AR226-2813 Study Title Ammonium Perfluorooctanoate: Age Effect on the Plasma Concentration in Post-Weaning Rats Following Oral Gavage Author: Xing Han, Ph.D.

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AR226-2985 a* CCR Cytotest Cell Research GmbH & Co.

r -- ------------------------------------- ---- ------- -- -- -------------------------------404 TRADE SECRET Study Title H-24768: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 4 of 5 Laboratory Project ID: DuPont-5990 DuPont-5990 Test Guidelines: U.S.

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# DuPont Telomer Research Progress AR226-3326 # Clflpariy Sanitized.

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AR226-3344 ) Biotransformation of the Fluorotelomer 8-2 Telomer B Alcohol Ning Wang, Patrick Folsom, Bogdan Szostek, Vladimir Capka, Barbara Larsen, William Berti, John Gannon, Robert Buck The mirades o f science 1 8-2 Telomer B Alcohol: C8F17CH2CH2OH (8-2 TBA; CAS# 678-39-7) A key raw material used in the manufacture of sales products May be a transformation product of fluorotelomerbased sales products Is it biodegradable?

AR226-3350 Biotransformation of the 14C-labeled Fluorotelomer 8-2 Telomer B Alcohol* Wang N.1.

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3RMeguCloartoproyraSteervTiocxeiscology and 3M Center, Building 0220-06-E-03 St.

36a 2 ADDENDUM NUMBER 1 TO THE SECOND SEMIANNUAL PROGRESS REPORT FLUOROCHEMICAL (FC) SITE RELATED ENVIRONMENTAL ASSESSMENT PROGRAM 3M COTTAGE GROVE, MN FACILITY March 2006 Prepared for 3M Company fiy WESTON SOLUTIONS, INC.

Katherine E.