AR226-2253 Debbie J Mulrooney 01/30/2002 06:13 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Subject: Re: Watershed Deposition Results Rob, The areas are: Little Hocking - 2.57 km2 Lake Washington - 2.8 km2 Robert F Pinchot 01/30/2002 10:38 AM Robert F Pinchot 01/30/2002 10:38 A M _______________ __________ .-- -- To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Subject: Re: Watershed Deposition Results U Debbie, Thanks a bunch.

AR226-2267 Thomas V Robertson 03/28/2002 03:16 PM To: Catherine A Barton/AE/DuPont@ DuPont cc: Robert L Dunn/AE/DuPont@DuPont, Wayne C Walpole/ASDuPont DuPont, Timothy S Bingman/AE/DuPorrt DuPont, Kathy A Kowalski/AE/DuPont@DuPont Subject: Plastics Survey As w e discussed, to furth er your efforts in addressing C8 for the C ircleville Site, the attached memo contains a survey questionnaire com pleted by DuPont Spruance regards our Teflon* fiber production at Spruance.

Modelinq - CAB - 5/7/03 Source ID 1 2 Description Pre-scrubber exit for fne powder scrubber (called "AC Scrubber11on map) Post-scrubber exit for fins powder scrubber (celled "AC Scrubber" on map) Location D Plant O Plant 3 DBC Scrubber 4 MP-2 scrubber E Plant; copolymer plant for PFA and FEP MP-2 building: copolymer type micro- powder Height, m 8 15 18.2 16.1 Diameter, m Flowrate m3/hr Flowrate. m3/min Temp 0.68l" 2400 40 100 c 0.6 9600 160 40-50 C 0.6 1820 27 40 C 0.6 assumed 7500 125 40 C assumed Compound C8 C8 cs C0 Emission Emission Rate, kg/br Rate, g/s 0.24 0.0667 0.24 0.0667 0.07 0.0194 0.125 0.0347 --------- . ... ........ {1) Given in email of 4/17/03 from Hldetaka Hiromatsu: 600 sq mm square dame er.

AR226-2475 V -'T Ta-Wei Fu 07/20/2000 11:47 AM ?

AR226-2588 "Andrew > Martien l0//1B/UU2 4:1 HW To: stvs.williams@epa.etata,oh.us cc: Bernard J Reilly/AE/DuPont@DuPoM, Laura R Walter/AE/DuPont@DuPont, M.

AR226-2627 15 AR226-2627 RESULTS OF C8 SAHPLBS FROM Dgl jg3 -GROUND RATER SAMPLES ON THE SITE, OffT-Joag -ao/Ss Sample point C8 ia ppb 93 A B 96 A B C D 98 A B C 0.2 Remark; There is a project for ground 1.0 water treatment to reduce 0.7 several chemicals which are N.D. identified.

AR226-2631 19 AR226-2631 DuPont Modeling Methodology and Results Netherlands Site September 2004 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 1 Input I Stack height, diameter .

AR226-2811 DuPont-13788 Trade S ecret Review of Proliferative Lesions of the Exocrine Pancreas in Two Chronic Feeding Studies in Rats with Ammonium Perfluorooctanoate Authors Steven R.

AR226-2850 Copies to.

AR226-2858 PERSONAL AND CONFIDENTIAL Copies to : u . .. , WE * 1' du Pon+ de Nsmours and Company H askell Laboratory fo r T oxicology and In d u s tria l M edicine HASKELL LABORATORY REPORT NO. 448-77 MR NO M a te ria ls Tested* Haste11 No. 1) 11,225 2) 11,226 Samp I es Ready For Testing 5- 6-77 L Materials Submitted bv __T e x t!

AR226-3053 DuPont HLR 841 -96 i rv a l I v m p h Node Assay Screen with H21953 The Local Lymph Node Assay (LLNA).

Ar RAG_ 17 o 000204 C-O-N-F-I-D-E-N-T-I-A-L Location SUMMARY ORGANIC FLUORIDES IN BLOOD SAMPLES Job Group Number Sampled Range ppm Average ppm iashincton Works Wilmington Chambers Works Chambers Works - PFD Experimental Sta.

'W M -M i 9m . ?

A R S .H 6 - PERFLUOROOCTANE SULFONATE (PFOS) Dossier prepared in support for a nomination o f PFOS to the UN-ECE LRTAP Protocol and the Stockholm Convention The dossier is prepared by the Swedish Chemicals Inspectorate (KemI) and the Swedish EPA, Sweden August 2004 000288 Preliminary Risk Profile PFOS P-2 25 June 2004 000289 Preliminary Risk Profile PFOS p.3 Contents EXECUTIVE SUMMARY.......................................................................................................

P-1 AR R 9 .6 - 562*1.