AR226-2330 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 E ID 747779 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations o f maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. . 1. .

Does not contain TSCA CBI -- H:25357: ApproximateLethalDose (ALD) by Skin Absorption in Rabbis DuPont 11238 STUDY PERSONNEL Study Director: Carol Finlay, B.A.

ARZA6 _ 3242 424 TRADE SECRET ARR26 -- 324-2 Dupont10249 Study Title H-25240: Corrositex In Vitro Test Laboratory Project ID: DuPont-10249 AuTHOR: Carol Finlay, B.A.

I. du Font de Nemours and Company, Newark, Delaware or in the DuPont Records Management Center, Wilmington, Delaware.

DuPont HLR 13-93 C.

Committed to health and sustainability DuPont Deutschland Holding GmbH & Co.

Attachment 1 Page 1 May 19,2004 AIR DATA DUPONT WASHINGTON WORKS SITE This submittal summarizes available information from the following two data collection efforts, both of which are associated with PFOA in air at the DuPont Washington Works site: 1.

Determination of Ultraviolet Spectrum: 8-2 Telomer B Alcohol DUPONT REPORT # 12734 8-2 TELOMER B ALCOHOL, C4F1;CH,CH,0H: ULTRAVIOLET SPECTRUM Test Guideline(s) Authors MarAy Kaiser, PD.

I. du Pont de Nemours and Company ("DuPont") owns and operates the DuPont Washington Works Plant in Parkersburg, West Virginia, across the Ohio River from the Little Hocking well field.

Gallery) GE Little Hocking Lubeck Belpre Total 68 21 4 4 7 ASH019878 EID630310 No DuPont Pumpin '\..------. it .

- 0rea eEen SE, Viner Bt DuPont Engincering November 20, 2002 AR22 - lg 3 David P.

I, du Pont de Nemours and Company ("DuPont") owns and operates the DuPont Washington Works Plant in Parkersburg, West Virginia, across the Ohio River from the Little Hocking well field.

DuPont intends to continue to actively operate site hydraulic control program and monitor its effectiveness going forward.

P M&&6 - 32 f 451 Determination of Ultraviolet DuPont report # 12734 t Test Guideline(s) Authors Maiy A.

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