y ]-& & & & _ 0 7 % t MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE___________________________________________ _ Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 2.6 _ 0779 EFFECT OF DEGRADATION ON FOAMING TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

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A R R ii 6 0 ^ 0 3 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE___________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC -3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

Attachments to Letter to C.

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S 85 pp COLUM BUS, OHIO OFFICE TWELFTH FLOOR 21 E A S T STATE S T R E E T CO LUM BUS, OHIO 43215-4221 614-221-2838 FAX: 614-221-2007 Roberta.

Tennant Farm Herd Health Investigation rj 1 -f Cattle Team Report i ?

A \ |1 % PRo^& UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 Certified Mail Return Receipt Requested ASSISTANT ADMINISTRATOR FOR ENFORCEMENT AND COMPLIANCE ASSURANCE Andrea Malinowski (D-8078-1) E.I. du Pont de Nemours and Co.

AR226-1382 firRZ.6^ ISA OUTLINE OF C-8 BLOOD SAMPLING PROGRAM The sampling program to determine levels of C-8 in employees' blood has several purposes.

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AR226-1520 Telom er Research Program RECEIVED OPPT NCIC Report Title: Study of the Atmospheric Fate of Fluorinated Alcohols 03 SEP 30 PM 13:30 Author(s): Georges LeBras, Valrie Bossoutrot, and Isabelle Magneron Contractor: Centre National de la Recherche Scientifique - Laboratoire de Combustion et Systemes Reactifs (CNRS - LCSR), Orlans, France Study Dates: November 2001 - March 2003 (final report July 2003) Study Objective The central aim of the study was to characterize the atmospheric fate of C8F17CH2CH2OH (2perfluoro-n-octyl ethanol; 2POE).