AR226-2314 / Charles J Zarzecki 03/17/2003 11:09 AM To: cc: Subject Catherine A Barton/AE/DuPont AERMOD Met Data Hope you're having a wonderful conference call.

AR226-2560 August 31,2001 Mr.

AR226-2569 [AndrewSHartten"'' "'" " " " """09/Tl/200202:26"'PM| To: cc: Subject.

AR226-2644 33 AR226-2644 SPRUANCE TEFLON PROCESS AND WASTE WATER TREATMENT SYSTEM CHARACTERIZATION FOR C8 The procedure, which follows, has been prepared to address the sample collection need for C8 analysis of waste water samples including: 1.

AR226-2653 43 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 oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

AR226-2677 67 AR226-2677 DRL PROJECT ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 SRCNAME DRLEACHATE DRMW12 DRMW12A DRMW13 DRMW13A DRMW14 DRMW6 DRMW6A TRIP BLANKS DRLEACHATE DRMW12 DRMW12A DRMW12B DRMW13 DRMW13A DRMW14 DRMW6A OUTLET 001 PROPERTY BOUNDARY STREAM SAMPLING POINT#1 STREAM SAMPLING POINT#2 DRLEACHATE DRMW12 DRMW12A DRMW12B DRMW13 DRMW13A DRMW14 DRMW15 DRMW6A OUTLET 001' PROPERTY BOUNDARY STREAM SAMPLING POINT#1 STREAM SAMPLING POINT#2 DRLEACHATE DRMW12 DRMW12A DRMW12B DRMW13 DRMW13A DRMW14 DRMW15 DRMW6A OUTLET 001 PROPERTY BOUNDARY THEME Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Other liquid Other liquid Other liquid Other liquid Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Other liquid Other liquid Other liquid Other liquid Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Other liquid Other liquid DATESMPL 7/22/1997 7/22/1997 7/22/1997 7/22/1997 7/22/1997 7/21/1997 7/22/1997 7/22/1997 7/22/1997 5/19/1998 5/26/1998 5/26/1998 6/16/1998 5/26/1998 5/26/1998 6/16/1998 5/26/1998 5/19/1998 7/14/1998 5/19/1998 5/19/1998 12/29/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 7/21/1999 12/29/1999 12/29/1999 12/29/1999 12/29/1999 10/3/2000 7/19/2000 7/19/2000 7/20/2000 7/20/2000 7/20/2000 7/20/2000 7/20/2000 7/20/2000 10/3/2000 10/3/2000 SMPLT FS FS FS FS FS FS FS FS TB FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS SAMPLEJMUMBER WWK-DRLEACHATE WWK-DRMW-12 WWK-DRMW-12A WWK-DRMW-13 WWK-DRMW-13A WWK-DRMW-14 WWK-DRMW-6 WWK-DRMW-6A WWK-TRIP BLANK LEACHATE WWK-DRMW-12 WWK-DRMW-12A WWK-DRMW-12B WWK-DRMW-13 WWK-DRMW-13A WWK-DRMW-14 WWK-DRMW-6A 001 OUTLET PROPERTY LINE STREAM I STREAM II WWK-LEACHATE WWK-G-DR-MW-12 WWK-G-DR-MW-12A WWK-G-DR-MW-12B WWK-G-DR-MW-13 WWK-G-DR-MW-13A WWK-G-DR-MW-14 WWK-G-DR-MW-15 WWK-G-DR-MW-6A WWK-001_OUTLET WWK-PROPERTY_BOUNDARY WWK-STREAM_#1 WWK-STREAM_#2 DRL-Z-LEACHATE-UPPER_POND_INLE DRL-G-MW-12 DRL-G-MW-12A DRL-G-MW-12B DRL-G-MW-13 DRL-G-MW-13A DRL-G-MW-14 DRL-G-MW-15 DRL-G-MW-6A DRL-Z-001_OUTLET DRL-Z-PROPERTY BOUNDARY TOP C8 results Envista 111104-xls Page-l ^^a^^^^^TOSffi%^KSi^^ffi^a^K?

Copies to: I.

\ J - Copl;es to AR226-2857 Material Tested ------3 HaskelI HASKELL [ E.

AR226-3039 Study Title Approximate Lethal Dose (ALD) of H-21460 in Rats Laboratory Project ID HaskeH Laboratory Report No. 176-96 Author Tracy A.

IFM Recherche S ^ C Au" r^PIFAL DE 5 :;50 OCO AR226-3144 CONFIDENTIAL SPONSOR ElfAtochemSA.

TRADE SECRET Study Title H-24018: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2927 AR226-3157 DuPont-2927 AUTHOR: Carol Finlay, B.A.

AR226-3186 TRADE SECRET Study Title H-24616: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 3 of 5 Laboratory Project ID: DuPont-4739 DuPont-4739 TEST GUIDELINES: U.S.

MR rae - 3220 402 | | | --- --_ ARaz - 3220 Duwreonsw0 TRADE SECRET Study Tite H-24768: Subchronic Toxicity 90-Day Gavage Study in Rats `with One-Generation Reproduction Evaluations Volume 2f 5 Laboratory Project ID: DuPont-5990 "TEST GUIDELINES: U.S.

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/0 Submitted to: BIOSEARCH, INC.