TRADE SECRET Study Title H-23004: SKIN IRRITATION TEST IN RABBITS LABORATORY PROJECT ID: HL-1997-01294 AR226-3085 AUTHOR: Tracy A.

AR226-3161 TRADE SECRET Study Title H-24042: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2931 AUTHOR: Carol Finlay, B.A.

TRADE SECRET AR226-3163 DuPont-4594 Study Title H-24159: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4594 AUTHOR: Robert A.

TRADE SECRET Study Title H-24002: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2926 AR226-3216 AUTHOR: CarolPinlay,B.A.

RAR _ SUE 400 AR226. 3218 -_-- wDuPeonmt.9w05w7 TRADE SECRET Study Title H-25183: Static, Acute, 96p-rHoomuerlSacsreening Test to Pimephales Laboratory Project ID: DuPont-9057 AUTHOR: Alan Samel, M.S, STUDY COMPLETED ON: January 16, 2002 -- PERFORMING LABORATORY: EH.aLskedlulPLoanbtodreatNoerymofuorrsHeaanldthCaonmdpEannvyironmental Sciences NElekwtaornk,RoDaedl,awP.aOr.e B1o9x71540-0050 PS `CompanySanitized.

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Corl)orateHealth Physics Corporate OccupationalMedicine Corporate Product Responsibility Corporate Toxicology 3M MedicalDepartment 3M Center,220-2E-02 PO Box 33220 St.Paul,MN 55133-3220 651733 1110 DeteriminationofSerum EliminationHalf-LivesofAmmonium Perfluorooctanoate, PerfluorooctaneSulfonicAcid,Perfluoroheaxanesulfonicacidand TotalOrganic Fluorinein Decatur Chemical PlantRetirees The objectivoefthisstudyisquantitatehehuman serum eliminatiohnalflifeof perfluorooctanesulfon(aPtFeOS),perfluoroo.ctano(aPtFeOA) , perfluoroohexanesulfon(aPtFeOS) andtotalorganicfluorin(eTOF).

Transportbetween environmentalccxnpartments (fugacitmyodeling)includedinlettefrrom Don Mackay on the air/wateprartitionicnogefficienctalculabons TRANSPORT BETWEEN ENVIRONMENTAL TEST SUBSTANCE COMPARTMENTS (FUGACITY) Identity:Perfluorooctanesulfonatmea;y alsobe referretdoas PFOS or FC-95. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltCAS # 2795-39-3) Remarks: NA METHOD Test (testtype): FugacityModeling Method: Level 1,11,and IIIEQC Computer Modeling Year completed: 1999 Remarks fieldforTest Conditions: Modelingconductedby Don Mackay of D.

DIETARY ACUTE NORTHERN BOBWHITE STUDY TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95. (1-Octanesulfoniacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsalt,CAS # 2795-39-3) Remarks field: The testsubstance isa whitepowder.

PffYSICAL - CIffEIN/fICALPROPERTT-ES A Robust Summary, FinalReport, and Protocol on the physical-cbemicaplropertiesof perfluorooctanesulfonataere includedfor each of the followingparameters: PAR-KWTER DATE OF REPORT RESULTS ;MeltingPoint/MeltingPointRange Vapor Pressure n-Octanol/Water PartitionCoefficient Air-Water PartitionCoefficient Solubilitiyn ppre water SolubilityMeasurements on FC-95 2/24/99 5/5/99 2/11/00 3119/00 5/3/99 2/6/81 4000C 3.31x 104p (4@200C Not calculablet;hr" 0(<2xlO-) 570mg/l 1080mg/l phases The data presentedinthe study "SolubilitMyeasurements on FC-95," was determined by indirectmeasurement, not by actualanalysis.Therefore,the data isnot reliable.

6 all Extent and Route of Excretion of Total Carbon-14 in Pregnant Rats 14 After a Single Oral Dose of Ammonium C-Perfluorooctanoate June 30, 1983 Conducted At: During: Conducted by: Riker Laboratories, Subsidiary of 3m St.

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.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SU 3STANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredtoas PFOS, FC-95, or as a component of FC-203FC. (1Octanesuffoniaccid)(CAS # 2795-39-3).

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