MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaytea;lso be referredtoas PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

BIODEGRADATION (METHYLENE BLUE ACTIVE SUBSTANCE) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acetmaatye;alsobe referredtoas PFOSAA, FC-128 oras the major component of FC-1 27, FC-129, FC-1 09, FC-1 09-X or Rl 904.

PHYSICAUCHEMICAL PROPERTIES TEST SUBSTANCE Identity:[2-(N-Ethylperfluoroocetsaunlfonamido) ethylacrylate;may also be referredtoas B1228, D-1, ETFOSEA, or FX-13.(2-Propenoicacid,2[ethy[lheptadecafluorooctyl)slufonyl]amnio]ethylester,CAS # 423-825) Remarks:Materiiaslan ambersolid.

C 0 V AV -C@-E.@ THE DEVELOPMENT SERVICES CO#APANY Sponsors: APME Ad-Hoc APFO ToxicologyWorking Group PROTOCOL Study Mde: 26-Week CapsuleToxicityStudywithAmmonium Perfluorooctanoa(tAePFO) inCynomolgus Monkeys Date: September 23, 1998 PerforniingLaboratory: Covance LaboratoriesInc. 3301 Kinsman Boulevard Madison,Wisconsin 53704-2595 Laboratory Study Identification: ProposalNo. w6806a Covance 6329-231 Covance 6329-231 Page 2 Study 26-Week Capsule ToxicityStudy with Ammonium Cynomolgus Monkeys Perfluorooctanoate(APFO) in Purpose To assessthe effectof the testmaterialon criticaelnzyme levels,hormones, and other selectedbiochemical parameterswhen administereddailyby capsuleto cynomolgus monkeys for atleast26 weeks Sponsors APME Ad-Hoc APFO Toxicology Working Group Study Monitor Paul Lieder,PhD, DABT 3M Toxicology Services Building 220-2E-02,3M Center St.Paul, Minnesota, 55144-1000 Telephone No.: 612.737.2678 FacsimileNo.: 612.733.1773 AlternateStudy Monitor John Butenhoff,PhD, DABT 3M Telephone No.: 612.733.1962 FacsimileNo.: 612.733.1733 Sponsor's Representative David Farrar,PhD ICI Chemicals & Polymers Limited Occupational Health The Heath, Runcom, PO Box 13 Cheshire,WA7 4QF Telephone No.: 01928.513953 FacsimileNo.: 01928.515146 Study Location Covance LaboratoriesInc. 3301 Kinsman Boulevard Madison, Wisconsin 53704 Covance 6329-231 Page 3 Mailing Address: PO Box 7545-2595 Madison, Wisconsin 53707-7545 Study Director Peter J.Thomford, PhD Covance LaboratoriesInc.

IN VITRO MICROBIOIDGICAL MUTAGENICITY OF 3t4 COMPANY'S COMPOUND T-3651 ASSAYS Final Report February 1985 V it I By: b&Ak:&@ Kathleen Okamoto, Microbiologist Microbial Genetics Department and ave@,6@, &C:t@7 Edward S.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredto as PFOS, FC-95,or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniacid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component ofFC-206 or L3243. (1-Octanesulfonaicid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component of FC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).

-4 HAZLOTON L"BDPffDRIES ANFERICA INC Chemica&l BioMedicaSlcienceDsivision @'N@iol orK.I-NSsMoAN BLVD. - P.O.BOX 7545 * MADISON, WISCONSIN 63707 PHONE (6082)41-4471* TLX 703956HAZRAL MDS UD FINAL REPORT ROGER PERKINS MINNESOTA MINING & TOXICOLOGY ST.

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3M Company EPI-0027 Page 1 of 20 Final Report Epidemiology, 220-6W-08 Medical Department 3M Company St.