STUDY TITLE Extraction of Potassium Perfluorooctanesulfonatefrom Egg Membrane, Albumen, and Yolk for Analysis Using HPLC-ElectrosprayMass Spectrometry DATA REOUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 /- PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

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AR226-3150 TRADE SECRET Study Tide H-23960: Local Lymph Node Assay (LLNA) Laboratory Project ID: DuPont-4199 AUTHOR: Gregory S.

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DuPont Fluorotelomer Supply Chain Update AR226-3329 Presented to 0 o I Supply Chain Team ^ (0 5 P- 3 December 2004 o 0 s5.' m $ o a Contains CBI - DuPont Confidential Surface Protection Solutions A Contains CBI DuPont Telomer-Based Product Manufacturing Processes PFOA is neither used nor added in the manufacture of D Telomer-Based Products - Research did reveal trace PFOA impurity levels as an un reaction by-product Launched wide-ranging product/process research & an w technology that will essentially eliminate trace levels of Example Reaction Profile and Resul DuPont Telomer-Based Product Manufacturing Processes wo ; a | !

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