ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium saft;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateP,FO, FC116, FC-126, FC-169, FC-143 or as the major component ofFC1015.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component ofFC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95,oras a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredto as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfoniaccid)(CAS # 2795-39-3).

PRARMACOKINETIC STUDY OF POSF IN RATS - STUDY OUTLINE 06/22/00 T-7098.1 POSF PK Study Objective: The objectiveof thisstudy isto assessthepotentialfororal absorption,urinai@v and fecalclearanceand biologicaplersistencoefperfluorooctanseulfonylfluoride(POSF) in male Sprague Dawley ratsaftera singleoraldose.

Ou ui Ai ssSuryancSeat mrpelicngt Tlaasnk (100672) AmeAnR1dt2oRme1vie6sio-nnN0ots0: 71 7 `Efecive Da: nealg,e1o9f939 Amendment 1 to the EN-s Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To (Confidential) June 16,1999 Prepared by Battelle 397 Washington Street .

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(a R-y) p ry ARR26 _ [333 moWASo HINGTONm , 0.6.so20r4o 6c0nonso ce Certified Mail Remwrn Receipt Requested JRrE--E-- Andrea Malinowski (D-8078-1) E.L du Pont de Nemours and Co.

3M SPECIALTY ADHESIVES & CHENUCALS ANALYTICAL To: Leo Gehlhoff-(309727)-3M Chemicals-236-2A-01 LABORATORY Reques#t's53030 EEQM@ Tom Kestner- (3-5633)SA&C AnalyticaLlab -236-2B-II Spbiect: I-7uorockenucalIsomer Distnbution by 'PF-NMR Spectroscopy Date: December 1,1997 SAMPLE DESCRIPTIONS: FC-95,lot# 217 (T-6295);Nominalproduct= CgF17-SO3(-K)(+) INTRODUCTION: Thissamplewas subjectedtoa '9F-NMR spectraalnalysimsethod to determinetheidentitiaensd relative concentrationosf thefluorochemicailsomersand asmany otheridentifiabilmepuritycomponents as possible.

Corperati HealthPhysics Corporate OccupationalMedicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center,220-2E-02 PO Box 33220 St.Paul,MN 55133-3220 651733 1110 An EpidemiologicAnalysisoftheInpatientand OutpatientClaims Event and EpisodeExperienceof3M Decatur Employees,1993-1998 The purposeofthisresearcphrotocolisto examinetheCorporateHealthStrategies Ingenix(CHS) inpatienatnd outpatientclaimsdatabasesfrom January1,1993 through December 31, 1998 ofDecaturchemicaland filmplantemployees.Claims dataarenot availablferom CHS priorto 1993.

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.

AOVANCEO BIOANALYTICAL SERVICES, INC

CORNINGHazleton MUTAGENICITY TEST ON T-6564 IN AN IN VIVO MOUSE MICRONUCLEUS ASSAY FRNAL REPORT Eli/, NOV r-, 1996 ,x 3,.4 0 ico@-L' AUTHOR Hemalatha Murli,Ph.D.

or AARR22262_6- -33636]41 suewROwaET:eAsORATORY Final Report Analysis of PFOA, PFOS, PFHS, and PFBS From Newly Constructed Wells at the Oakdale, Minnesota Disposal Site Laboratory Request Number: E06-0151 Method Requirement: 3M Method ETS-8-154.1 (modified) Testing Laboratory 3M EHS Operations 3M Environmental Laboratory Building 2-3E-09 935 Bush Avenue St.

AR226-0llY LE-19 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to a1,s1,P2F,2O,S3,3Li,4s,a4l,t,5,F5C,-69,64,,7,o7r,F8,C8-,984--hXe.pta(d1e-cOacftluaonreos-u,lflointihicuamcsiadl,t, CAS #29457-72-5) Remarks: The test sample is a mixture of the test substance in water (approximately 24.5% test substance and 75.5% water).