21 CFR § 556.292
Gamithromycin
June 25, 2020
(a) Acceptable daily intake (ADI). The ADI for total residue of gamithromycin is 10 µg/kg of body weight per day.
(b) Tolerances. The tolerances for gamithromycin (marker residue) are:
(1) Cattle.
(i) Liver (target tissue): 500 ppb.
(ii) Muscle: 150 ppb.
(2) [Reserved]
(c) Related conditions of use. See §522.1014 of this chapter.