21 CFR § 556.230
Erythromycin
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerances for erythromycin are:
(1) Cattle.
(i) Edible tissues (excluding milk): 0.1 ppm.
(ii) Milk: Zero.
(2) Chickens and turkeys.
(i) Edible tissues (excluding eggs): 0.125 ppm.
(ii) Eggs: 0.025 ppm.
(c) Related conditions of use. See §§520.823, 522.820, 526.820, and 558.248 of this chapter.
[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]