StacksVerified U.S. regulatory reference

21 CFR §556.230

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Tolerances. The tolerances for erythromycin are:
    1. (1)Cattle.
      1. (i)Edible tissues (excluding milk): 0.1 ppm.
      2. (ii)Milk: Zero.
    2. (2)Chickens and turkeys.
      1. (i)Edible tissues (excluding eggs): 0.125 ppm.
      2. (ii)Eggs: 0.025 ppm.
  3. (c)Related conditions of use. See §§ 520.823, 522.820, 526.820, and 558.248 of this chapter.