Four-step NRC (1983): hazard identification, dose–response assessment, exposure assessment, risk characterisation. Produces margin of exposure (MOE = BMDL/exposure) or lifetime excess cancer risk LECR. Basis of OSHA, EPA, EFSA regulation.
Four-step NRC (1983): hazard identification, dose–response assessment, exposure assessment, risk characterisation. Produces margin of exposure (MOE = BMDL/exposure) or lifetime excess cancer risk LECR. Basis of OSHA, EPA, EFSA regulation.