x3 gi V * * ,'\n (u, vsXx c* f4\4S5 > 'Q %a <nl .; ^ (x VV\ij ^ i r.

* ^ Z Z - / C 23> C-8 IN OFF-PLANT WATER SYSTEMS NONE DETECTED IN UPSTREAM PUBLIC WATER SYSTEM, NONE DETECTED IN WASHINGTON WORKS' DRINKING WATER.

Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices A-D] 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats Page 1 of 56 Appendix A: Test Sample Re-analysis [performed by 3 M ] Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendices A-D] 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats Page 2 of 56 Appendix A1 : 1st Test Sample Re-analysis Internal Correspondence TO: FROM: REGARDING: John Butenhoff November 14, 2000 Fred L.

AR226-2424 LETART LANDFIL-- groundwater MONITORING SUMMARY Of FC~143* ANALYTICAL RESULTS Sample location Upper Pond Lower Pond Upper Pond Lower Pond ` Well 1 Well 2A Well 3 Well ?

AR226-2474 To: Ton RoelenyEUR/DuPont@>DuPont, David M Rurak/AE/DuPont@DuPont, Katsunosuke Kitagaw a/PO /D uPont@ D uPont cc: Frenk Hulsebosch/EUR/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Roger J ZipfeI/AE/DuPont@DuPont, Toni S Hess/HO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Patrick E Lindner/AE/DuPont@DuPont, Michael E McCord/AE/DuPont@DuPont Subject: TEST M ATRIX FOR C-8 FROM DIFFERENT SOURCES Ton, Dave and Kitagawa-san, Attached is a chart summarizing the tests performed (or successfully used) for C-8 from various sources.

AR226-2570 [Andrew S Hartten To: Mary A Kaiser/AE/DuPont@DuPont cc: John R Bowman/AE/DuPont@DuPont Subject: Sampling Program Mary, l6/0T/20di'Q5T02 PM t I'm a little concerned about the decision to contract Battellle to provide sampling services related to the Consent Order.

RECYCLED "I AR226-2630 00 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) 1 Output l 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 M odeling Inputs Stack Param eters PTFE S t a c k H eight (m) 20.95 S ta c k Diam.

Mm g. 690 TRADE SECRET Study Title EVALUATION OF THE BIODEGRADABILITY OF USING THE CLOSED BO?

RECYCLED CD AR226-2687 AR226-2687 DuPont EMSE Report No. 18-02 Final Report Study Title Activated Sludge Respiration Inhibition Test of Telomer B 8-2 Alcohol (OECD 209) n.

AR226-2693 15 AR226-2693 DuPont EMSE Report No. 92-02 Study Title Aqueous Stability of 8-2 Telomer B Alcohol as a Function of pH Test Guideline OECD (1981).

* Cop|]es to Has., , HA5KELL LABORATORY REPORT NO. 430-77 MR NO, --- " --- Material Tested 0 Sample Ready For Test In 3-7-77 Material Submitted Textile Fibers Department, Seaford ~ ^ SK.H IRRITATION AND SENSITIZATION Tr.T. ----- - p|GS Procedure: The test for or Ima rv .I tr-r- !

_Mater 1a I Testen E 1 du Pont de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT NO. 737-7/ Sample Ready Other Codes AR226-2862 Material Submitleci By B IMARV s k i n IRRITATION ANQ s e n s i t i z a t i o n t e s t s o m g u i n e a pip,*-.

\ o \ 00 " sn y itt TRADE SECRET Study Title H-24743: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID : DuPont-1155 8 DuPont-11558 Author: Carol Finlay, B.A.

rcoo 000218 HToaxsikceollloLgaybaonrdatIonrdyufsotrrial Medicine 1090 Elfctan Road Newark,DE 19714 Date: To: Cc: Subject: Septem ber 23,1999 Barbara Dawson C-8 Surveillance From: Robin C.Leonard Epidemiology Prog I have iooked at the results o f the first sam ple of measurements from the C -8 surveillance project at Cham bers W orks, A s would be expected for base-line sam ples, there is very little analysis that can be done at this point It is possible, however, to note a few things about the distributions of the measurements.

ar Irg - jifrr 00469 INTEROFFICE MEMORANDUM Date: From: Dept: Tel No: 17-Jun-1997 02:30pm EOT ANTHONY J.