StacksVerified U.S. regulatory reference

21 CFR §556.40

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Tolerances. The tolerances for ampicillin are:
    1. (1)Cattle. Edible tissues: 0.01 ppm.
    2. (2)Swine. Edible tissues: 0.01 ppm.
  3. (c)Related conditions of use. See §§ 520.90c, 522.90a, and 522.90b of this chapter.