To; Louis C Glasgow/AE/DuPont@DuPont, Subhash V Gangal/AE/DuPont@DuPont, O scar T Garza/AE/DuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Roger J Zipfel/A/DuPont@DuPont ce- Robbin Barerjee/AE/DuPont@DuPont, Ron J BuchananjrE/DuPont<s>DuPont Subject: CRG EFFORT ON C-8 MISSION Below is a brief summary of my telephone discussion with Ron Buchanan of CRG (Corporate Remediation Group ?)

Does not contain TSCA CBl DuPont Confidential 15-Bec=2003 DuPont Confidential 8 Company Sanitized.

AR226-2311 Paul R Jann 03/13/2003 01:27 PM To: cc: Subject: Catherine A Barton/AE/DuPont@DuPont Wilfred K Whitcraft/AE/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont, Mark C Hause/DuPont@DuPont Re: air monitoring Q Cathy, Sometimes you need a little real data to satisfy both the Agency and the public when it comes down to sensitive issue like carcinogen HAPs.

AR226-2293 Oebbte J Mulrooney 11/04/2002 12:16 PM cc:To: Catherine A Barton/AE/DuPont@ DuPont Subject FYI (C8 Modeling) - Permit Determination - Discussion with DAQ ------------------- Forwarded by Debbie J Mulrooney/AE/DuPont on 11/04/200212:15 P M Robert L Ritchey 11/04/2002 10:30 A M To: Kart G Kronberg/AE/DuPont DuPont, Michael T Evans/AE/DuPont@DuPont, John E Crum/SE/DuPont@DuPont cc: David F Altman/SE/DuPont@ DuPont, Andrea V Malinowski/AE/DuPont DuPont, M.

Rob Forwarded by Robert P Pinchot/DEV/AE/DuPont on (M/20/2000 08:04 AM --- Robert F Pinchot 04/18/2000 03:24 PM To: cc: Subject: Richard J Anglullo/AE/DuPont@DuPont, Timothy P Mccann/DuPont@DuPont, Maurice A8toraa/AE/OuPont@DuPont, Michael 6 McCord/AE/DuPont@DuPont Robbin Baneriee/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@OuPont, Gerald L Kannedy/AE/DuPont@DuPont request for information on pertluorochemlcals Please see the attached.

iMiy>WW V W< /4t-wi".vfo-- Seiichi Tanaka ** ** ' 99/05/28 20:10 To: cc; Shikiho ltaya/PO/DuPont@DuPont Katsunosuke Kitagawa/PO/DuPont@DuPont, Kazuaki Suzuki/PD/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont Subject: Re: C-8 in drinking water lt3V8,,S8n Please investigate requested data and reply to Zipfel-san.

In response to DuPont's argument that DuPont "has actively pursucd" C- blood testing, Plaintiffs explained and DuPont agreed that, although DuPont has agreed to test the blood ofthe individuslly-named Plaintiffs for C8, DuPont has refused Plaintiffs' request that DuPont make C-# blood testing available to all Class members who request it. 2 000525 8 Dupont aiready has an amangement with at east one laboratory to perform C-& blood testing for its own employees and has heen offering and paying for such tests among its own employeesformany years 9.

---------,,-------- Forwarded by John E Crum/SE/DuPont oti 07/27/2001 07:34 AM -------------------- {^ Donald E McKown 07/26/2001 05:03 PM To: cc: Subject: John E Crum/SE/DuPont@DuPont, John S Hammond/HO/DuPont@DuPont C-8 sampling .-.-------- Forwarded by Donald E McKown/SE/DuPont on 07/26/2001 05:03 PM Jack L Offenberger 07/26/2001 01:21 PM EID339020 To: cc: Subject: James W HunVCUDuPont@DuPont Donald E McKown/SE/DuPont@DuPont, Becky Szakats Dines/CUDuPont@DuPont, Nicholas K Reed/AE/DuPont@DuPont, Mark D Cothern/SE/DuPont@DuPont, Anthony J Playtis/CUDuPont@DuPont, Fred M Lentz/SE/DuPontQOuPont C-8 sampling We have had some complaints regarding the posted signs in the C-8 Recovery building requiring Respiratory Protection while working in the building over a 15 minutes time frame.

. :: -.Ac-^l^'~ To: David M Rurak/AE/DuPontQDuPont, H David Ramsey/SE/DuPont@DuPbnt, Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, John J Mentink/CL/DuPorrt@DuPont, Chris E Shoop/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont.

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

-Cathie Mark H Russell ^ Mark H Russell 01/30/200201:21 PM To: cc: Subject: Robert F PinchoVDEV/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont, Andrew S Hartten/AE/DuPont@DuPont Theodore H Carski/AE/DuPont@DuPont Draft modeling report Robert, Cathie and Andrew Here is the draft report.

Roger. ---------------------- Forwarded by Roger J Zipfel/AE/DuPont on 1 U05/2001 03:42 PM ---------------------------- Robert F_Pinchot 11/05/2001 03:02 PM_______________ To: cc: Subject Debble J Mulrooney/AE/DuPont@DuPont, Steven L Grise/AE/DuPont@DuPont, Mary A Kaiser/AE/DuPont@DuPont, Ron J Buchanan/AE/DuPont@DuPont, Roger J Zlpfel/AE/DuPont@DuPont Ta-Wei Fu/SE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, David M RuraltfAE/DuPont@DuPont, Chris E Shoop/AE/DuPontQDuPont, Robert L Ritchey/CL/DuPan1@DuPont, Charles J Zarzecki/AE/DuPorrt@DuPont, Stephen T Bres!

Rurak, DuPont Bernard, J.

We understand that O R E has agreed that DuPont's submission shall not prevent DuPont from asserting, in any proceeding, that section 8(e) did not require submission of this information.

' Confidential DuPont Business Infoimation 11 r ^ ^ ^