Document DdZDnpvj5ar0dBN3Yw8j70O1d

ATTACHMENT TO LETTER TO C.AUER DATED AUGUST 31,2000 SUPPLEMENTAL SUBMISSION N-ETFOSA N-ethylperfluorooctanesulfonamide AcuteToxicit 1. FinalReport,Acute Oral ToxicityScreen with T-3067CoC in Albino Rats,Safety EvaluationLaboratory,Riker Laboratories,Inc.,Experiment No. 0981AR0147, 3M Reference No. T-3067 (narrow range ethylFOSA), May 15, 1987. Correctionto May 18 Submission: Three studiesconducted by Coming Hazelton (CHW 61101149, CHW 61101150, and CHW 6110115 1) were erroneouslylistedon the May 18,2000 bibliographyunder N-ETFOSA (Acute Toxicitybibliographyonly items I - 3). These studiesshould not have been listedthere. They did correctlyappear on the May 18 bibliographyunder PFOS and were providedunder PFOS Acute ToxicityI(a)-(c). Pharmacokinetic 1. FinalReport,Single-Dose IntravenousPhannacokinetic Study of T-5904 in Rabbits, Hazleton Wisconsin, 3M Reference No. T-5904 (95-99%), Study No. HWI 6329-117, October 14, 1994. Submitted above under PFOS: An Investigationof the Effectsof Fluorocarbons on LiverFattyAcid-Binding Protein,thesissubmitted to theGraduate School of theUniversityof Minnesota, by Deanna J.Nabbefeld, April 1998. Ongoin Mechanistic researchat theUniversityof Minnesota under the directionof Kendall Wallace includesN-Et FOSA, 3M Reference No. T-6868. I. Documents regardingthis researchhave been previouslysubmitted with the May 4, 2000 submission on PFOS (see Mechanistic 1)(a)-(f)). 6