To: cc: Subject: Lester H Marks/AE/DuPont@DuPont, Stephen J Devries/CL/DuPont@DuPont, James W Hunt/CL/DuPont@DuPont, Partick J Cavanagh/CL/DuPont@DuPont, Kevin C Rentzsch/AE/DuPont@DuPont Lauren D Anderson/AE/DuPont@DuPont, Rex M Branstetter/AE/DuPont@DuPont, Gene C Mahaney/AE/DuPont@DuPont.

E.I. duPont de Nemours & Co., Inc.

AR226-2555 Robert F Pinchot 05/11/2000 07:31 AM To: co: Subject: David M Rurak/AE/DuPont@DuPont, Michael E McCord/ABDuPontQOuPont, Robert J Cavanaugn/DuPontQDuPont, Luk D'Haenens/EUR/DuPontOuPont, Roger J 21pfel/AE/DuPont@DuPont, Anthony J playtis/CL/DuPontDuPont, Arie sl Vermeulen/EUR/DuPont@DuPont, Gerald L Kennedy/AE/DuPont<aDuPont, William R Berti/AE/DuPont@DuPont, John Gannon/AE/DuPontQDuPont, Robert L Rltchey/CUOuPont@OuPort, Andrew 8 HarttBn/A6/DuPont@DuPont, Susan S Mileti/DuPont@DuPont Andrea V Malinowski/A/DuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Richard J Angiullo/AE/DuPontQDuPont, Bernard J Reilly/AE/DuPontQOuPont, Gary W Jepson/AE/DuPont@DuPont PFOA EPA Request As many of you know, the Office of Pollution Prevention and Toxics in the US EPA has requested that DuPont supply a large amount of information on Pertluorooctanoate (PFOA or C-8).

Ann Bradley/STB/DUP@DUP, Stephanie R Timmermeyer/STB/DUP@DUP, Robbin Banerjee/AE/DuPont@DuPont, Paul J Bossert/ABDuPont@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/CUDuPont@DuPont, George A Ainsley/SE/DuPont@DuPont Martha L Rees/AE/DuPont@DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Conf Call Dec 3 at 2 PM on Deadlines in Multi-Media Order Deadlines Team: Recall we are holding weekly conference calls to assure we meet the deadlines in the Multi-Media Order.

AR226-2180 Robert F Pinchot 08/22/2001 11:22 AM To: cc: Subject: David M Rural</AE/DuPont@DuPont Bernard J Reilly/AE/DuPont@DuPont, Robert L Ritchey/CUDuPontQDuPont, Paul J Bossert/AE/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont, Isidores J 2anikos/AE/DuPont@DuPont, Andrew S Hartten/AE/DuPont@DuPont.

Jn response to DuPont's argument that DuPont "has actively pursued" C-8 blood testing.

I. duPont de Nemours and Company ("DuPont") we hereby file this response to the Request for Information addressed to Mr, Paul Bossert at DuPont's Washington Works facility and dated July 24, 2001 ("Information Request").

. . . ----------------- -------Forwarded by John E Crum/SE/DuPont on 07/27/2001 07:34 AM -- --------------------- ----- -- Donald E McKown ' 07/26/2001 05:03 PM EID339032 To: John E Crum/SE/DuPcmt@DuPont, John S Hammond/HO/DuPont@DuPont oc: Subject: C-8 sampling Forwarded by Donald E M eKown/SE/DuPont on 07/26/2001 05:03 PM Jack L Offenberger 07/26/2001 01:21 PM To: cc: Subject: James W Hunt/CL/DuPont@DuPont Donald E McKown/SE/DuPont@DuPont, Becky Szakats Dlnes/CL/DuPont@DuPont, Nicholas K Reed/AE/DuPont@DuPont, Mark D Cothem/SE/DuPont@DuPont, Anthony J Playtis/CL/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont C-8 sampling W e 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 tim e frame.

As o f this date, DuPont has received no guidance.

For example, documents within DuPont's possession confirm that DuPont began sampling for and confirmed the presence of C-8 in Dry Run Creek dating back to at least 1990 (see Exh.

Thanks, Rob - Forwarded by Robert F PInchol/DEV/AE/DuPont on 03/27/200212:46 PM '^ Hugh J CampbelLJr ' 03/25/2002 1121 AM To: CK Subject: Timothy S Bingman/AE/DuPont@DuPont, Hugh J Campbell_lr/AE/DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont, Robert W Rickard/AE/DuPont, Awni SanWEUR/DuPont, Robert C Buck/DuPont@DuPont, David U Rurak/ABDuPont@DuPont Long-range atmospheric transport of PFOA FOLKS, I HAVENT HAD A CHANCE TO REVIEW YET...BUT WE SHOULD DISCUSS AT TOMORROW'S MTG.

- ----------------- -------------Forwarded by John E Crum/SE/DuPont on 07/27/2001 07:34 A M ---------------------------------------- ( if Donald E McKown ' 07/26/2001 05:03 PM To: John E Crum/SE/DuPont@DuPont, John S Haminond/HO/DuPont@DuPont cc: Subject: C-8 sampling - Forwarded by Donald E McKown/SE/DuPont on 07/26/2001 05:03 P M ------ Jack L Offenberger 07/26/2001 01:21 PM EID339020 To: cc: Subject: James W Hunt/CL/DuPont@DuPont Donald E McKown/SE/DuPont@DuPont, Becky Szakats Dines/CL/DuPont@DuPoni, Nicholas K Raed/AE/DuPont@DuPont, Mark D Cothern/SE/DuPont@DuPont, Anthony J P!

AR226-2048 ^ Ta-Wei Fu 07/30/2001 08:01 AM To: cc: Subject John E Crum/SE/DuPont@DuPont Ta-Wel Fu/CL/DuPont@DuPont, Roger J 2ipfel/AE/DuPont@DuPont Re: C-8 sampling D John, Maybe I did not make my points clear on the phone so I would like to clarify it here: 1.

Rob -----------------------------Forwarded by Robert F Pinchot/DEV/AE/DuPont on 04/20/2000 08:04 A M ------------------------------------ Robert F Pinchot 04/10/2000 03:24 PM________________________________ To: cc: Subject: Richard J Anglullo/AE/OuPont@DuPont, Timothy P Mecann/DuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Michael 6 McCord/AE/DuPont@DuPont Robbiri Banerjee/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont request for information on perfluorochemicals Please see the attached.

- To: Subject: Ton Roelen/EUR/DuPontODuPont, David M Rurak/AE/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPorrt@DuPont Frenk Hulsebosch/EUR/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont.