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U.S.EPA IRIS Substance file-Norflurazon:CASRN 27314-13-2 http://Nvwvv.epa.gov/ngispgm3/irisisubst/0082.htm <br /> Data Gap (s) : None <br /> _I.A.5. CONFIDENCE IN THE ORAL RfD <br /> Study -- High <br /> Data Base -- High <br /> RfD -- High <br /> The principal study is of good quality and is given a high confidence rating. <br /> Additional studies are of good quality and there are no data gaps; therefore, <br /> the data base is given a high confidence rating. High confidence in the RfD <br /> follows. <br /> _I.A.6. EPA DOCUMENTATION AND REVIEW OF THE ORAL RfD <br /> Pesticide Registration Standard, July 1984 <br /> Pesticide Registration Files <br /> Agency Work Group Review -- 07/08/1986 <br /> Verification Date -- 07/08/1986 <br /> _I.A.7. EPA CONTACTS (ORAL RfD) <br /> Please contact the Risk Information Hotline for all questions concerning this <br /> assessment or IRIS, in general, at (513) 569-7254 (phone) , (513) 569-7159 (FAX) <br /> or RIH.IRIS@EPAMAIL.EPA.GOV (internet address) . <br /> _I.B. REFERENCE CONCENTRATION FOR CHRONIC INHALATION EXPOSURE (RfQ <br /> Substance Name -- Norflurazon <br /> CASRN -- 27314-13-2 <br /> Not available at this time. <br /> of 7 5/15/00 11:14 AM <br />