AR226-2199 Chris E Shoop 09/05/2001 11:16 AM To: Debbie J Mulrooney/AE/DuPont@DuPont ' cc: Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, M.

AR226-2354 DuPont 2004 Multi-Media Sampling Plan WV and OH January 15,2004 rn x Q 0 0 0 w2> .o 0 January 15,2004 DuPont "Phase T Media to be Sampled by DuPont in 2004 in WV and OH Air Private Water Sources Public Water Sources Soil Biota |T) [above listing excludes sampling required by permit] 0 0 0 2 January 15,2004 ^p^ .^8r DuPont Washington Works Area Air Modeling/Sampling Completed - Air dispersion modeling completed and updated for ambient air concentrations (Time periods: y 2002 and 9/02 - 8/03, AR226 and ECA docket) In-progress - Fence line sampling in progress to compa results from ambient air sampling and air dispersion modeling to understand how modeling predictions relat measured ambient air concentrations S -0 o January 15,2004 (0 N) DuPont Air Objective: Compare results from ambient air sampling to air dispersion modeling.

Does not contain T e r a c r i DuPont Confidential Surface Protection Solutions DuPont Confidential Company Sanitized.

.-25 AM To: Catherine A Barton/AE/DuPont@DuPont cc: Kenneth N Wood/AE/DuPont DuPont, James F Riley/CL/DuPont@DuPonl, Craig L Bartlett/AE/DuPont@ DuPont Subject: TEFLON AT SPRUANCE Cathy FYI Frank Forwarded by Frank D SmrUVAE/DUPont on 05/13/2002 08:24 AM - W . sidoros J Zanikos SfisiHSHMarai To: Michael R Liberati/AE/DuPont@DuPont cc: Andrew S HARTTEN DuPont, Frank D Smith/AE/DuPont DuPont, M ichael J LukasODuPont Subject: TEFLON AT SPRUANCE M ike, the screening levels have been set in W VA as part of the consent order.

Thank you, K.kitagawa Forwarded by Katsunosuka Kitagawa/PO/DuPont on 88/05/29 10;04 -- (WAMWtf^MWSWWyAV^lWW W ---- |"r"' "^ Seiichi Tanaka p. i... 99/0^8^0:10 To: cc; Subject; Shikiho ltaya/PO/DuPont@DuPont Suzuki/PO/DuPont@DuPont, Roger J Katsunosuke Kitaaawa/PO/DuPont@DuPont, Kazuaki Zipfel/AE/DuPont@DuPort Re: C-8 in drinking water (taya-san, Please investigate requested data and reply to Zipfel-san.

DuPont Letter To 3M Re: 4/24/97 DuPont/3M Meeting On C-8 Biodegradability Issues (4/30/97) (EID090316-17) (NOTE: the study referenced in this document as "Evaluation Of The Biodegradability Of C-8 Using The Modified Sturm Test (OECD 301 B)" has been marked "Confidential" by DuPont under the terms of the Stipulated Protective Order in current litigation with DuPont and is not enclosed but should be available through DuPont); 10.

AR226-2329 / ' % '" / Irene A Legiec__________________04/09/2003 09:58 AM To: cc: Subject: Mark D Richmond/AE/DuPorrt@DuPont, Carl E Camp/AE/DuPont@DuPont, Richard S Vickery/AE/DuPont@DuPont Maria S Angelo/AE/DuPont@DuPont, Ann K Masse/HO/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont Environmental Sampling effort meetings and pathforward...

AR226-2166 Debbie J Mulrooney 07/27/2001 03:09 PM To: carrington@mail.dep.state.wv.us cc: Robert L Ritchey/CL/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Subject: DuPont Washington Works Model Input Files Chris, Here are the model input files for the source parameters and the site boundary.

AR226-2166 ^y Debbie J Mulrooney 07/27/2001 03:09 PM To: cc: Subject: carrington@rnail.dep.state.wv.us Robert L Ritchey/CL/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, Andrea V Mlalinowski/AE/DuPont@DuPont DuPont Washington Works Model Input Files Chris.

AR226-2230 Robert F Pinchot 12/11 /2001 08:34 AM To: cc: Subject Debbie J Mulrooney/AE/DuPonl@DuPont Chris E Shoop/AE/DuPont@DuPont, David M Rural</AE/DuPont@DuPont DRAFT for 815D Stack Diameter Change Requestoop Debbie, Please take a look at this.

AR226-2227 ^y Roger J Zipfel ' 12/10/2001 02:15 PM To: cc: Subject: Steven L Grise/AE/DuPont@DuPont Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont Updated spread sheet Steve, to the spreadsheet that I had sent to Rob indicating the gas/solids split in the C-8 scrubber exhaust stacks, I have now added the normal operating flow range coming out of these stacks.

Roger J Zipfel ' 12/10/2001 02:15 PM Tocc: Subject: Steven L Grise/AE/DuPont@DuPont Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont Updated spread sheet Steve, to the spreadsheet that l had sent to Rob indicating the gas/solids split in the C-8 scrubber exhaust stacks, I have now added the normal operating flow range coming out of these stacks.

Contact with the skin-should be strictly avoided" (DuPont 1961).

AR226-2503 George Woytowich 0 8 /0 6 /2 0 0 1 0 9 :1 6 AM To: H David Ramsey/SE/DuPont@DuPont cc: Dawn D Jackson/CL/DuPont@DuPont Subject: Re: Lubeck Testing B l (1 ) Yes, 1992 data is. from the New Lubeck location

AR226-2234 Steven L Grise 12/12/2001 03:26:26 PM To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Bernard J Reilly/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Subject: Re: C.O.