Tolerances are established for residues of penicillin and the salts of penicillin in food as follows:
(a) 0.05 part per million (negligible residue) in the uncooked edible tissues of cattle.
(b) Zero in the uncooked edible tissues of chickens, pheasants, quail, swine, and sheep; in eggs; and in milk or in any processed food in which such milk has been used.
(c) 0.01 part per million in the uncooked edible tissues of turkeys. [40 FR 13942, Mar. 27, 1975, as amended at 43 FR 32749, July 28, 1978]