Section 556.163 - Clorsulon(a)Acceptable daily intake (ADI). The ADI for total residue of clorsulon is 8 [MICRO]g/kg of body weight per day.(b)Tolerances. The tolerances for clorsulon (marker residue) are: (1)Cattle.(i) Kidney (target tissue): 1.0 ppm.(c)Related conditions of use. See §§ 520.462 and 522.1193 of this chapter.