§556.240. Estradiol and related esters.
21 C.F.R. § 556.240
[Reserved]
Residues. Residues of estradiol are not permitted in excess of the following increments above the concentrations of estradiol naturally present in untreated animals:
Cattle.
Muscle— 0.2 ppb.
Liver— 0.6 ppb.
Kidney— 1.2 ppb.
Fat— 1.2 ppb.
[Reserved]
Related conditions of use. See §§ 522.840, 522.850, 522.1940, 522.2343, 522.2477, and 522.2478 of this chapter.
Notes, amendments, and revision history
Amendments
[84 FR 32993, July 11, 2019, as amended at 87 FR 17947, Mar. 29, 2022]
Authority
Authority: 21 U.S.C. 342, 360b, 371.
Source
Source: 84 FR 32993, July 11, 2019, unless otherwise noted.
Amendments
[84 FR 32993, July 11, 2019, as amended at 87 FR 17947, Mar. 29, 2022]