The "affirmative list system" has specific provisions for all residues of agricultural chemicals in agricultural products and food, including 15 pesticides and veterinary drugs. 53,862 limits have been set for 799 pesticides, veterinary drugs and feed additives, including current standards and provisional standards. For those without set limits, the "uniform standard" shall be implemented, that is, the content shall not exceed 0.01 mg/kg. Only 68 natural and synthetic chemicals (mainly nutrients) are exempt from the limit.