2 Pesticide Risk Assessment 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. Risk RFD= cup OSU 0re9onsa邮Pesticide Risk Assessment • 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. Risk RFD = cup