executive Summary 1.

AR226-2232 \ '""WWV* Steven L Grise 12/12/2001 09:43:14 AM To: cc: Subject: Bernard J Reilly/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont Steven L Grise/AE/DuPont@DuPont 0 ,0 .

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AR226-2418 C-8 SAMPLING FORECAST RCRA CORRECTIVE ACTION PERMIT O VERIFICATION INVESTIGATION (VI) WORK PLAN - FALL 1991 - WHAT IS THE VI ?

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AR226-2515 Andrew S Hartten 04/04/2002 09:57 A M f To: Ta-W ei Fu/SE/DuPont@ DuPont cc: Hidetaka Hirom atsu/PO/DuPont@ DuPont, David M Rurak/AE/DuPont@ DuPont, Seiichi Tanaka/PO/DuPont@ DuPont, V ic E Kleinfelter/AE/DuPont@DuPont, Etsuo Takenouji/DuPont@ DuPont, Koichi lnagaki/PO/DuPont@ D.uPont, Kazuaki Suzuki/PO /DuPont@ DuPont, Katsunosuke Kitagaw a/PO /DuPong@ DuPont, KazuaW okoyam a/PO/i3uPont@ DuPont, Su san l, Skrotsky/AE/DuPont@ DuPont, Shikiho ltaya/PO /DuPont@ DuPont, George H Sefikler_Jr/AE/DuPont@ DuPont, Diane R Shom per/AE/DuPont^>DuPont, O scar T Garza/AE/DuPont@ DuPont, IsIdoroS J , Zanikos/AE/DuPont@ DuPont, Stephen R Peck/SE/DuPont@ DuPont Subject: Re: A PFO v s.

AR226-2582 Ohio Envtronmanial Protection Agency TO: Dave Watkins, Division of Water Resources, W VD EP FROM: Steve Williams, Division of Drinking and Ground Waters, S E D O DATE:March 12,2002 RE: Ohio River Water Sampling Proposal The Division of Drinking and Ground Waters and Division of Surface Water at the Ohio EPA Southeast District Office K S S i i , inter-office communication Proposai for the Washington Works Facility and the Letart Landfill", The following comments are Ohio EPA 's recommendations for additional samples to more thorouahlv define the extent of C-8 In the Ohio River. 1.