StacksVerified U.S. regulatory reference

21 CFR §556.560

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)[Reserved]
  2. (b)Tolerances. The tolerances for pyrantel are:
    1. (1)Swine.
      1. (i)Liver and kidney: 10 ppm.
      2. (ii)Muscle: 1 ppm.
    2. (2)[Reserved]
  3. (c)Related conditions of use. See §§ 520.2045 and 558.485 of this chapter.