21 CFR § 556.770
Zoalene
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerances for zoalene and its metabolite 3-amino-5-nitro-o-toluamide are:
(1) Chickens.
(i) Liver and kidney: 6 ppm.
(ii) Muscle: 3 ppm.
(iii) Fat: 2 ppm.
(2) Turkeys. Liver and muscle: 3 ppm.
(c) Related conditions of use. See §558.680 of this chapter.