AR226-1373 Chemical:.

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AR226-1486 ENVIRONMENTAL AND HEALTH ASSESSMENT OF PERFLUOROOCTANE SULFONIC ACID AND ITS SALTS August 20, 2003 Prepared by 3M in consultation with Jack Moore, D.V.M., DABT, Hollyhouse, Inc.

3M Specialty Materials 3M Center St.

3M Medical Department Study: T-6295.22 Analytical Report: FACT-TOX-160 LIMS E00-1668 3M Medical Department Study: T-6295.22 Analytical Report: FACTTO X-160 M S E00-1668 Study Title Extended Recovery Study Following a 26-Week Capsule Toxicity Study (FACT-TOX-030) with Perfluorooctane Sulfonate Acid Potassium Salt (PFOS; T-6295.22) in Cynomolgus Monkeys Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS in Serum and Liver Samples of Cynomolgus Monkeys Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date May 3, 2002 Performing Laboratories Sera and Liver Analyses Sera and Liver Extractions 3M Environmental Laboratory Building 2-3E -09,935 Bush Avenue St.

3M Specially Materials 3M Center St.

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i4l.-2fc-03T5 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identify: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #30735-7).