Nicarbazin.

(a) Acceptable daily intake (ADI). The ADI for total residues of nicarbazin (4,4′-dinitrocarbanilide and 2-hydroxy-4,6-dimethylpyrimidine) is 200 µg/kg of body weight per day. (b) Tolerances. The tolerance for 4,4′-dinitrocarbanilide (marker residue) is: (1) Chickens. Liver (target tissue): 52 ppm. (2) [Reserved] (c) Related conditions of use. See §§ 558.364 and 558.366 of this chapter.