Document pkdGKyMmbJm6m1VXLyxkj9oB

ATTACHMENT TO LETTER TO C.AUER DATED AUGUST 31,2000 SUPPLEMENTAL SUBMISSION FOSA or PFOSA Perfluorooctanesulfonamide MedicalSurveillanacnedEpidemiologic See item I under PFOS: InterimReport #1,Determinationof Serum Half-Livesof SeveralFluorochemicals,June 8,2000. Ongoing - Pharmacokinetic I . ProtocolforStudy No. T-7132.2; ST-39, PharmacokineticStudy of Perfluorooctane Sulfonamide inRats,3M Medical Department,CorporateToxicology Laboratory, In-LifeEnd Date November 2, 1999,reporton in-lifsetudypending. We are providinga copy of theLaboratoryReport,AnalyticalReport of Data forPFOSA PharmacokincticStudy inRats (Seraand Liver),3M Environmental Laboratory, LaboratoryReport No. FACT-TOX-145 (W2814), 3M ReferenceNo. T-7132.2, December 6, 1999.