Illinois Administrative Code (Last Updated: March 27, 2024) |
TITLE35. ENVIRONMENTAL PROTECTION |
PART725. INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES |
SUBPARTL. WASTE PILES |
§725.353. Containment
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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 Operation
1) 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; and
4) 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; or
b) Alternative Control
1) The pile must be protected from precipitation and run-on by some other means; and
2) No liquids or wastes containing free liquids may be placed in the pile.
BOARD 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.
(Source: Amended at 43 Ill. Reg. 6049, effective May 2, 2019)