21 CFR § 556.710 - Testosterone.

§ 556.710 Testosterone.

(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 § 522.2343 of this chapter.

[84 FR 32993, July 11, 2019, as amended at 87 FR 10970, Feb. 28, 2022]