21 C.F.R. § 556.34 – Albendazole.

(a) Acceptable daily intake (ADI). The ADI for total residue of albendazole is 5 µg/kg of body weight per day.
(b) Tolerances. The tolerances for albendazole 2-aminosulfone (marker residue) are:
1. (1) Cattle.
  1. (i) Liver (target tissue): 0.2 ppm.
  2. (ii) Muscle: 0.05 ppm.
2. (2) Sheep.
  1. (i) Liver (target tissue): 0.25 ppm.
  2. (ii) Muscle: 0.05 ppm.
3. (3) Goat.
  1. (i) Liver (target tissue): 0.25 ppm.
  2. (ii) [Reserved]
(c) Related conditions of use. See §§ 520.38a and 520.38b of this chapter.