StacksVerified U.S. regulatory reference

21 CFR §556.495

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Acceptable daily intake (ADI). The ADI for total residue of oxfendazole is 7 µg/kg of body weight per day.
  2. (b)Tolerances. The tolerance for fenbendazole (marker residue) is:
    1. (1)Cattle. Liver (target tissue): 0.8 ppm.
    2. (2)[Reserved]
  3. (c)Related conditions of use. See §§ 520.1629 and 520.1630 of this chapter.