By December of 1936, DuPont was. !

AR226-2194 Stephen J Glssy 08/28/2001 07:33 AW To: Ta-W ei Fu/SE/DuPont@ DuPont cc: Oscar T Garza/AE/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Robbin Banerjee/AE/DuPont@DuPont, Paul K.

AR226-2277 Robert I Wevodau 05/21/2002 09:36 AM To: cc: Subject: George L Clowes_Jr/CL/DuPont@>DuPont, Ravinder Sinah/CL/DuPont@DuPont, Michael T Evans/AE,'DuPont@DuPont, Michael G McClusky/AE/DuPont@DuPont, Cynthia E Read/AE/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont Stephen J Gissy/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPont@DuPont C8 Modeling We are anticipating that TERA will soon release an annual exposure level for C8.

Regards, Dick Ta-Wei Fu Ta-Wei Fu 02/04/2002 05:28 PM To: Ton Roelen/EUR/DuPont@DuPont, Dick J C Meijer/EUR/DuPont@DuPont cc: Stephen R Peck/SE/DuPont@DuPont, Yoshihiro Hayatsu/PO/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, A kito Abe/AE/DuPont@DuPont, O scar T G a rza/A E/D uPont@ D uPont .

AR226-2196 From: Fred M Lentz on 08/28/2001 07:54 AM To: Ta-Wei Fu/SE/DuPont@DuPont cc: Stephen J Gissy/AE/DuPont@DuPont, Oscar T Garza/AE/BuPont@DuPont, Robbin Banerjee/AE/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, David M Rurak/AE/DuPont@DuPont, Raymond C Butterworth/CL/DuPont@DuPont, John R Flynn/AE/DuPont@DuPont, Amy L Brown/AE/DuPont@DuPont, Thomas W Mahlberg/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont, Alvin H Gibson_Jr/CL/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Kenneth P Kelch/AE/DuPont@DuPont Subject: Re: ACTION ITEMS FROM APFO DISPERSION MODELLING D Ta-W ei If you have not already done so, please take a moment to review these results with Ken Kelch.

AR226-2515 Andrew S Hartten 04/04/2002 09:57 A M f To: Ta-W ei Fu/SE/DuPont@ DuPont cc: Hidetaka Hirom atsu/PO/DuPont@ DuPont, David M Rurak/AE/DuPont@ DuPont, Seiichi Tanaka/PO/DuPont@ DuPont, V ic E Kleinfelter/AE/DuPont@DuPont, Etsuo Takenouji/DuPont@ DuPont, Koichi lnagaki/PO/DuPont@ D.uPont, Kazuaki Suzuki/PO /DuPont@ DuPont, Katsunosuke Kitagaw a/PO /DuPong@ DuPont, KazuaW okoyam a/PO/i3uPont@ DuPont, Su san l, Skrotsky/AE/DuPont@ DuPont, Shikiho ltaya/PO /DuPont@ DuPont, George H Sefikler_Jr/AE/DuPont@ DuPont, Diane R Shom per/AE/DuPont^>DuPont, O scar T Garza/AE/DuPont@ DuPont, IsIdoroS J , Zanikos/AE/DuPont@ DuPont, Stephen R Peck/SE/DuPont@ DuPont Subject: Re: A PFO v s.

AR226-2196 From: To: cc Subject: Fred M Lentz on 08/28/2001 07:54 AM Ta-Wei Fu/SE/DuPont@DuPont Stephen J Gissy/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Robbin Banerjee/AE/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, David M Rurak/AE/DuPont@DuPont, Raymond C Butterworth/CL/DuPont@DuPont, John R Flynn/AE/DuPont@DuPont, Amy L Brown/AE/DuPontQDuPont, Thomas W Mahlberg/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont.

Martha L Rees/AE/DuPont@DuPont@DuPont, Isidoros J Zahikos/AE/DuPont@DuPont, Robert W Rickard/AE/DuPont@DuPont, Janet H Waters/CUDuPont@DuPont, R Clifton Webb/AE/DuPont@DuPont Gerald L Kennedy/AE/DuPont@DuPont, John R Bowtnan/AE/DuPont@DuPont, M.

--------------------------- Forw arded b y G e o rg e W oytow ich/CL/D uPont on 09/20/2000 08:09 A M -- |R e b e cca M M cC rad y ^ 09/19/2000 03:28 P M | To: C Art Gray/SE/DuPont@ DuPont, Jon F Moore/CL/DuPont@ DuPont, Maggie M Pagels/AE/DuPont@DuPont, George Woytowich/CL/DuPont DuPont, J Scott DeBee/CL/DuPontDuPont, Robert L Ritchey/CL/DuPont@ DuPont, Roger W Duff/SE/DuPont@ DuPont, Thomas E Gant/SE/DuPont@DuPont, Stephen P Bailey/CL/DuPont DuPont, Barbara J Deem/SE/DuPont@ DuPont, Alison A Crane/AE/DuPont@ DuPont cc: Paul E Rowan/SE/DuPont@ DuPont, Charles J Refshauge/AE/DuPont, Peter S Welcker/AE/DuPont, Cynthia H Kirschner/AE/DuPont@DuPont Subject 9/18/00 Water Sam ples Em pore filtration/extraction follow ed b y both FTIR and M a ss S p e c testing w ere done on the three w ater sam ples brought in yesterday.

AR226-2289 Robbin B anerjee 09/04/02 02:34 PM To: Oscar T Garza/AE/DuPont@ DuPont, Ta-W ei Fu/SE/DuPont@ DuPont cc: Stephen J Gissy/AE/DuPont@ DuPont, Kart G Kronberg/AE/DuPont@ DuPont, Fred M Lentz/SE/DuPont@ DuPont, Chris E Shoop/AE/DuPont@ DuPont Subject: CB report N O T Q U ITE SURE W H A T T H IS NUM BER M EANS Y E T ....F E N C E L IN E O R PO PULATIO N R EC EPTO R .....JU S T FO R IN FO ..... ----------------------------- Forwarded by Robbin Banerjee/AE/DuPont on 09/04/2002 05:33 PM -- ---------------------------------- From: Dawn D Jackson on 09/04/2002 04:48 PM To: Martha L Rees/AE/DuPont@ DuPont, John R Bowm an/AE/DuPont@ DuPont, David M Rurak/AE/DuPont@ DuPont, Diane R Shomper/AE/DuPont@ DuPont, Paul J Bosseri/AE/DuPont@ DuPont, H David Ram sey/SE/DuPont@ DuPont, George A Ainsley/SE/DuPont@ DuPont, Dawn D Jackson/CUDuPont@ DuPont, George H Senkler Jr/AE/DuPont@ DuPont, Robbin BanerJee/AE/DuPont@ DuPont, Kelli H Kukura/AE/DuPont@ DuPont, M.

cc: Andrea V Malinowski/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, John J Mentink/CL/DuPont@DuPont, M.

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AR226-2247 From: Bernard J R eilly on 01/15/2002 04:37 PM * To: David M Rurak/AE/DuPont@ DuPont, George H Senkler_Jr/AE/DuPont@ DuPont, Paul J Bossert/AE/DuPont@ DuPont, Martha L Rees/AE/DuPont@ DuPont@ DuPont, Isidoros J Zahikos/AE/DuPont@ DuPont, Robert W Rickard/AE/DuPont@ DuPont, Janet H W aters/CL/DuPont@ DuPont, R C lifton W ebb/AE/DuPont@ DuPont cc- Gerald L Kennedy/AE/DuPont@ DuPont, John R Bowman/AE/DuPont@ DuPont, M.

Mathur/CL/DuPontQDuPont, David M Rurak/AE/DuPont@DuPont, Raymond C Butterworth/CL/DuPont@DuPont, John R Flynn/AE/DuPont@DuPont, Amy L Brown/AE/DuPont@DuPont Thomas W Mahlberg/SE/DuPont@DuPont.

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-Wei 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: Re: Mulit Media Consent Order APFO data requirements D Please provide m e an update of progress on the attached task list.