We look forward to working with you and other representatives from DuPont In this matter.

DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.0.

Auer Oscar Hernandez Jennifer Seed Mary Ellen Weber Mary Dominiak September 152004 Page 2 at the DuPont Washington Works Plant.

gens. too6. ti' fg MZ76- illf-f DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

AR226-2174 DISPERSION MODELING PROTOCOL Fluoropolymers Plant-APFO Emissions DuPont Washington Works Prepared by: Debbie J.

Auer Oscar Hernandez Jennifer Seed Mary Ellen Weber Mary Dominiak September 15, 2004 Page 2 at the DuPont Washington Works Plant.

While DuPont does not believe this information is substantial risk information reportable under TSCA 8(e), DuPont is submitting the information to the TSCA 8(e) office in view of the Agency's continued interest in perfluorinated substances .

DuPont; U.S. general; Wood Cty, WV; state of WV; and Washington Cty, Ohio 2 Who... ... are the subjects?

gens. too6. ti' fg MZ76- illf-f DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

At DuPont, we have systems, processes and protocols in place ensuring that PFAS is used safely, controlled to the highest standards and minimized.

DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.0.

DuPont further objects to this Interrogatory on the ground that it seeks information that is not within the possession, custody, or control of DuPont.

AR226-3126 TRADE SECRET Study Title H-24119: Bacterial Reverse Mutation Test in Salmonella typhimurium and Escherichia coli Laboratory Project ID: DuPont-3220 TEST GUIDELINES: U.S.

In monthly for C-8 by DuPont.

Page 7 of 16 CONTAINS CONFIDENTIAL BUSINESS INFORMATION DuPont EMSE Report No. 053-00 TABLE 2.