21 CFR § 556.710
Testosterone
June 25, 2020
(a) [Reserved]
(b) Residues. Residues of testosterone are not permitted in excess of the following increments above the concentrations of testosterone naturally present in untreated animals:
(1) Cattle.
(i) Fat: 2.6 ppb.
(ii) Kidney: 1.9 ppb.
(iii) Liver: 1.3 ppb.
(iv) Muscle: 0.64 ppb.
(2) [Reserved]
(c) Related conditions of use. See §522.842 of this chapter.
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