AR226-2011 ^\\\ Oo^ //TO WASHINGTONWORKS ILNFLUENCE C-8 ENVIRONMENTA EID924245 WASHINGTON WORKS C-8 ENVIRONMENTAL INFLUENCE EID924246 WASHINGTON WORKS C-8 ENVIRONMENTAL INFLUENCE EID924247 AIR PROGRAMS Liquid, C-8 Facilities Fine Powder Dryer Recovery Project Fence Line Monitoring 8/89, Complete 1Q90, Start-up , Transition Inconclusive EID924248 VASHINQTON WORKS C-8 ENVIRONMENTAL INFLUENCE ETD924249 WATER PROGRAMS Surface Possible C-8 Recovery From FEP Effluent In Progress 1992 Groundwater Purchase of Lubeck Water Company Closing 4/11/90 Turnover to DuPont 10/91-4/92 EID924250 WASHINGTON WORKS C-8 ENVIRONMENTAL INFLUENCE EID924251 LAND PROGRAMS DuPont Letart Landfill Eliminated Empty Raw Material Drum Disposal West Virginia Regs.

AR226-2192 ^/ Ta-Wei Fu 08/27/2001 11:34PM To: cc: Subject: Stephen J Gissy/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Robbin Banerjee/AE/DuPort@DuPont.

AR226-2204 F.

AR226-2276 Privileged and C Draft Attorney Wo Figure 2 Privileged and C Draft Attorney Wo 4348500-1 4348000-4 4347500-^ 11l 11 1111 11 ++++++++++ + + + + + 4-4-4-4-4-4-4-4-4-+ + + + + + + + + + + + + 4-4-4-4-4-.+4-4-4-4- + + + + + + + + + +4-4- + ++ +++ + 1 + + + + 4- ++++++++++ + + + + +++-++++ + + + 4- + ++++++++++ + + + + +++-++++ + + + + 4-4-44-4-4- ++++++++++ ++++++++++ + + + + + + + + +++-++++ + + + + + 4-4-4- ++++++++++ + + + + + + + + + 4-4-4- ++++++++++ + + + + + + + 4347000-4 4346500H .

AR226-2357 /y Andrew S Hartten ""'"" 02/20/2004 10:46 AM To: cc: Subject: Mark Houlday/AE/DuPont@DuPont Re: Proposed Monitoring Locations-Need to Discuss Please print, thanksl -------------------- Forwarded by Andrew S Hartten/AE/DuPont on 02/20/2004 10:50 AM -------------------------- "Steve Williams" <steve.williams@epa.state.oh.us> on 02/19/2004 05:46:26 PM To: cc: Subject: <Libelo.laurence@epamail.epa.gov>, Andrew S Hartten/AE/DuPont@DuPont Re: Proposed Monitoring Locations-Need to Discuss Andrew and Laurence, Unfortunately, my schedule will not allow me to attend or tie in by phone to the meeting on February 26.

AR226-2388 / v CC: T.

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AR226-2466 "Roger J.

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AR226-2543 RCRA FACILITY INVESTIGATION PLAN DuPont Washington Works Washington, West Virginia September 24,1997 MRS Project No. 7179 Prepared by DuPont Corporate Remediation Group & DuPont Environmental Remediatfon Services Barley Mill Plaza 27 P.O.

AR226-2581 GIST MEETING March 5,2002 Dave Wafkins, chairperson, called the meeting to order at 9:15 am on March 5,2002, Dave welcomed members and went over housekeeping matters.

AR226-2652 42 AR226-2652 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia Prepared for: West Virginia Department of Environmental Protection Division of Air Quality 7012 MacCorkle Ave, SE Charleston, WV 25304-2943 Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmmgton,DE 19898 October 17,2003 1.

AR226-2655 -& 01 AR226-2655 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in the form R13 permits (815E, 1353B, 1953B, and 2365C) comply with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

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

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