Fluoroc Sample Cr=ntrrA=nalyticalLaboratories,Inc. 3048 Research Drive StateCollege,PA 16801 1% Phone: (814)231-8032 Fax:(814)231-1253 or (814)231-1580 Anawcal Report FluorochemicalCharacterizatioonf DrinkingWater Samples Decatur,Alabama (W1979) CentreAnalyticalLaboratoryReport No. 023-007B TestingLaboratory CentreAnalyticaLlaboratoryI,nc. 3048 Research Drive StateCollege,PA 16801 3M Environmental Laboratory Contact Kent R.

3M MMDICAL DEPARTTYIENT TOXICOLOGY SERVICES cc:John Butenhoff From: Marv Case Subject: Covance Study6329-222 Date: 27 July1998 On 22 July1998 when I was atCovance Madison, I reviewedthemicroscopiclivertissue sectionsof themonkeys on the4-week oralrangefmderstudyofPFOS (Covance study 6329-222).There was no evidenceof compound-relatedeffectisntheliveerven inthe highdose animals.Our toxicologyconsultanthsad askedthequestionwhetherthehigh dose monkeys had any evidenceoflivernecrosisor any othermicroscopicevidence adverselivereffects.The answer isnegative.

CHRONIC TOXICITY TO FISH TEST SUB TANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay also be referredto as N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidof uncharacterizedpurity.The laboratoryconductingthe study refersto N-ETFOSE Alcoholas "78.01".

HAZLCNCCN W A S H IN G T 0 N 9200 LEESBURG PIKE VIENNA, VA.22 182-1599 CEIV, SEP 2 0 1993 GENOTOXICITY TEST ON T-5711.1 e,,\ 3M -k 0 C0 IN THE IN VIVO/IN VITRO UNSCHEDULED DNA SYNTHESIS AND CELL PROLIFERATION ASSAYS IN RAT LIVER CELLS FINAL REPORT AUTHOR Maria A.

1c;c 0 FL)EI OFFICE ECY 7545 11rA,[)I'@C)14,V\'1 5 3 7 0 7 - 7 E,4 5 FINAL REPORT .

InternatioRneaslearcahndDevelopmenCtorporation SPONSOR: TEST MATERIAL: SUBJECT: 3M Company Fluorad Flucrochemical FC-143 Acute Oral Toxicity (LD Study in Rats. 50 Wilson P Dean, B.A.

CorporatOeccupationMaeldicine 3M CenterB,uildin2g20-3W-05 St.PaulM,N 55144-1000 6517374230Telephone 6517339066Fax 9.PhysiciaPnlantSummary ReportsRegardingMedicalSurveillanPcreogram atCottageGrove (1978-1991) Followinrgeportosfthefindinogforganifcluorinienserasamplesa,fluorochemical medical surveillancperogram began at3M's manufacturingfacilitiiensthemid 1970's.

3M SpecialtyMaterials 3M Center St.Paul,MN 55144-1000 651733 1100 June 8,2000 Dr.CharlesAuer Director Chemical ControlDivision OfficeofPollutionPreventionand Toxics United StatesEnvironmentalProtectioAngency 401 M Street,Southwest Room 403 EastTower (MailCode 7405) Washington,D.C. 20460 Re: InformationofPerfluorooctanoAicid & Salts- UEIP Form Dear Charlie: 3M isenclosingthecompleted"Use and ExposureInformationProfileo"r"UEIP" for perfluorooctanoiaccidand salts.

MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE ldenfity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95 or as a component ofFC-201AF. (1Octanesulfonicacid)(CAS # 2795-39-3).

BIODEGRADATION (MANOMETRIC RESPIROMETRY -ANAEROBIC) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh;i,ch may alsobe referredtoas PFOS, FC-95, or as a component ofFC-304 1. (1Octanesulfonicacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component of FX-3106. (1Octanesulfoniaccid)(CAS # 2795-39-3).

c 0 V A-N--C--E@ THE DEVELOPMENT SERVICES COMPANY Covance LaboratoriesInc.

ps AR236 -- 3581 Andrea V.

+ AARRA2A2G-6-33663335 SHENVIROMERNeTArLoLAR0BOERAoTOsRY Final Report Analysis of PFOA, PFOS, PFHS, and PFBS From Newly Constructed Wells at the Oakdale, Minnesota Disposal Site Laboratory Request Number: E08-0151 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.

p. 1 A R 2 a 6 - .~~72 9 INTERIM REPORT # 10 - Analysis of Fish and Clam Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS; for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE May 09, 2006 PERFORMING LABORATORY Exygen Research r_, 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.