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JEFFERSON MEDICAL COLLEGE of TI-iO.

NITRIFICATION INHIBITION TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component ofFC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsalt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component ofFC-600. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorcoctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFC-600. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was Belgium 2367.

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. . , MLE /2// AR2a26. 3576 SMENVITOROMEENRTAOLLAHLBoOER0A8CT0OTR4Y2 3M Conan yey Analytical Report Cay Definitive Study: Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Number: E05-0442 Testing Laboratory 3M Enviro3nMmeEnntvailroHnemaelnthtaalnLdabSoarfaettoyryO.perations - -_ 3M Environmental Laboratory 8 uz Project Lead Mark E.

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6) OECD 471-OPPTS 870.5100, Bacterial reverse mutation test (Ames test), 0623-2140 SANITIZED DEC 0 9 2003 F"AL REPORT Primedica Redfield Test Article: Potassium Perfluorobutane Sulfonate SITEK Study NO. 0623-2140 July 12, 2001 7A. .SITEIC R E S E A R CLHABORATORIES 15235 Shady Grove Road, Suite 303, Rockville, Maryland 20850 301/9264900 FAY 301/926-8891 Study Title Evaluation of a Test Article in the Salmonella typhimurium/Escherichia coli Plate IncorporatiodPreincubation Mutation Assay in the Presence and Absence of Induced Rat Liver S-9 Test Article I.D.

DETERMINATION OF THE MELTING POINT/MELTING RANGE OF PFOS WILDLIFE INTERNATIONAL LTD.

PROTOCOL i DETERMINATION OF THE VAPOR PRESSURE OF PFOS "USING THE SPINNING ROTOR GAUGE METHOD (OECD GuidelVianpeofrorPrTeessstuirneg Curve ofChemicals, 104 H 3MLab Request No.

Experinent No.