-_-- en| ARESEARCH pivenRol _-- = Ar226-1950 SEA 0SEPR25 pi: gy IY 3M Company Analysisof PFOA and PFOS in Water Samples from OakdaleMunicipality E05-0184 Exygen Report No.

TesfResute AR226-2128 file:///C|/WINDOWS/TBMP/RD C-8 1.3-79 thru 4-30-811 pagelttm lof2 Test Results Sample Date Range Concwtradon Ranga Action L<?

AR226-2136 <-z-< RE?

AR226-2175 Chris E Shoop 08/08/2001 05:23 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPont@DuPont Robert L Ritchey/CL/DuPont@DuPont, M.

AR226-2241 ^ Debbie J Mulrooney 01/07/2002 01:14 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont Modeling Results Rob, Here are the contour plots and maximum concentrations from the straight dispersion runs (no deposition or depletion) for both 2000 actual and permitted emissions.

AR226-2268 To: cc: Subject: Catherine A Barton/AE/DuPontQDuPont SpruancB C8 Assessment Win the legal suit, you may want to talk with Legal and not create any documentation that is not necessary.

AR226-2297 y David M Rurak 02/10/2003 06:52 PM To: cc: Subject: Seiichi Tanaka/PO/DuPont@DuPont Ta-Wei Pu/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 Re: CEG Calculation at Shimizu Site D Tanaka-san, Please allow me to clarify a couple of items: 1) First of all, the CEG is not calculated for a plant site.

AR226-2320 y Ann K Masse 04/02/2003 08:03 PM To: cc: Subject: Irene A Legiec/AE/DuPont@DuPont, Mark D Richmond/AE/DuPont@DuPont Catherine A Barton/AE/DuPont@DuPont Dispersion modeling data folks, We need to have this data to Cathy by the end of next week (4/11).

Heth 0>3 ; C o ffi p on eni: Date LiKB700 ::L000000.USERSyjUa ET-C8 10-SEP -1-391 14:47:07.30 Quad ra tic fit KO; 1 5256E-03 Kl: 1.3351E+00 Inte'r r ial sfcandard!

3M General Offices 3M Center St.

AR226-2459 From: Rik A Brandenburg on 05/26/99 09:14 AM CED To: cc: Subject: Roger J ZipfeI/AE/DuPont@DuPont Seiichi Tanaka/PO/DuPont@DuPont Re: C-B in drinking water || Roger, We have no data for c-8 in drinking water and a lot of data on C-8 in ground water.

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OS AR226-2660 RESEARCH Precise Research. \ Proven Results.

AR226-2681 Environmental Laboratory AR226-2681 Results from Analyses of Soil and Groundwater Samples From the E.

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