StacksVerified U.S. regulatory reference

21 CFR §556.425

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Acceptable daily intake (ADI). The ADI for total residue of morantel tartrate is 10 µg/kg of body weight per day.
  2. (b)Tolerances. The tolerances for N-methyl-1,3-propanediamine (marker residue) are:
    1. (1)Cattle.
      1. (i)Liver (target tissue): 0.7 ppm.
      2. (ii)Milk: Not required.
    2. (2)Goats.
      1. (i)Liver (target tissue): 0.7 ppm.
      2. (ii)Milk: Not required.
  3. (c)Related conditions of use. See §§ 520.1450a, 520.1450b, 520.1450c, and 558.360 of this chapter.