21 C.F.R. § 556.347 – Lasalocid.

(a) Acceptable daily intake (ADI). The ADI for total residue of lasalocid is 10 µg/kg of body weight per day.
(b) Tolerances. The tolerances for lasalocid (marker residue) are:
1. (1) Cattle. Liver (target tissue): 0.7 ppm.
2. (2) Chickens.
  1. (i) Skin with adhering fat (target tissue): 1.2 ppm.
  2. (ii) Liver: 0.4 ppm.
3. (3) Rabbits. Liver (target tissue): 0.7 ppm.
4. (4) Sheep. Liver (target tissue): 1.0 ppm.
5. (5) Turkeys.
  1. (i) Liver (target tissue): 0.4 ppm.
  2. (ii) Skin with adhering fat: 0.4 ppm.
(c) Related conditions of use. See § 558.311 of this chapter.