BOILING POINT TEST SUBSTANCE Identity:N -Ethyplerfulorooetanesulfonamide;may alsobe referredto as U 1464, ETFOSA, ETPOSA, F-6309, or FX-12. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa white solidofuncharacterizedpurity.

BIODEGRADATION TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamidmea;y also be referredto as U1464, ETFOSA, ETPOSA, F-6309,or FX-12. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadec,afluoro-N-ethyClA-S, # 4151-50-2) Remarks: Materialisa white solid.Sample purityand lotnumber were not recorded.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

BIOSEARCH, INC. p.o.box 8598 philesdelphipae.nnsylvania19)01 t e Ie p k o n e 2 1 5 848-4499 Submitted to: Material: Sample Received: Date of Report: Test: Object of Test: Method of Test: 3M Company 3M Center St.

3M SpecWty Materials 3M Center St.Paul.MN 55144- 1000 651733 1100 May "30,2000 Dr.CharlesAuer Director Chemical ControlDivision officeofPollutioPnreventionand Toxics United StatesEnvironmentalProtectioAngency 401 M StreetS,outhwest Room 403 EastTower (MailCode 7405) Washington,D.C. 20460 Re: Informationof PerfluorooctanSeulfonates And RelatedCompounds - UEIP Forms Dear Charlie: 3M isenclosingthecompleted"Use and Exposure InformationProfileso"r "LTEIPS" for compounds relatedtoperfluorooctanseulfonatesA.s explainedinmy coverlettetro theMay 18th submittalto EPA, we neededadditionatlimeto clarifiyndustriahlygieneand otherrelease informationto ensurethatthedataintheproflleissaccurateand placedinappropriatecontext.

BIODEGRADATION (OECD 301 E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-603F. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFX-3103. (1Octanesulfonicacid)(CAS # 2795-39-3).

Acute ocular Irritation Test with T-2997CoC in Albino Rabbits Experiment No-: Conducted At: Dates Conducted: Conducted By: 0682EB0009 Safety Evaluation Laboratory Riker Laboratories, Inc.

Phone ConversatioFnteport 3M -A(-N: I:or@, 6916 6.0 COPIES TO Z 3(c Title @j rt_Fr).i;rirc7-,7tnh-2E-oz A.UbtlM-.D.

ANALYTICALREPORT Cc=ntrc=Analytical @*Nk ailL6a.boratoriFs, Inc. 3048ResearchDrive,StateCollegePA 16801- 814-231-8032 FAX 814-231-1253 AnalyticRaelsultWs2336 Columbus,GA 3M Sample Identification Sample Description PFOS (ng[L) MC-501 H MC-503H MC-506H NA MC-507H NA MC-508H MC-584H NA Site1 P/N SurfaceWater 63.8 SiteI P/N SurfaceWater Duplicate 59.9 Site2 P/N SurfaceWater 76.6 Site2 PIN SurfaceWater Duplicate 83.3 Site3 P/N SurfaceWater 55.4 Site3 P/N SurfaceWater Duplicate 55.4 FieldBlank-P/N Empty < 25 QuietSurfaceWater < 25 Quiet SurfaceWater Duplicate < 25 i - Compound ispresent,but below thereportinglimiotf 25 ng/L.

#601 --_ ~ @ ~ AR226- 3429 33 000272 | ARAR6 = 3429 D> EXPOSURE ASSESSMENT PROTOCOL Work RequestNo.: Service Code No.: Performing Institution: Study Title: 15076 1361 Haskell Laboratory for Health and Environmental Sciences OEcxtpaonsouirceAAcsisdeAsnsimoenntinotfhMeeMaasnuurfeadctSuerreuomf APemrmflounoiriunmated Perfluorooctanoate (APFO) at Fayetteville, NC | | |Ji 3), | 2) || | | | || Study Director: Coinvestigators: SJeonsieoprhIFn.duVsitsrkioaolilH,ygJir.enCiIsHt H1a0s9k0elEllkLtaobnorRaotaodry for Health and Environmental Sciences Newark, DE 191714 S Hh-- e-- ------ Robin C.

UNITED ADVANCE ENGLISH COP Y NATIONS P.

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