21 CFR § 556.50
Amprolium
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerances for amprolium are:
(1) Cattle.
(i) Liver, kidney, and muscle: 0.5 ppm.
(ii) Fat: 2.0 ppm.
(2) Chickens and turkeys.
(i) Liver and kidney: 1 ppm.
(ii) Muscle: 0.5 ppm.
(iii) Eggs:
(A) Egg yolks: 8 ppm.
(B) Whole eggs: 4 ppm.
(3) Pheasants.
(i) Liver: 1 ppm.
(ii) Muscle: 0.5 ppm.
(c) Related conditions of use. See §§520.100, 558.55, and 558.58 of this chapter.