CFR › Title 21 › Part 556 › §556.74121 CFR §556.741Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)[Reserved](b)Tolerances. The tolerances for tripelennamine are:(1)Cattle.(i)Edible tissues (excluding milk): 200 ppb.(ii)Milk: 20 ppb.(2)[Reserved](c)Related conditions of use. See § 522.2615 of this chapter.