AR226-2088 /^s^f^f-c^ SITE; CHEMICALL: /f-^^ u ^ i m^f ajq/s.f-^s1 .

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AR226-2599 ^ Andrew S Hartten 02/13/2003 02:32 PM To: ce: Subject: "Steve Williams" <steve.williams@epa.state.oh.us> @ DUPONT_MHUB "Michael Preston" <michael.preston@epa.state.oh.us>, "Sarah Wallace" <sarah.wallace@epa.state.oh.us>, M.

AR226-2613 1 AR226-2613 C:\Documents and Settings\BARTONC\Desktop\c8\chambers DISPERSION MODELING PROTOCOL Plant-wide C8 Emissions DuPont Chambers Works Facility Deepwater, New Jersey Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington.DE 19898 April 9,2003 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations of maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. 1.

AR226-2649 39 AR226-2649 ISC Modeling Methodology and Results Emission Source Information The ISC3 model was used to calculate ambient ground-level air concentrations and deposition rates for year 2000 actual C8 emissions from the Washington Works site.

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Copies to: E.

FOR DU FONT USE ONLY AR226-2755 Copies co:' E.

AR226-2813 Study Title Ammonium Perfluorooctanoate: Age Effect on the Plasma Concentration in Post-Weaning Rats Following Oral Gavage AUTHOR: Xing Han, Ph.D.

FOR'DU FONT USE ONLY AR226-2886 Copies to E.

AR226-2952 FOR W POUT USE ONLY Du Pont HLR 101-91 Study Title Skin Irritation Test wIthllHHBin Rabbits Author John M.

AR226-3046 Study Title Skin Irritation Test with H-21953 in Rabbits Laboratory Project ID Haskell laboratory Report No. 790-96 Author Tracy A.

% AR226-3067 SPONSOR ElfAtochemS.A.

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