21 CFR § 556.600
Spectinomycin
June 25, 2020
(a) Acceptable daily intake (ADI). The ADI for total residue of spectinomycin is 25 µg/kg of body weight per day.
(b) Tolerances. The tolerances for spectinomycin are:
(1) Cattle.
(i) Kidney (target tissue): 4 ppm spectinomycin (marker residue).
(ii) Muscle: 0.25 ppm.
(2) Chickens and turkeys. Edible tissues (excluding eggs): 0.1 ppm.
(3) Swine. Edible tissues: Not required.
(c) Related conditions of use. See §§520.1265, 520.2123b, 520.2123c, 522.2120, and 522.2121 of this chapter.