Do you know of any sampling work that Dupont, EPA or others have done on the ISC model in the past?

Frame (DuPont, Haskell Laboratory for Health and Environmental Science), DuPont-15261, June 25, 2004.

AR226-2216 Chris E Shoop 11^/2001^)3:08 PM To: ce: Subject Ralph M Aten/AE/DuPont@DuPont Debbie J Mulrooney/AE/DuPont@DuPont Particulate / C-8 Emissions from SemiwoiKs Ralph, In about August of this year 1 used information from the semiworks air permit application that you were preparing to provide data to the state on total C-8 emissions for the site.

AR226-2201 ^ Debbie J Mulrooney 10/12/2001 04:00 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont Met Data used in Modeling FYI, here is the met data for the day in question (November 12,1996).

Frame (DuPont, Haskell Laboratory for Health and Environmental Science), DuPont-15261, June 25, 2004.

\/""_^-^--/ Stephen W Constable_______09/08/2000 11:02 AM To: cc: Subject: William G 0'Brien/AE/DuPont@DuPont Ta-Wei Fu/CL/DuPont@DuPont analytical for C8 I met wilh Ta-Wei Ihis moniiiig and he mentioned (hat you were searching for a method to analyse C8.

Ann Bradley/STB/DUPQDUP, Bernard J Reilly/AE/DuPontQDuPont, DWATKINS@MAIL.D6P.8TATE.WV.US, GDASHER@MAIL.DEP.STATE.WV.US, DCR18SMA1L.DEP.8TATE,WV.US, CONNOR.QARTH@EPA.GOV, REINHART.ROGER@EPA.GOV, DSTAATSQMAIL.DEP.STATE.WV.US, Robert L Rltchey/CL/DuPont@DuPont, WTOOMEY@WVDHHR.ORG, Laura R Walter/AE/DuPont@DuPont, abenincasa@mait.d9p.state.wv.us, STEVE.WIU,IAMS@EPA.8TATE.OH.U8.

rooney/AE/DuPont@DuPont, Karl G Ki-onberg/AE/DuPont@DuPont Data Sheet for Permitted Emissions CONFIDENTIAL COMMUNICATION Debbie, Here is the sheet I promised but I will need to have Kart complete the cells for PEP, and check the cells for PFA.

AR226-2216 Chris E Shoop 11/19/2001 03:08 P M _________ _______ _ To: Ralph M Aten/AE/DuPont@DuPont cc: Debbie J Mulrooney/AE/DuPont@DuPont Su bject Particulate / C -8 Em issions from Semiworks Ralph, In about August of this year 1used information from the semiworks air permit application that you were preparing to provide data to the state on total C-8 emissions for the site.

Do you know of any sampling work that Dupont, EPA or others have done on the ISC model in the past?

- / s g Anthony J Playtis 01/22/2002 12:49 PM To John R Bowman/AE/DuPont@DuPont cc: Mary A Kaiser/AE/DuPon1@DuPont Subject: Blood Data In response to your request, here is the blood data for 2001 with employee names omitted to preserve medical confidentiality.

- / s g Anthony J Playtis 01/22/2002 12:49 PM To John R Bowman/AE/DuPont@DuPont cc: Mary A Kaiser/AE/DuPon1@DuPont Subject: Blood Data In response to your request, here is the blood data for 2001 with employee names omitted to preserve medical confidentiality.

Frame (DuPont, Haskell Laboratory for Health and Environmental Science), DuPont-15261, June 25, 2004.

Roger J Zipfel 0 6 /0 7 /9 9 01 :2 5 PM i To: Gerald L Kennedy/AE/DuPont@DuPont, Anthony J Playtis/CL/DuPont<>DuPont cc: Subject: Allowable C -8 levels in employee drinking w aters Gerry, Tony and I need to have a one hour phone discussion with you concerning allowable levels of C -8 in the drinking w ater for site employees.

AR226-2212 C hris JE S hoop 11/07/2001 04:47 PM To: Debbie J Mulrooney/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPont@DuPont cc: Subject: Data Sheet for Permitted Emissions CONFIDENTIAL COMMUNICATION Debbie, Here is the sheet I promised but I will need to have Kari complete the cells for FEP, and check the cells for PFA.