Section 556.52 - Apramycin(a)Acceptable daily intake (ADI). The ADI for total residue of apramycin is 25 [MICRO]g/kg of body weight per day.(b)Tolerances. The tolerance for apramycin (marker residue) is: (1)Swine. Kidney (target tissue): 0.1 ppm.(c)Related conditions of use. See §§ 520.110 and 558.59 of this chapter.