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A fL A Z G ACUTE TOXICITY TO FISH (GOLDEN ORFE) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

Larry R.

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/VUA6 _ 134-6 Telomer Research Program V ^ Clariant Report Title: Purified 8-2 Alcohol: Salmonella - Escherichia co///M ammalian - M icrosome Reverse Mutation Assay with a Confirmatory Assay Author(s): Leon F.

36/ft R A S I 6 - 1 A Pharmacokinetic Study of Potassium Perfluorohexanesulfonate in the Cynomolgus Monkey Southern Research Institute Study ID: 9921.5 April 22,2003 001599 Final Report on A Pharmacokinetic Study of Potassium Perfluorohexanesulfonate in the Cynomolgus Monkey To: SPt..OPa.3uBMlo,3xMCMe3inn3Ctn3eo2err,s7po2ot2raa455t5-iI5o1N1n34-304-43-1302070 By: P.E.

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THE WEINBERG GROUP INC.

3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May, 2004 INDEX OF 3M'S 2002-2004 AR-226 DOCKET SUBMISSIONS BY DATE Back to Menu February 2004 Click on Study Title to View Report February 24, 2004 February 24, 2004 Submission Cover Letter Final Report, Pharmacokinetic Study of Perfluorooctanesulfonyl Fluoride (POSF) Following a Single Oral Gavage Dose in Rats.

3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May, 2004 INDEX OF 3M'S 2002-2004 AR-226 DOCKET SUBMISSIONS BY DATE Back to Menu May 2004 Click on Study Title to View Report May 11, 2004 May 11, 2004 Submission Cover Letter Page 1, 2, 3, 4, 5 Final Report, Descriptive Analysis of Serum Perfluorooctanoate (PFOA) and Perfluorooctanesulfonate (PFOS) Concentrations of Antwerp Employee Participants from the 2003 Fluorochemical Medical Surveillance Program, 3M Medical Department, August 14, 2003.

TOXICITY TO TERRESTRIAL PLANTS TEST SUBSTANCE Identity: P e rflu o ro o cta n e su lfo n a te ; m ay also be referred to as PFO S or FC-95. (1-O ctanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The te st su b sta n ce is a w h ite pow der.