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3M ENVIRONMENTAL LABORATORY METHOD ANALFYLSUIOSROOFCPHOETMAISCSAILUCMOPMEPROFULNUODRSOIONCUTRAINNEESEUXLTFROANCATTSE UOSRIONTGHER HPLC-ELECTROSPRAY/MASS SPECTROMETRY/MASS SPECTROMETRY Method Number: ETS-8.97.0 Adoption Date: F-2B-49 Author: Lisa Clemen, Robert Wynne, GlennLangenburg Approved By: 7 /3.

3M ENVIRONMENTAL LABORATORY ARLLG-c06Y BactCopy ofO Tw = 28 ooo = METHOD EH-2 A SPECTROMETRY (HPLC/MS/MS) DETERMINATION OF PERFLUOROOCTANE SULFONATE (PFOS), PERFLUOROOCTANE SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN WATER BY LIQUIDSOLID EXTRACTION AND HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY/TANDEM MASS Method Number: ETS-8-154.0 Adoption Date: 04/2/2000 Author: Kristen J.

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SOIL ADSORPTION TEST SUBSTANCE Identity: NN--eEtthyFlOpSeErfAllucoorhooolctoarneFMs-u3lf4o2n2a.mi(d1oe-tOhcatnaonle;sumlafoynaalmsiodeb,eNr-eeftehryrle-d to as 1.1,222,3,3.4.4,5,5,6,6,7.7,8,8 8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

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AR 226 1337 MR 267555 REPORT 96-HOUR FRESH WATER ALGAL GROWTH INHIBITION TEST WITH T-4127 SZ a3n3 a52 Z=38o8 ~ a NO'NTOOTXOSXubPrsotjaenctce331413356107 Page 0137+ = oid Tatzr STATEMENT OF GLP COMPLIANCE NOTOX Project 334351 NOTOX BV, `sHortogenbosch, The Nethariands Tihne suadsescrroibcead on ios roefport ha been coroct aported and was conducted in complance The OECD Principles of Good Laboratory Praics which ar essential in conormiy with: The Unie States Food and Drug Admiistaton.

AR &26 -- 1356 A Pharmacokinetic Study of Potassium Perfluorooctanesulfonate in the Cynomolgus Monkey `Southern Research Institute Study ID: 9921.6 April 22, 2003 : 000378 Final Report on A Pharmacokinetic Study of Potassium Perfluorooctanesulfonate in the Cynomolgus Monkey To: 3M Corporation P.O.3BMoxCe3n3te3r2,72245-5I1N3-30-43327 St.