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AR226-2308 i-ffe g e f } From : To: D ate : S u b ject: B I Spires Kay G ilm er 3/12/03 3:10P M Fwd: Dupont update > B ill Spires 03/12/03 07:48A M > Director's update: DAPG had discussions with both Th e State of W est Virginia and Dupont concerning the air em issions o f C 8 from the W est Virginia facility.

DuPont Modeling Methodology and Results DRAFT Shimizu Site June 2003 AR226- 06/02/03 IO GJ GJ About the Model Industrial Source Complex Short Term 3 (ISCST3) Sold/used globally, Including in Japan http://www.phoenix-r.co.jp/products/products.htm Input Stack height, diameter Flowrate, temperature Mass of pollutant (kilogram per hour) Local meteorological data (Shlzouka 1997, 98, 99) Output Ambient air concentrations in ug/m3 Max values and locations outside the property line CAB000376 Prevailing wind -- *> R HD H CAB0OO377 Ambient annual ground level concentration in ug/m3 Model Calculations i Ambient air concentrations based onGaussian Equation Concentration a function of a vertical term and a i dispersion term i Vertical term based on stack height, receptor elevation, plume rise, mixing i B H O H Dispersion parameters describe distribution of pollutant in lateral and vertical CAB000378 m Ha<H1 ir CABO0037 9 Shimizu Modeling Inputs Stack Parameters Source ID 1 2 3 4 ssmPmPccoraarresuupp-tbbs))-scbbcreeurrrub((bbccbeaaerllDeereeeddxsxi""tciAAtfroiCfCportrifSSoifninccnerreuupbbpobboweewdrrd''eoeornnr DBCScrubber MP-2scrubber location DPlant DPlant pcolaEpnoPMtlyflaPomn-rp2teoP:rwbcFtuoydAippeldaoerinnlymdgm:iFceErroP- OOOOppppeeeepppprerrreeeOdddrdrrraaaappppaaaaptttteeeeyyyyeeeee,,rr,,rrssssryayy2y2112222eeete0788i44o44aaaa0000nrrrrhhhhddddsooooaaaauuuuyyyyrrrrssssssssj Height, m - Diameter, m 8 0.68(1) 15 0.6 18,2 0.6 16.1 10.6 assumed Flowrate m3/hr 2400 9600 1620 7500 r~ N> (1)GivenInemailof4/17/03from Hidetaka Hlromatsu: 600sommsquaredlametTer.

AR226-2421 S ROGER, HD HERE ARE JIM YOAK THE OH RESULTS 11/19/91?

AR226-2514 From: D ick J C Meijer on 04/03/2002 07:38 A M CET To: Ta-W ei Fu/SE/DuPorrt@DuPont cc: Ton Roelen/EUR/DuPont@DuPont, Stephen R Peck/SE/DuPont@DuPont, Yoshihiro Hayatsu/PO/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Akito Abe/AE/DuPont@DuPont, O scar T Garza/AE/DuPont@DuPont, Francois P van Langevelde/EU R/D uPont@ D uPont Subject: Re: C -8 analysis at W W lab | Ta-wei, Francois van Langevelde is the Analytical Chemist for TEFLON and FEP.

` ' AR226-2537 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region III 841 Chestnut Building Philadelphia, Pennsylvania 19107 OATS RECEIVED 10-3'tL bnvironmentai omcB In Reply Refer To: (3HW52) CERTIFIED-MAIL RETH1N.RECEIPT REQUESTED W.

AR226-2569 Andrew S Hartten

FOR DU PONT USE ONLY AR226-2755 Copies co E.

AR226-2785 FOR DU PONT USE ONLY Copies to: ,,.

FOR D PONT USE ONLY Copies to AR226-2898 E a I. du Pont de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark, Delaware 19711 HASKELL LABORATORY REPORT NO. 352-81 MR NO Haskell N o .

Bye Irritation Test with H-21095 in Babbits Laboratory Project ID Haskell Laboratory Report No. 271-95 Author Carol Finlay ) Study Completed On April 20, 1995 Performing Laboratory E.

m m m sm -, AR226-3024 Study Title Bye Irritation Test with H-21209 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 602-95 Author Tracy A.

AR226-3039 Study Title Approximate Lethal Dose (ALD) of H-2I460 in Rats Laboratory Project ID Haskell Laboratory Report No. 176-96 Author Tracy A.

AR226-3130 DuPont-3312 TRADE SECRET Study Title H-24119: Eye Irritation Test in Rabbits Laboratory Project ID: DuPont-3312 AUTHOR: Tracy A.

TRADE SECRET AR226-3163 DuPont-4594 Study Title H-24159: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4594 A u t h o r : Robert A.