Ill. Admin. Code tit. 35, § 724.358 - Closure and Post-Closure Care
a)
At closure, the owner or operator must remove or decontaminate all waste
residues, contaminated containment system components (liners, etc),
contaminated subsoils, and structures and equipment contaminated with waste and
leachate and manage them as hazardous waste, unless 35 Ill. Adm.
721.103(d)
applies.
b) If, after removing or
decontaminating all residues and making all reasonable efforts to effect
removal or decontamination of contaminated components, subsoils, structures,
and equipment, as required in subsection (a), the owner or operator finds that
not all contaminated subsoils can be practicably removed or decontaminated, it
must close the facility and perform post-closure care in accordance with the
closure and post-closure care requirements that apply to landfills (Section
724.410
).
c) Contingent Closure Plan
1) The owner or operator of a waste pile that
does not comply with the liner requirements of Section
724.351(a)(1),
and is not exempt from them in accordance with Sections
724.350(c)
or
724.351(b),
must do the following:
A) Include in the
closure plan for the pile under Section
724.212
both a plan for complying with subsection (a) and a contingent plan for
complying with subsection (b) in case not all contaminated subsoils can be
practicably removed at closure; and
B) Prepare a contingent post-closure plan
under Section
724.218
for complying with subsection (b) in case not all contaminated subsoils can be
practicably removed at closure.
2) The cost estimates calculated under
Sections
724.242
and
724.244
for closure and post-closure care of a pile subject to this subsection (b) must
include the cost of complying with the contingent closure plan and the
contingent post-closure plan, but are not required to include the cost of
expected closure under subsection (a).
Notes
Amended at 27 Ill. Reg. 3725, effective February 14, 2003
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