vents. Emissions from those vents are a significant contributor to the elevated cancer risk estimated in the National Air Toxics Assessment. (7) The current National Emissions Standards for Hazardous Air Pollutants for ethylene oxide sterilizers and hospital ethylene oxide sterilizers do not protect public health with an adequate margin of safety. 3. Review and revision of emissions standards for sources of ethylene oxides Not later than 9 months after the date of enactment of this Act, as required by section 112(d)(6) of the Clean Air Act ( 42 U.S.C. 7412(d)(6) ), the Administrator of the Environmental Protection Agency shall— (1) review the emissions standards promulgated under section 112(d) of such Act ( 42 U.S.C. 7412(d) ) for sources of ethylene oxides