Document BRq9MLkJyRLkKRJ0eg4BDg16o

IM cCoursptooryateSeTroviicecsologysnd Hoste Se I S31pColrerN,N BSinga022002-.02 AR226_ IS24 rr Certified Mail 8CHA - 0903. ISRG2 Festi ven Document Processing Center EPA East - Room 648 Attn: Section 8(e) UOfSfiEcePoAf Pollution Prevention andToxics Washington DC 2046(-0001 w 7757 EER E nT n: RE: TSCA 8(E) SUPPLEMENTAL SUBMISSION: Docket No. 8E/4Q-03-15262 1-Butanesulfonylfluoride, 1:12.2,3,3,4d-octafluoro-4-[(trifluorocthenyljoxy] (CAS: 88190-23-7) Dear Docket Coordinatars Conta NO OtonxiJciatnyuasrtuyd1y0,in2r0a0t3s,c3o\dtupcrtoevdidweidthEP1-ABuwtiatnehspurlefolniymlifnlauroyrirdees,ults from a28-day oral sotcutadfylcuoonrtoa-i4n-s{(rtersiuflltsuotrkoacttahreenycloonxsyi]st(eCnAtSw:it8h81th9e0-p2r5e.v7i)o,uslTyherefpio1nra1tle2rde2pi3onrf3tor4fmo4art.tihoins, Enclosed please find the following final report on CD-Rom: Cay * Rat Repeat Dose 28-Day Oral Toxicity + 14-DaysRecovery Please contact Andre Sicacat (651-575-3161) provide additional infonnation. if you have.any questions orif we can Sincerely, ve, Larry R. Johnson Director, Corporate Toxisology and Regulatory Services Enclosure 3 fa 22 R 38 z 2% =z 5 85 CARMaEEN cre 2 &35I s SFsE 5385 R