AR226-2435 INTEROFFICE MEMORANDUM Date: From: Dept: Tel No: 22-Feb-1994 04:09pm Roger J.

AR226-2512 puLu : I J . ' L` Hidetaka Hiromatsu 04/02/2002 09:04 AM To : Andrew S Hartten/AE/DuPont@DuPont c c : David M Rurak/AE/DuPont@DuPont, Seiichi Tanaka/PO/DuPont@DuPont, V ic E Kleinfelter/AE/DuPor*t@DuPont, Etsue Takanouji/DuPont@DuPont, Koichi lnagaki/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPorrt@DuPont, Kazuaki Yokoyama/PO/DuPont@DuPont, Susan L Skrotsky/AE/DuPont@ DuPont, Shikiho ltaya/PO/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPorttr Diane R Shomper/AE/DuPont@DuPont, Ta-W ei Fu/SE/DuPont@DuPont, O scar T Garza/AE/DuPorrt@DuPont, Isidores J Zanikos/AE/DuPont@DuPont Subject: Re: APFO vs.

AR226-2653 AR226-2653 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 1823C for the Thermal Converter complies with the C-8 assessment of toxicity (CAT) recommended airborne screening level o f 1.0 ug/m3 at the property line fence.

AR226-2664 54 > RES EA RC H Precise Research.

RECYCLED uroi AR226-2703 AR226-2703 TORONTO WORKSHOP MATERIALS Septem ber 13-14,2004 Fluorotelom ers________ What are they?

AR226-2732 The miracles o f science" Study Title MODELING RELEASES OF AMMONIUM PERFLUOROOCTANOATE INTO THE OHIO RIVER Author William R.

AR226-2758 FOR DU PONT USE ONLY Copies co: E.

AR226-3002 Study Title Skin Irritation Test with H-20431 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 51-94 Author Carol Finlay Study Completed On March 15, 1994 Performing Laboratory E.

TRADE SECRET DuPont HL-1997-00735 AR226-3077 Study Title H-22762: Eye Irritation Test in Rabbits Laboratory Project ED: HL-1997-00735 Author: Carol Finlay, B.A.

TRADE SECRET AR226-3169 DuPont-5019 Study Title H-24615: Static, Acute, 96-Hour Screening Test with Pimephalespromelas Laboratory Project ID: DuPont-5019 AUTHOR: Robert A .

AR226-3356 Effects of Fluorotelomer Products on the Bacterial Growth, Degradation of Organic Substances, and Microbial Population from Activated Sludge of a Domestic Sewage Treatment Plant Wana N.1.

fi 5 3i OOOOG M U G - 3H-0Z TRIP REPORT: National Medical Services Laboratory (NMS), Willow Grove, Pennsylvania Tuesday, January 29, 2002 Mary A.

Afua.6- ltflf. 9 v M i * 68 000652 Job Code 8PE 08PF 08PH 08PI 08PJ 08PM 18PA 18PB 18PC 18PD 18PJ 18PK M echanics 1984 6.4 3.5 0.8 1.3 0.8 2.5 0.9 Average for Job 1985 1989-1990 4.9 4.4 3.2 2.2 2.4 0,7 0.4 1A 0,1 0.6 0.9 2.7 0.5 1.1 0.1 0.4 1995 2.5 2.9 1.7 2.0 0.5 1.7 2.3 1.6 3.3 0.1 0.7 2.1 1.0 ARX26- W q- i11rlii 000SS3

^Catherine E.

NORTHERN KENTUCKY OFRCE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2638 513-361-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2638 FAX: 937-228-2816 R o b e r t A.