AR226-1744 Extraction of Potassium Perfluorooctanesulfonate from Red Blood Cells and Serum for Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements Sean Gallagher ANALYTICAL REPORT DATE June 2, 2003 PERFORMING LABORATORY / TESTING FACILITY 30E3x8ygReesneRaerscehaDrrcihve State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Environmental Technology and Safety Services Building 2-3E-09 PO Box 33331 St.

BACK TO MAIN .; ; . . 1. ,.., .i. . .sa-, > ' : i May 1,2001 CERTIFIED MAIL Document I?

Study Title ORAL (GAVAGE) TWO-GENERATION (ONE LITI'ER PER GENERATION) REPRODUCTION STUDY OF AMMONIUM PERFLUOROOCTANOATE (APFO) IN RATS SPONSOR'S STUDY NUMBER: T-6889.6 Data Requirement U.S.

February 11,2005 Dr.

, NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KEKTUCKY41011-1704 WE3314830 smai-283a FAX: 513-3Il1-8513 DAYTON, OHIO OFFICE SUITE 900 HO NORTH MAIN STREET DAYTON, OHIO 46402-1786 937~ZM-2B38 FAX: 037.22mm TAFT, STETTINIUS & HOLLISTER LLP 425 WALNUT STREET, SUITE 1800 CINCINNATI, OHIO 45202-3957 613-381-2838 FAX: 513-381-0206 www.taftlaw.com CLEVELAND, OHIO OFFICE 3600 BP TOWER 200 PUeLlC SQUARE CLEVELAND, OHIO 44114.2302 2l6-241-2836 FAX: 216-241-3707 COLUMBUS, OHIO OFFICE 21 EAST STATE STREET COLUMBUS, OHIO 43215422i 614-22%PUI FAXM4.221-2007 ROBERT A.

-_-- oDwupree1s530:2 Study Tide Ammonium Perfluorooctanoate: Age Effect on the PFOA Plasma Concentration in Post-Weaning Rats Following Oral Gavage "TEST GUIDELINES: None applicable AUTHOR: Paul M.

AR226-1914 DuPont Global PFOA Strategy Comprehensive Source Reduction Presentation to EPA January 31, 2005 Company Sanitized Contains No TSCA CBI Purpose Present a comprehensive risk management approach for PFOA based on source reduction - DuPont commitment - Global impact - Voluntary actions - Work in progress for some elements - Open dialogue with EPA on this approach Page 2 January 31, 2005 Company Sanitized Contains No TSCA CBI Topics for Discussion Comments on overall approach to mitigation?

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WASHINGTON WORKS INDUSTRIAL HYGIENE YEARLY REPORT l-Oct-1990 to 30-Sep-1991 ABEAs FLUOROCARBONS - HOMOPOLYMERS AR226-2067 l-Mov-1991 Page 19 c-a/yc-143 070 c-a RECOVERY BLDG DATEt"3l-Jan-1991 NOTEBOOK; 53235,P049 DURATION* 450 CONCt <0.03 MPB SAMPLE TYPES P PERCENTAGE; 5X * EMPLOYEE #03097 PERS CODEt 08PI C-8/FC-143 070 C-8 RECOVERY BLDG DATEl 5-Feb-1991 NOTEBOOK!

AR226-2101 -'iiaWC^l.i.S^.;,- - -i ijT-r-n';' I- -i tri-"~;.Taf"'--iTtrt 17-r-"-""-""" ^^--'^^rni"''""!?'

AR226-2190 ^ Debbie J Mulrooney 08/27/2001 02:32 PM To: cc: Subject: Robert FPinchot/DEV/AE/DuPont@DuPont Revised Base Case Rob, Here are the results for the base case with the fine powder dispersion vent at 12,000 acfm Instead of 18,000.

AR226-2323 Irene A Legiec 04/03/2003 10:40 AM To: Ann K Masse/HO/DuPontQDuPont cc: Mark D Richmond/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont, Richard S Vickery/AE/DuPontQDuPont, Maria S Angelo/AE/DuPont@DuPont, Paul J Gorzsas/AE/DuPontQDuPont Subject Re: Dispersion modeling data Q Ann, We have a ballpark number for influerrt data.

AR226-2377 X-** HCT.

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GIST meeting notes August 12,2002 AR226-2592 Minutes from the GIST meeting August 12,2002 The meeting began at approximately 9:10 am. in the Division of Water Resources' conference room at 1201 Greenbrier St., Charleston, WY.