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:
In uncooked edible tissues of heifers:
0.64 part per billion in muscle.
2.6 parts per billion in fat.
1.9 parts per billion in kidney.
1.3 parts per billion in liver.
[Reserved]