Threshold-based Risk Assessment Threshold:there is some dose,below which there will be no effect. RFD:The Reference Dose is the amount of a pesticide residue a person could consume daily for 70 years with no harmful non-cancer effects. 。 RFD(EPA)=Allowable daily intake(EU1) OSU And other developed countries 0regonstae Threshold-based Risk Assessment Threshold: there is some dose, below which there will be no effect. • RFD: The Reference Dose is the amount of a pesticide residue a person could consume daily for 70 years with no harmful non-cancer effects. • RFD (EPA) = Allowable daily intake (EU 1 ) 1And other developed countries