Section 556.630 - Sulfachlorpyridazine(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.