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Report EO1-1245 PFOS: A Reproduction Study with the Nothem Bobwhite Study Title A nalytical Phase Re po r t for PFO S: A R e pr o d u c tio n St u d y w ith T he N o r th e r n Bo b w h ite Data Requirement FI FRA Subdivision E, Section 71-4 O E C D Guideline 206 Author Lisa A.

A222&- Reduction of Perfluorooctanoic Acid (PFOA), Precursors, and Related Impurity Levels in Fluorotelomer Intermediates and Finished Products Presentation given to US EPA contained 48 total charts.

AR226-2277 Robert I Wevodau 05/21/2002 09:36 AM To: George L Clowes_Jr/CL/DuPont@DuPont, Ravinder Singh/CL/DuPont@DuPont, Michael T Evans/AE,'DuPont@DuPont, Michael G McClusky/AE/DuPont@DuPont, Cynthia E Read/AE/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont cc: Stephen J Gissy/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPont@DuPont Subject: C8 Modeling W e are anticipating th at TERA will soon release an annual exposure level for C8.

AR226-2288 C h ris E Shoop 09/04/2002 12:49 PM___________________________ j___ To: Mohammad Rezaei/SE/DuPont@DuPont cc: Ta-Wei Fu/SE/DuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont Subject FE P Stack Locations Mo, P e r our conversation, here's the sheet we assem bled for the m odeling o f C -8 em issions.

AR226-2518 I OHIO RIVER WATER SAMPLING RESULTS DUPONT WASHINGTON WORKS FACILITY AND THE LETART LANDFILL Date: November 2002 Project No,: D6WW7423 18983635,14000 18983632,00021 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 ' SB019657 E ID 630089 DRAFT Ohio River Water Sampling Results Table of Contents TABLE OF CONTENTS 1.0 Introduction............ ................................................................................ 2.0 C-S Analyses and Analytical R eporting........................................... ..... 3.0 Ohio River Water C-8 Results Near The Washington Works Facility 4.0 Ohio River Water C-8 Results Near the Letart Landfill...................... 5.0 Ohio River Parameters.................................................................. ......... 6.0 References................................................................................................

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

AR226-3144 CONFIDENTIAL SPONSOR Elf Atochem S.A.

AR226-3178 HaskaenlldLInabdoursatrtioarlyMfoerdTicoinxeicology June 11, 2001 TO: ilot Developmental Toxicity Study in Rats cc: L.

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3M Corporate Toxicolog\ and Regulator^ Services CERT1FIED MAII June 20, 2006 3M Center.