Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 721 - IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
Subpart I - USE AND MANAGEMENT OF CONTAINERS
Section 721.275 - Secondary Containment
Universal Citation: 35 IL Admin Code ยง 721.275
Current through Register Vol. 48, No. 38, September 20, 2024
a) Container storage areas must have a secondary containment system that is designed and operated in accordance with subsection (b).
b) A secondary containment system must be designed and operated as follows:
1) A base
must underlie the containers which is free of cracks or gaps and is
sufficiently impervious to contain leaks, spills, and accumulated precipitation
until the collected material is detected and removed;
2) The base must be sloped or the secondary
containment system must be otherwise designed and operated to drain and remove
liquids resulting from leaks, spills, or precipitation, unless the containers
are elevated or are otherwise protected from contact with accumulated
liquids;
3) The secondary
containment system must have sufficient capacity to contain ten percent of the
volume of containers or the volume of the largest container, whichever is
greater;
4) Run-on into the
secondary containment system must be prevented unless the collection system has
sufficient excess capacity in addition to that required in subsection (b)(3) to
contain any run-on which might enter the system; and
5) Spilled or leaked material and accumulated
precipitation must be removed from the sump or collection area in as timely a
manner as is necessary to prevent overflow of the secondary collection
system.
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