Cancer“Prevention” EPA cancer risk assessment goal: prevent excess cancers due to chemical exposure Often assumes a lifetime daily dose(mg/kg/day) Excess cancer:>1 in 4 U.S.population OSU 0re9onsa邮Cancer “Prevention” EPA cancer risk assessment goal: prevent excess cancers due to chemical exposure • Often assumes a lifetime daily dose (mg/kg/day) • Excess cancer: >1 in 4 U.S. population