If leachate or run-off from a pile is a hazardous waste, then control of the leachate or run-off must be accomplished by either of the following means:
a) Control by Pile Design, Construction, and Operation1) The pile must be placed on an impermeable base that is compatible with the waste under the conditions of treatment or storage;2) The owner or operator must design, construct, operate and maintain a run-on control system capable of preventing flow onto the active portion of the pile during peak discharge from at least a 25-year storm;3) The owner or operator must design, construct, operate and maintain a run-off management system to collect and control at least the water volume resulting from a 24-hour, 25-year storm; and4) Collection and holding facilities (e.g., tanks or basins) associated with run-on and run-off control systems must be emptied or otherwise managed expeditiously to maintain design capacity of the system; orb) Alternative Control 1) The pile must be protected from precipitation and run-on by some other means; and2) No liquids or wastes containing free liquids may be placed in the pile. Ill. Admin. Code tit. 35, § 725.353
Amended at 29 Ill. Reg. 6389, effective April 22, 2005
Amended at 42 Ill. Reg. 23725, effective 11/19/2018Amended at 43 Ill. Reg. 6049, effective 5/2/2019BOARD NOTE: If collected leachate or run-off is discharged through a point source to waters of the United States, it is subject to the requirements of Section 12 of the Act.