Attachment 2 Analytical Report Air Sampling Fluorochemical Report DuPont Washington Works - Air Sampling Program Round 7 Exygen Research Report No.

Proven Results.

PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

SRJPTT-6295.8, T-6316,4, T-6868.2, T-7071.1, T-7132.1 0T15-B 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY T-6295), N-ethyl perfluorooctanesulfonamido ethanol (N-EtFOSE, T-6316), N-Ethyl perfluorooctanesuifonamide (N -ItFO SA , T-6868), Perflu orooctan esu Ifonamido acetate (FOSAA, T-7071), and/or Perfluorooctanesulfonam ide (FOSA , T-7132) o f in Rats and Guinea Pigs following O ral dosing.

ARi%-o%7 WATER SOLUBILITY TEST SUBSTANCE f n /* " L&Mw Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, or FM-3925. (1Octanesulfonamide, N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is an off-white, waxy solid.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

'wf 3M Specialty Materials FYI-00-001378 3M Center St.

3M General Offices AR226-1895 3M Center St.

AR226-2160 C hris E S hoop 07/12/2001 01:17 P M _____________ __ ___________________ To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@ DuPont, Debbie J Wlulrdoney/AE/DuPont@DuPont David M Rurak/AE/DuPont@DuPont, H David Ramsey/SE/DuPont@DuPont, Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, John J Mentink/CL/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, John R Bowman/AE7DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@ DuPont, Maurice Astorga/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont Re: Air dispersion modeling strategy 0 Rob / Debbie, Here's a table of the data requested.

AR226-2162 H David Ramsey ' 07/16/2001 11:02 AM To: Dawn D Jackson/CL/DuPont@DuPont, George A Ainsley/SE/DuPont@DuPont cc: Subject: FW: Call From Jesse Flanshaw Three key notes - there are some of us who prefer the State and 1both conduct modeling so it is more independent -------------------------------Forwarded by H David Ramsey/SE/DuPont on 07/16/2001 11:01 AM John J Mentink 07/10/2001 08:30:49 AM To: H David Ramsey/AE/DuPont@DuPont cc: Subject: FW: Call From Jesse Hanshaw This is the note originally issued by Chris Shoop.

AR226-2181 C hris E S h o op 08/22/2001 12:42 PM ............ ...........................

AR226-2186 EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20, 2001 EID293775 TABLE OF CONTENTS Executive Summary 1.

AR226-2201 Si f3?

AR226-2247 From: Bernard J R eilly on 01/15/2002 04:37 PM * To: David M Rurak/AE/DuPont@ DuPont, George H Senkler_Jr/AE/DuPont@ DuPont, Paul J Bossert/AE/DuPont@ DuPont, Martha L Rees/AE/DuPont@ DuPont@ DuPont, Isidoros J Zahikos/AE/DuPont@ DuPont, Robert W Rickard/AE/DuPont@ DuPont, Janet H W aters/CL/DuPont@ DuPont, R C lifton W ebb/AE/DuPont@ DuPont cc- Gerald L Kennedy/AE/DuPont@ DuPont, John R Bowman/AE/DuPont@ DuPont, M.