BACK TO MAIN SOLUBILITY IN PURE WATER, METHA NOL, AND ACETONE - SHAKE FLASK AND COLUMN ELUTION METHODS TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol, N-EtFOSE OH, or FM-3422. (1-Octanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Material is a white, waxy solid.

LPhone: (814)231-8032 BACK TO MAIN Fax:(814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterization of Surface Water and Sediment Samples Port St.

BACK TO MAIN Sulfonated Perfluorochemicals: Maps of Environmental Sampling Sites for Six Cities in Multi-City Study for 3M Specialty Materials prepared by Battelle Memorial Institute 505 King Ave.

3MCompany Page Iof 63 .

3M Specialty Materials 3M Center St.

AR226-1971 PERSOMM.

AR226-2278 Robert F Pinchot 04/23/2002 03:03 PM To: cc: Subject: M.

File;c8 Emission Point 662 647 699 652 658 231 232 216 242 274 R022EEF6 R022EEF8 R022EEF7 R022EEF9 Emission Rate (a/sl 0 2.06E-01 0 4.00E-03 2.00E-03 3.2BE-02 3.32E-Q2 0 1.05E.02 3.03E.02 1.73E-04 4.31 E-05 4.31 E-05 8.63E-08 Stack Height (ml 45.7 18 19.2 21.3 20.7 21.7 20.3 18.3 21.3 33.5 14.3 14.9 14.9 14.9 Temp (K) 350.9 317 317 366.5 422 327,6 327.6 343.2 366.5 397 299.8 299,8 299.8 299.8 Velocity (mis} 12.3 51.8 6.46 16.5 6.8 4.6 0.9 10.5 18 13.6 9.1 12.2 3 6.1 Diameter (ml 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.21 0.762 0.61 0.61 0.61 Flle.'

AR226-2646 00 01 05/09'02 13:51 ' .< .

AR226-2655 -& 01 AR226-2655 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 the form R13 permits (815E, 1353B, 1953B, and 2365C) comply with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

AR226-2667 57 AR226-2667 Particle Size Measurement at Washington Works Draft Test Plan March 2004 Table of Contents I.

EPL EXPERIMENTAL PATHOLOGY LABORATORIES, INC.

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AR226-3034 S&SKSEA LABORATORY VOS TOSZCOLOS?

AR226-3066 TRADE SECRET Study Title LISP Biocompatibility Testing of H-22239 (Control Item) and H-22240 (Test Item) Contracting Laboratory North American Science Associates, Inc. 2261 Tracy Road Northwood, Ohio 43619-1397 for Haskell E. 1. du Pont de Nemours and Company Laboratory for Toxicology and Industrial Medicine Elkton Road, P.O.