21 CFR § 556.630
Sulfachlorpyridazine
June 25, 2020
(a) [Reserved]
(b) Tolerances. The tolerances for sulfachlorpyridazine are:
(1) Cattle and swine. Edible tissues (excluding milk): 0.1 ppm.
(2) [Reserved]
(c) Related conditions of use. See §§520.2200 and 522.2200 of this chapter.