MW . 0 6 ^0 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON D.C., 20460 January 6,1999 Dr.

3M General Offices 3M Center St.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 R o b e r t a .

3M ENVIRONMENTAL LABORATORY REPORT NO.

AR226-2055 EXD077151 EID077152

AR226-2397 Polymer Products Department cc: Research & Development Division Experimental Station CONFIDENTIAL M.

AR226-2410 INTEROFFICE MEMORANDUM Date: From: Dep t: Tel No : 23--Sep--1330 08:21am Peter D.

AR226-2486 David M Rurak 09/06/2002 01:11 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Subject: Environmental coordination -- Forw arded by David M R urak/AE/DuPont on 0 9/0 6/20 0 2 01:10 PM - f Uma Chowdhry ' 0 8 /28 /2 0 0 2 11:16 AM To: David M Rurak/AE/DuPont@DuPont cc: Subject: Environmental coordination I hear you are the env coordinator for the C8 issue.,!

f AR226-2522 AMMONIUM PERFLUOROOCTANOATE 1r' (C-8) r groundwater i investigation steering >" iIII TEAMREPORT L L' AUGUST 2 0 0 3 GW-2001-0191 Consent Order No

FOR DU PONT USE ONLY AR226-2763 S.

FOR DU POST USE ONLY AR226-2928 Approximate Lethal Concentration by Inhalation (ALC) of Haskell Laboratory Report No. 279-85 E.

M'v.

AR226-3015 Study Title Approximate Lethal Dose (ALD) of H-21095 in Rats Laboratory Project ID Haskell Laboratory Report No. 290-95 Author M.

AR226-3054 DuPont HtR-842-96 I 1vmph Node Assay Screen with H22051 The Local Lymph Node Assay (LLNA) screen with H 2 2 0 5 | B H | wf s conducted in female CBA/JHsd mice.

TRADE SECRET AR226-3081 DuPont HL-1997-00867 Study Title H-22762: Oral Approximate Lethal D ose (ALD) in Rats Laboratory Project ID: HL-1997-00867 Author: Tracy A.