21 CFR 556.765 - Zilpaterol.
(a)Acceptable daily intake (ADI). The ADI for total residues of zilpaterol is 0.083 micrograms per kilogram of body weight per day.
(i)Liver (the target tissue). The tolerance for zilpaterol (the marker residue) is 12 parts per billion (ppb).
(ii)Muscle. The tolerance for zilpaterol (the marker residue) is 10 ppb.
(c)Related conditions of use. See § 558.665 of this chapter.