No residues of testosterone, resulting from the use of testosterone propionate, are permitted in excess of the following increments above the concentrations of testosterone naturally present in untreated animals:
(a)
In uncooked edible tissues of heifers:
(1)
0.64 part per billion in muscle.
(2)
2.6 parts per billion in fat.
(3)
1.9 parts per billion in kidney.
(4)
1.3 parts per billion in liver.
Code of Federal Regulations
[52 FR 27683, July 23, 1987]