AR28-6 3267 1 AR 226 -- 3269 Determination of Ultravioletspectrum --| --_ DUPONT REPORT # 12734 [--------) vio SPECTRUM Test Guideline(s) aruthsorsisn, PhD. ay irc) ReymondE.

Haskell Laboratory for Toxicology and Industrial Medicine AR226-3373 October 30,1998 To: From: AG Haskell Laboratory Haskell Laboratory CARCINOGENIC AND DEVELOPMENTAL TOXICITY HAZARD DETERMINATIONS AMMONIUM PERFLUOROOCTANOATE (Octanoic Acid, Pentadecafluoro-, Ammonium Salt) CAS REGISTRY NO. 3825-26-1 Ammonium perfluorooctanoate (C-8) has been reviewed according to DuPont Corporate Standard S18T (Hazard Determination Process) for assessment and control of carcinogenic and developmental toxicity hazards.

HASKELL LABORATORY AR226-3381 Common Name: Barium Telomer B Sulfonic Acid (Barium TBS) Chemical Name: Poly(difluoromethylene), alpha-fluoro-omega-(2-sulfoethyl)-, barium salt CAS Registry No.: None Chemical Structure: [F - (CFa - CF2)x - CH2 - 0 CH2 - S - O'h Ba4'2 0 where x = 1-10 (average of 4) Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Specific Gravity: Vapor Pressure: Dusty White Powder Variable Recommended AEL 1 mg/m3 (8- and 12-hour TWA), skin General Toxicity Barium TBS has slight acute oral toxicity with an ALD in the rat of 2300 mg/kg (DuPont, 1988c).

- r= PATTON BOGGS. 4) ATTORNLETOYSW ARR26_ 355 a wn December 20, 2004 AR 224 bic ad Proberuon@pstonboggs com Me.

NORTHERN KENTUCKY SUITE 340 OFFICE 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE I - SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 ROBERT A.

Multi-city and Decat 'i I A I -1 1 .

BIOCONCENTRATION TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422. (1-OctanesulfonamideN,-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 uncharactedzedpurity.

IN VITRO MICROBIOLOGICAL NUTAGENICITY ASSAYS OF 3M COMPALNY COMPOUNDS T-2540 CoC and T-2541 CoC Final Report August 1979 By: Kristien E.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Primary Skin Irritation Test with T-3493 in Albino Rabbits F(-F.EE[B31,-11934 NLJ 0884EB0009 Safety Evaluation Laboratory Riker Laboratories, Inc.

BIODEGRADATION (BOD/CODITOC) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acetmaatye;alsobe referredtoas PFOSAA, FC-128 oras the major component of FC-127 or FC-129.

CORNINGHazleton MUTAGENICITY TEST ON T-6342 IN AN IN VIVO MOUSE MICRONUCLEUS ASSAY FINAL REPORT AUTHOR HemalathaMurli,Ph.D.

CorporatOeccupationMaeldicine 3M CenterB,uildin2g20-3W-05 St.PaulN,lN55144-1000 651'3/'j4230Telephone 6517339066Fax 6.

MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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

COVAW'C-E-'-*'\ THE DEVELOPMENT SERVICES COMPANY Sponsor: 3M St.Paul,Ntinnesota FINAL REPORT Study Title: 13-Week DietaryToxicityStudywithN-Methyl Perfluorooctanesulfonamido Ethanol(N-MeFOSE, T-6314)inRats Author: PeterJ.Thomford, PhD Study Completion Date: June 30,2000 PerformingLaboratory: Covance LaboratoriesInc. 3301 Kinsman Boulevard Madison,Wisconsin 53704-2595 LaboratoryStudy Identification: Covance 6329-225 Sponsor Study Identification: StudyNo. 3M T-6314.1 Page I of560 QUALITY ASSURANCE STATEmyNT Covance 6329-225 3M T-6314.1 Thisreport,withtheexceptionofAppendix 7,hasbeenreviewedby theQuality Assurance Unit of Covance LaboratoriesInc.