U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
(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.
