§556.275. Fenbendazole.
21 C.F.R. § 556.275
Acceptable daily intake (ADI). The ADI for total residue of fenbendazole is 40 µg/kg of body weight per day.
Tolerances. The tolerances for fenbendazole are:
Cattle.
Liver (target tissue)— 0.8 ppm fenbendazole (marker residue).
Milk— 0.22 ppm fenbendazole sulfoxide (marker residue).
Chickens.
Liver (target tissue)— 5.2 ppm fenbendazole sulfone (marker residue).
Eggs— 1.8 ppm fenbendazole sulfone (marker residue).
Goats.
Liver (target tissue)— 0.8 ppm fenbendazole (marker residue).
[Reserved]
Swine.
Liver (target tissue)— 3.2 ppm fenbendazole (marker residue).
[Reserved]
Turkeys.
Liver (target tissue)— 6 ppm fenbendazole sulfone (marker residue).
[Reserved]
Quail.
Liver (target tissue)— 6 ppm fenbendazole sulfone (marker residue).
[Reserved]
Related conditions of use. See §§ 520.905a, 520.905b, 520.905c, 520.905d, and 558.258 of this chapter.
Notes, amendments, and revision history
Amendments
[84 FR 32993, July 11, 2019, as amended at 86 FR 57998, Oct. 20, 2021; 86 FR 61686, Nov. 8, 2021; 89 FR 85428, Oct. 28, 2024]
Authority
Authority: 21 U.S.C. 342, 360b, 371.
Source
Source: 84 FR 32993, July 11, 2019, unless otherwise noted.
Amendments
[84 FR 32993, July 11, 2019, as amended at 86 FR 57998, Oct. 20, 2021; 86 FR 61686, Nov. 8, 2021; 89 FR 85428, Oct. 28, 2024]