21 CFR § 556.510 - Penicillin.
§ 556.510 Penicillin.
(a) [Reserved]
(b) Tolerances. The tolerances for penicillin are:
(1) Cattle.
(i) Edible tissues (excluding milk): 0.05 ppm.
(ii) Milk: Zero.
(2) Chickens. Edible tissues: Zero.
(3) Pheasants and quail. Edible tissues: Zero.
(4) Sheep and swine. Edible tissues: Zero.
(5) Turkeys. Edible tissues (excluding eggs): 0.01 ppm.
(c) Related conditions of use. See §§ 520.1696a, 522.1696a, 522.1696b, 526.1696, 526.1697, and 526.1698 of this chapter.