/AE/DuPont@DuPont Ta-Wei Fu/CL/DuPont@DuPont 3m fluoride?

AR226-2321 Ann K Masse ' 04/02/2003 06:15 PM To: cc: Subject: John W Milroy_lll/DDE/DuPont@DuPont, Stephen R Hastings/DDE/DuPont@DuPont, Edward J Lukosius/AE/DuPont@DuPont, Gregory P Shankwitz/CL/DuPont@DuPont Catherine A Barton/AE/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont Data for air dispersion modeling Folks, Please provide the requested data to Cathy Barton (see attached e-mail) for the DDE process (Kalrez) and the DFS process by 4/11.

AR226-2297 David M Rurak 02/10/2003 06:52 PM To: Seiichi Tanaka/PO/DuPont@DuPont cc: Ta-Wei Fu/CL/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@DuPont, Akito Abe/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont Subject: R e : CEG Calculation at Shimizu Site D Tanaka-san, Please allow me to clarify a couple of items: 1) First of all, the C E G is not calculated for a plant site.

Chris E Shoop/AE/DuPont@DuPont, M.

| | | |0 | DuPont Confidential 4June 2004 CompanySanitized.

Robbin Banerjee/AE/DuPont@DuPont, Paul J Bossert/AE/DuPont@DuPont, H David Ramsey/SE/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont, Robert W Rickard/AE/DuPont@DuPont, Andrew S Hartten/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, George A Ainsley/SE/DuPont@DuPont cc: Martha L Rees/AE/DuPont@DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Subject: Conf Call D ec 3 at 2 PM on Deadlines in Multi-Media Order .

AR226-2474 To: Ton RoelenyEUR/DuPont@>DuPont, David M Rurak/AE/DuPont@DuPont, Katsunosuke Kitagaw a/PO /D uPont@ D uPont cc: Frenk Hulsebosch/EUR/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Roger J ZipfeI/AE/DuPont@DuPont, Toni S Hess/HO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Patrick E Lindner/AE/DuPont@DuPont, Michael E McCord/AE/DuPont@DuPont Subject: TEST M ATRIX FOR C-8 FROM DIFFERENT SOURCES Ton, Dave and Kitagawa-san, Attached is a chart summarizing the tests performed (or successfully used) for C-8 from various sources.

DuPont Memo.

Robert L Ritchey r 07/19/2001 10:15 AM To: cc: Subject: John R Bowman/AE/DuPont@DuPont Bernard J Reilly/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, M.

Cor De Heer/EUR/DuPont@>DuPont, Katsunosuke Kitagawa/PO/DuPont(>DuPont, Oscar T Garza/AE/DuPont@DuPont, Akito Abe/AE/DuPont@DuPont, Mark E Reeder/SE/DuPont@DuPont Re: C8 analyses In waste water ^ Francois, I think it will be very valuable for both WW and Shimizu to kn.ow all your available standardized C-8 analysis at Dordrecht as our first step to move toward converging test methods. .

AR226-2266 Robert F Pinchot 03/27/2002 12:49 PM To: Steven L Grise/AE/DuPont@DuPont, Debbie J Mulrooriey/AE/DuPont@DuPont, Gerald N VanderweifflAE/DuPont@ DuPont cc: Hugh J Cam pbeil_Jr/AE/DuPont@DuPont, David M Rurak/AE/DuPont@DuPont Subject: Long-range atm ospheric transport of PFO A Steve, Debbie, Gerry, Please take a look at the attached analysis....

AR226-2210 Robert Pinchot 11/05/2001 03:02 PM ________ ____________________ To: Debbie 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 Zipfel/AE/DuPont@DuPont cc: Ta-W ei Fu/SE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, David M Rurak/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont, Stephen T Breske/AE/DuPont@DuPont Subject: Mulit Media Consent Order APFO data requirements It looks like we are getting close to agreeing on the requirements for a Consent order between the W V Dept, of Environmental Protection, the W V Department of Health and Human Resources, and DuPont.

AR226-2169 k, Robert L Ritchey r 07/27/2001 03:43 PM To: Chris E Shoop/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPont@DuPont, Debbie J Wlulrooney/AE/DuPont@DuPont cc: Stephen J Gissy/AE/DuPont@DuPont, David F Altman/SE/DuPont@DuPont, Andrea V Mallnowski/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Subject: DuPont Washington Works Model Input Files Chris and Kart, I guarantee a check by Hanshaw against permit applications re: stack flows and velocities.

AR226-2321 / Ann K Masse 04/02/2003 06:15 PM To: cc: Subject: John W MilroyJII/DDE/DuPont@DuPont, Stephen R Hastings/DDE/DuPont@DuPont, Edward J Lukosius/AE/DuPont@DuPont, Gregory P Shankwitz/CL/DuPont@DuPont Catherine A Barton/AE/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont Data for air dispersion modeling Folks, Please provide the requested data lo Cathy Barton (see attached e-mail) for the DDE process (Kalrez) and the DFS process by 4/11.

.^^^^^ e n 0 4 / 0 4 / 2 0 0 2 09:57 AM I To: Ta-Wei Fu/SE/DuPont@DuPont cc: Hidetaka Hiromatsu/PO/OuPont@DuPont, David M Rurak/AE/DuPorrt@DuPont, Seiichi Tanal(a/PO/DuPont@DuPent, Vie E Kleinfeher/AE/DuPont@DuPont, Etsuo Takenoijii/DuPont@>buPoht, Kpichi lnagaki/PO/DuPont@D.uPont, Kazuaki SuzuId/PO/DuPontlSlDuPont, Katsunostifce Subject: Kltagawa/PO/DuPont@DuPont.