AR226-2613 AR226-2613 C:\Documents and Settings\BARTONC\Desktop\c8\chambers DISPERSION MODELING PROTOCOL Plant-wide C8 Emissions DuPont Chambers Works Facility Deepwater, New Jersey Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 April 9,2003 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations of maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. 1.

AR226-2760 FOR DU PONT USE ONLY E. 1. du jgjCjoxi.cologv8and^Induatria1 Medicine (see page * for composition) "bmittdby PomerTroducts Wanlngton Works 'u a Date rs of rHisr Completion: ^ lrUTMTTM ^ TRODUCTIOM to decermine ^ h e r the teat sample caJ** ss-s sss-issa'-Sa S e e s^iiir^nnot produce ^^ ^essential amino acid.

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H IM -. 3X20 462 DR.U.NOACK-LABORATORIUM FR ANGEWANDTE BIOLOGIE 3&20 Terrestrial Plants Toxicity, Seedling Emergence according to OECD Guideline 208 (Draft July 2000) 9 Sponsor Asahi Glass" Clariant Daikin Industries Ltd Dupont Author Silke Fiebig Test Facility Dr .U .N o ack-Laboratoriu m FOR ANGEWANDTE BIOLOGIE Kthe-Paulus-Str. 1 D-31157 Sarstedt Laboratory Project ID P ro ject-N o |M H H M Study-No.

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A R A M - 34-^0 o 44 000399 .WASHINGTON WORKS TEFLON DIVISION 4RJ& - W f September 28, 1982 TO: R.

SEVERN TRENT STL STL Chicago 2417 Bond Street University Park, IL 60466 Tel; 708 534 5200 Fax; 708 534 5211 www.stl-inc.com S iqria L /v Name: Richard Ch WrighL T it.T.e ; P ro je c t Manage r E-Mail : r w r i g h t @ s t 1 - i n c .corn This Report Contains Leaders in Environmental Testing Da Le STL Chicago 2417 Bond Street University Park, IL 60466 PHONE: (70S) 534-5200 FAX. ,, : (708) 534-521:1 Pages Severn Trent Laboratories, Inc.

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$X )ltrO % t Analytical Laboratory RepSotrutdoyn PTritelseence and Concentration of Potassium Perfluorooctanesulfonate in Serum and Liver of Sprague-Dawley Rats Exposed to PFOS via Gavage REPORT AMENDMENT NO. 1 Am1e9nAdpmrieln2t00D0ate: Performing Laboratory 3M Environmental Technology & Safety Services 3M Environmental Laboratory 935 Bush Avenue St.

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^ 4 2 2 - V / 7 6 CANCER PREVALENCE IN SUBJECTS EXPOSED TO PERFLUOROOCTANONIC ACID (PFOA) James Dahlgren MD1, Ayman B Ibrahim M DU' \Raphael Warshaw2, Harpreet Takhar MPH3 1.

AR226-2094 \ ....... ............... . * Test Results Industrial Hygiene Sample Date Range 1/1/90 12*31/90 Concentration Range Action Level 100% ...i---- i mi iirruir ~~ ........ - ..........

AR226-2096 Test R esulti Sample Date Range Concentration Range Action Level Industrial Hygiene 1/1/96 1201/96 100% Sample Dt Sample ff Duration Type Employee Name BTO: OS TEFLON LOC: 113 P/S-SHIFT MECHANIC (58MD) 1/1006 22569 330 P 8/26/96 24210 360 P Pets Chemical S8MD 08/FC-143 58MD C-8/FC-143 Cons Unit Percent 0.019 MPB 0.08 MPB 04% 5.4% BTO: 08 TEFLON t o c ; 70S P/S - FINE POWDER PACKOUT (08PJ) 3/1106 23060 360 P 12/996 24677 420 P 08PJ 08/F 0143 06PJ 08/FC-143 0.07 MPB 0.026 MPB 125% 4.6% BTO: 06 TEFLON LOC: 731 A/S - INSIDE FJ>.

AR226-2384 PERSONAL & CONFIDENTIAL 6/13/84 TO: H.