Catherine A Barton Catherine A Barton 03/19/2003 04:25 P M To: Charles J Zarzecki/AE/DuPont@DuPont cc: Subject: lookee what I found Charlie, D am it,.

P-1 AR226-3586 January 30, 2006 70Q ~O lo-l^5l DuPont Corporate Remediation Group Barley Mill Plaza - Bldg. 19 4417 Lancaster Pike Wilmington, DE 19805 GS FE3 - ' ;.

AR226~ 3305 487 DuPont Haskell Laboratory for Health ~-- and Environmental Sciences AR246 -- 3305 ofc FROM: J.C.

Task A: Groundwater Use and Well Survey/Groundwater Monitoring has been completed (DuPont, 2002a; 2002b).

H-24516: Subchronic'loxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations AR226-3201 DuPont-5368 TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 5 of 5 Laboratory Project ID: DuPont-5386 TEST GUIDELINES; U.S.

The Tennants have sued DuPont in connection with the release of various pollutants and contaminants from DuPont's Dry Run Landfill in Wood County, West Virginia.

M m6 - 417 H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations AMU- Revised Page DuPont-5386 TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Revision No. 1 Volume 2 o f 5 Test Guidelines: U.S.

- Tr AR226-2637 ) 25 AR226-2637 PHASE I SUPPLEMENTAL RCRA FACILITY INVESTIGATION REPORT DUPONT FAYETTEVILLE WORKS FAYETTEVILLE, NORTH CAROLINA Prepared for DuPont Fayetteville Works Highway 87 South Fayetteville, NC 28302 RCRA Permit No.

DuPont adopted the regular use of LC/MS/MS for C-8 analysis in water in November 2001 and Exygen was contracted to perform the analyses for DuPont.

Priorto 1991, DuPont performed C-8 analysis at the DuPont Experimental Station in Wilmington, Delaware.

DuPont.13970 INTRODUCTIO

DuPont de Nemours and C

As the only fully integrated U.S. producer/manufacturer oftelomer products, DuPont volunteered to conduct a series of environmental assessments at its telomer manufacturing operations located at Chambers Works in Deepwater, New Jersey and Washington Works in Parkersburg, West Virginia (TRP LOI Appendix 1).

Q Based on the current data available, DuPont believes the following pathway does exist C-8 from the DuPont facility is transported via air emissions by wind and is deposited on the Little Hocking well field surface soils.

A screening level assessment conceptual model was developed utilizing the results from the extensive site-related modeling and monitoring that was conducted at the DuPont Washington Works site (see Figure 1).