BIODEGRADATION (OECD 301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95,oras a component ofFC-203A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-206A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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20) OECD 106-OPPTS 835.1220, Adsorption / Desorption, 023-048 21) OPPTS 835.1110, Activated sludge sorption isotherm (incorporated with OECD 106) FINAL REPORT STUDY TITLE DEC 0 9 2003 ADSOFPl?

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Medical Department 3M Center, 220-6W-08 St.

AR 226-0096 EEF CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TESTSUBSTANCE Identity: PFeCr-f9l5u.oro(o1c-tOacnteasnuelsiuolnfaotnei;cmaaciyd,al1s,o1,b2e,2r.e3f,e3r,r4e,d4.t5o,5a,s6,P6,F7O.7S.8o.r8.8heptadecafluoro-, potassium salt, CAS# 2795-35-3) Remarks field: taken from 3M lot nuTmhbeerte2s1t7.subSsatmapnlcee is a white powder. was stored under Sample ambient was conditions prior HMR, "F-NMR atondtesetlinegm.enPtuarlitayndaeltyesremsitneecdhntioqubees.90.49% by LC/MS, 'H- METHOD TMyeptheo:d:FlOowE-CthDro2u1g0h, OPPTS chronic 850.1400 GLP: Yes SYpeeacriecso:mpPlietmeedp:halSetsudpyrcoommepllaested 1999.

AR226-010 | PFOS: `A FLOW -THROUGH LIFE-CYCLE TOXICITY TEST WITH "THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT `WILDLIFE INTERNATIONAL, LTD.

3M ENVIRONMENTAL LABORATORY AR 226-0190 OES -- METHOD DETERMINATION OF PERFLUOROOCTANE SULFONATE (PFOS), PERFLUOROOCTANE 'SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN WATER BY LIQUIDSOLID EXTRACTION AND HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY/TANDEM MASS SPECTROMETRY (HPLC/MS/MS) Method Number: ETS-8-154.0 `Adoption Date: Author: Kristen J.

AR226-0191 OES `Compound-Specific, Quantitative Characterizationof Organic Fluorochemicals in Biological Matrices Kcisen) Hae;LisA.Clemens; Mark .

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