Ill. Admin. Code tit. 35, § 725.350
The regulations in this Subpart L apply to owners and operators of facilities that treat or store hazardous waste in piles, except as Section 725.101 provides otherwise. Alternatively, a pile of hazardous waste may be managed as a landfill under Subpart N.
(Source: Amended at 42 Ill. Reg. 23725, effective November 19, 2018)