CFR › Title 21 › Part 556 › §556.16021 CFR §556.160Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)[Reserved](b)Tolerances. The tolerances for clopidol are:(1)Chickens and turkeys.(i)Liver and kidney: 15 ppm.(ii)Muscle: 5 ppm.(2)[Reserved](c)Related conditions of use. See § 558.175 of this chapter.