AR226-2256 Chris E Shoop 02/1 B/2002 12:30 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPorrt@DuPont Robert I Wevodau/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Re: Case 10 Questions Q Debbie, The production rates in Case 10 were from forecasts for about 2007.

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AR226-3360 ATMOSPHERIC LIFETIMES AND DEGRAD MECHANISMS OF FLUOROTELOMER ALCOHOLS C^F^C^CR^Ofi Valerie Bossoutrot*, Tanya Kelly^ Isabelle Magneron*, Wahid Howard Sidebottom#, Klaus Wirtz and Georges Le Br * Laboratoire de Combustion et Systemes Reactifs, CNRS Orle # Chemistry Department, University College, Dublin (IRL Centro de Estudios Ambientales del Mediterraneo, Valencia SETAC Prague 18-22 April 2004 .ontext: 1 A .i -^Sis^ Long chain perfluorinated carboxylic acids (PFCAs, Cj^C(0)OH observed in fish and mammals PFCAs : not generally used directly in consumer or industrial materials - presumably degradation products of precursor chemicals : potentially FTOHs Fluorotelomer alcohols (FTOHs, C^F^CH^CH^OH): -Uses: intermediates in manufacture of diverse products - Production: 5x106 kg yr1 (80% polymeric applications) (20% non polymeric ) - Observed in the atmosphere (up to 135 pg m"3) - Atmospheric sources : degradation o^ polymer and non polymeric that incorporate FTOHs (?)

ARAa 6 p 136a 8 Federal Register/ Vol . 71, No . 19/Monday, January 30, 2006/Notices 4913 SUMMARY : The EPA Science Advisory several Federal Register notices 69 FR ENVIRONMENTAL PROTECTIO N Board (SAB) Staff Office announces a 16249-16250 (March 29 2004) ; 70 FR AGENCY public teleconference meeting of the 2157-2158 (January 12, 2005) ; 70 FR chartered SAB to discuss a draft SAB 32771-32772 (June 6, 2005) .

p. 1 ~_ -- ~Ra~6 _ .~68 3 INTERIM REPORT # 23 - Atahmls of Sediment Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Pcc fluorobexaaesulfonate (PFHS), and Perfluoroocianesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using.

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ABD00019217 * RJ Lee Group The Materials Characterization Specialists Invoice Number DC 39353 350 Hochberg Road Monroeville, PA 15146 (724) 325-1776 Fax (724) 733-1799 Bill to* Georgia Gulf Chemicals & Vinyls, LLC P O Box 91 Aberdeen, Mississippi 39730 Attention Accounts Payable Telephone 662-369-3604 10503 Battleview Parkway Manassas, VA 20109 (703) 368-7880 Fax (703) 368-7761 Ship to* Georgia Gulf Chemicals & Vinyls, LLC P.

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Marshall reports on criticisms directed against die pediatric lead studies of Needleman ef al. by consultants to EPA.

-hl 4' NOTE TO FILE - OPPTS 50639 DATE: October 23, 2000 FROM: Karen Lannon SUBJECT: Revised PFOS Hazard Assessment _M sia.6 03if& Attached is a revised PFOS Hazard Assessment Minor changes from the text in the original version (August 31, 2000) are found on pages 6, 7, and 26, and concern the corrected 1974 reference to Biesemeier and Harris.

GAO Review of DOD Drinking Water Contaminants (100947) Follow-up Questions on AFFF Products In our prior conversations with Navy officials, we have been told that DOD's AFFF MILSPEC calls for AFFF products to contain PFCs.