StacksVerified U.S. regulatory reference

21 CFR §556.50

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Tolerances. The tolerances for amprolium are:
    1. (1)Cattle.
      1. (i)Liver, kidney, and muscle: 0.5 ppm.
      2. (ii)Fat: 2.0 ppm.
    2. (2)Chickens and turkeys.
      1. (i)Liver and kidney: 1 ppm.
      2. (ii)Muscle: 0.5 ppm.
      3. (iii)Eggs:
        1. (A)Egg yolks: 8 ppm.
        2. (B)Whole eggs: 4 ppm.
    3. (3)Pheasants.
      1. (i)Liver: 1 ppm.
      2. (ii)Muscle: 0.5 ppm.
  3. (c)Related conditions of use. See §§ 520.100, 558.55, and 558.58 of this chapter.