:cVe r * DuPont's registered trademark for its fluorocarbon resin 000177-32 - WA0:kst doooso 03-Apr-1987 EID079219

l3^l-ll07-39f 3>o( November 20, 2007 DuPont Haskell Global Centers for Health and Environmental Sciences Elkton Road, P.O.

Environmental Protection Agency EPA East (Mail Code 7405M) 1200 Pennsylvania Avenue, NW Washington, DC 20460 From: Katie Smythe, on behalf of the Telomer Research Program Subject: TRP Document Submission -- Atmospheric Fate Final Report & Study Summary On behalfof the Telomer Research Program (TRP) and its member companies -- Asahi Glass, Clariant, Daikin Industries, and DuPont -- the following study report is submitted to the EPA for inclusion in Administrative Record 226 and/or Docket OPPT-2003-0012.

DuPont does not believe that the enclosed information triggers reporting obligations under TSCA 8(e).

AR226-2630 18 AR226-2630 DuPont Modeling Methodology and Results Dordrecht Site June 2003 About the Model I Industrial Source Complex Short Term 3 (ISCST3) I Sold/used globally, including in The Netherlands http://www.phoenix-r.co.jp/products/products.htm I Input I Stack height, diameter I Flowrate, temperature I Mass of pollutant (mass per time) I Local meteorological data (Rotterdam, 1996 - 2000) I Output I Ambient air concentrations in ug/m3 I Max values and locations outside the property line Prevailing wind Facility Ambient annual ground level concentration in ug/m3 Model Calculations I Ambient air concentrations based on Gaussian Equation I Concentration a function of a vertical term and a dispersion term I Vertical term based on stack height, receptor elevation, plume rise, mixing I Dispersion parameters describe distribution of pollutant in lateral and vertical Dordrecht Plant Site Dordrecht Modeling Inputs Stack Parameters PTFE Stack Height (m) 20.95 Stack Diam.

DuPont does not believe that the enclosed information triggers reporting obligations under TSCA 8(e).

PESTICCES AND TOXIC SUBSTANCES DuPont Haskell Laboratory Attn: Gerald L.

AR226-2319 y Charles J Zarzecki 04/02/2003 03:14 PM To: cc: Subject: Catherine A Barton/AE/DuPont Beychok Article Cathie, I finally was able to review the Beychok article on error propagation in dispersion modeling.

PESTICIDES AND TOXIC SUBSTANCES DuPont Haskell Laboratory Attn: Gerald L.

Environmental Protection Agency EPA East (Mail Code 7405M) 1200 Pennsylvania Avenue, NW Washington, DC 20460 From: Katie Smythe, onbehalfof the Telomer Research Program Subject: TRP Document Submission (Study Summaries) AR226-1419 RECEIVED OPPT NCIC 2003 July 18 12:00PM On behalf of the Telomer Research Program (TRP) and its member companies -- Asahi Glass, Clariant, Daikin, and DuPont the following study summaries are submitted to the EPA for inclusion in Administrative Record 226 [and/or Docket OPPT-2003-0012].

letter that the submission is intended for both the AR-226 docket and the TSCA 8(c) As such, DuPont states AR-226 docket and, as atphartectahuetieonnc,lotsoetdhedoTcSuCmeAnt8(s)aroeffiicnet,enndoetdwittohbsetaandsiunbgmiDsusPioonntt'o both firm the bTehliisefstuhbamtitshseioinnfsohromualtdionnotdobeesconontstrriugegderasreadpiorretcintgoorbliindgiarteicotnsadumnidsesriotnhatthsaetctDiuoPnoonftTbSeCliAeves tOhRatEanhyasofagtrheeeedntchlaotsDeduiPnofonrtmastuibomnitsrsiiggoenrsshsalulchnortepporretvienngtobDluiPgaotniotnsf.roWmeasusnerdteirnsgt,ainndatnhyat proceeding, that section 8() did not require submission of this information.

ZipfeT < ZIPFEL@ WWPS-A1.EMAIL.DUPONT.COM> on 0 9 /1 1 /9 9 03:11:06 AM To: Roger J Zipfel/AE/DuPont cc: Subject: (C-8 DORDRECHT/09-Feb-1998)C-8 analytical results Date: Mon, 9 Feb 1998 15:13:00 EDT From: "Roger J.

Buck fOs I Contractor: DuPont Company, Corporate Center for Analytical Sciences, E 402/5321, Wilmington DE 19880-0402 Study Dates: completed July 2002 CD CD Study Objective: The study objective was to detennine the ultraviolet spectrum, solubility, and vapor pressure of 8-2 Telomer B alcohol.

DuPont has conducted extensive studies to be able to define safe use and handling for our customers.

AR226-3054 DuPont HtR-842-96 I 1vmph Node Assay Screen with H22051 The Local Lymph Node Assay (LLNA) screen with H 2 2 0 5 | B H | wf s conducted in female CBA/JHsd mice.