HRR26 _ 323) 403 ARR - 322] DuPont 5990 `TRADE SECRET Study Title with OneH-9-G02e-4n7De6ar8y:aGiaoSvnuabRgceehprrSootnduiudccytTiionoxniRcaEitvtsayluations Volume 3 of 5 Laboratory Project ID: DuPont-5990 TEST GUIDELINES: U.S.

AR226-3342 Bill Berti DuPont Central Research & Development Wilmington, Delaware USA Ths mif'Qcies a/seiencs" BiNing W a n g aDaryl Cobranchi aBarbara Larsen aBogden Szostek BMary Kaiser John Gannon Bob Buck gLisa Sulecki Pat Folsom aMark Starr aChien-Ping Kao gChristopher Bowers aVIadimir Capka OutSSne Background a Intermediates and Products Overview of E-fate studies Physical-Chemical Properties a Water solubility and Vapor Pressure ^ 6-2TBI, 8-2TBI, 6-2TBA, 8-2TBA B Measured vs.

PFOS: A D DIETARY ACUTE MALLARD DUCK STUDY TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95.

lAbOMtDry ComposiRteport AnalyticaRleportsofData for FluorochemicalAnalysisinHuman Sera LIEMS No. 1623 TestingLaboratory 3M EnvironmentaTlechnology& SafetyServices 3M EnvironmentalLaboratory FluorineAnalyticaClhemistryTeam (FACT) 2-3E-09 935 Bush Avenue, St.PauL MN 55106 Laboratory Cont"t KrisHansen,Ph.D.

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AR226 -0715 ACUTE TOXICITY TO FISH (RAINBOW TROUT) IEST~S ~ UBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN Analytical Data Summary PFOS, Primary Standard - Test Control Reference #TCR-00017-046 SOLUBILITY IN WATER, NATURASLEAWATER, AN AQUEOUSSOLUTION OF 3.5% SODIUM CHLORIDE, AND N-OCTANOWL ITH SUBSEQUENT CALCULATION OF THE N-OCTANOL:WATER PARTITION COEFFICIENT (&,) OF PFOS FOR EACH OF THE AQUEOUSMATRICES Author Mark E.

~~~~ ~~~~ 3M Medical Department Study: T-6316.8 BACK TO MAIN Analytical Report: FACT TOX-097 LRN-U2452 Study Title Oral (Stomach Tube) Developmental Toxicity Study of 2(N-Ethylperfluorooctanesulfonamido)-ethanolin Rabbits Analytical Laboratory Reporf Title Determination of the Presence and Concentration of Potassium Perfluorooctanesulfonate (PFOS) or another metabolite of 2(N-ethylperfluorooctanesulfonamido)-ethanol(N-EtFOSE) in Liver and Serum Specimens Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Laboratory Liver and Serum, Extraction and Analyses 3M Environmental Laboratory Building 2-3E-09,935 Bush Avenue St.