21 C.F.R. § 556.240 Estradiol and related esters.
Title 21 - Food and Drugs
No residues of estradiol, resulting from the use of estradiol or any of the related esters, are permitted in excess of the following increments above the concentrations of estradiol naturally present in untreated animals: (a) In uncooked edible tissues of heifers, steers, and calves: (1) 120 parts per trillion for muscle. (2) 480 parts per trillion for fat. (3) 360 parts per trillion for kidney. (4) 240 parts per trillion for liver. (b) In uncooked edible tissues of lambs: (1) 120 parts per trillion for muscle. (2) 600 parts per trillion for fat, kidney, and liver. [49 FR 13873, Apr. 9, 1984, as amended at 56 FR 67175, Dec. 30, 1991]
Title 21: Food and Drugs
PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD
Subpart B—Specific Tolerances for Residues of New Animal Drugs
§ 556.240 Estradiol and related esters.
