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Title 21 → Chapter I → Subchapter E → Part 556 → Subpart B → §556.275

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Title 21: Food and Drugs
PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD
Subpart B—Specific Tolerances for Residues of Approved and Conditionally Approved New Animal Drugs

§556.275 Fenbendazole.

(a) Acceptable daily intake (ADI). The ADI for total residue of fenbendazole is 40 µg/kg of body weight per day.

(b) Tolerances. The tolerances for fenbendazole are:

(1) Cattle. (i) Liver (target tissue): 0.8 ppm fenbendazole (marker residue).

(ii) Muscle: 0.4 ppm fenbendazole.

(iii) Milk: 0.6 ppm fenbendazole sulfoxide.

(2) Chickens. (i) Liver (target tissue): 5.2 ppm fenbendazole sulfone (marker residue).

(ii) Eggs: 1.8 ppm fenbendazole sulfone (marker residue).

(3) Goats. (i) Liver (target tissue): 0.8 ppm fenbendazole (marker residue).

(ii) Muscle: 0.4 ppm fenbendazole.

(4) Swine. (i) Liver (target tissue): 3.2 ppm fenbendazole (marker residue).

(ii) Muscle: 2 ppm fenbendazole.

(5) Turkeys. (i) Liver (target tissue): 6 ppm fenbendazole sulfone (marker residue).

(ii) Muscle: 2 ppm fenbendazole sulfone.

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