Current through Register Vol. 48, No. 38, September 20, 2024
a) Containment
Container storage areas regulated under this Part must have a
containment system that is designed and operated as follows:
1) A base must underlay 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 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) When not
protected from receiving precipitation, the containment shall have a minimum
containment volume of a 6-inch rain storm (a 25 year, 24 hour rain), plus the
capacity of the largest container, and the volume displaced by the bases of the
other containers located within the secondary containment structure. Containers
that do not contain free liquids need not be considered in this
determination.
4) When protected
from receiving precipitation, the containment shall have a minimum containment
volume of 100 percent of the capacity of the largest container, plus the volume
displaced by the bases of the other containers.
5) Run-on into the containment system must be
prevented unless the collection system has sufficient excess capacity in
addition to that required in subsection (3) above to contain any run-on which
might enter the system.
6) 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 collection system.
b) Detection and Recovery of Releases
1) Secondary containment systems must be:
A) Designed, installed and operated to
prevent any migration of materials or accumulated liquid out of the system to
the soil, groundwater or surface water at any time during the use of the
containment system; and
B) Provide
for detection and recovery of releases and accumulated liquids until the
collected material is removed.
2) To meet the requirements of subsection
(a), secondary containment systems must be at a minimum:
A) Constructed of or lined with materials
that are compatible with the material(s) to be placed in the containment system
and must have sufficient strength and thickness to prevent failure owing to
pressure gradients (including static head and external hydrological forces),
physical contact with the waste to which it is exposed, climatic conditions and
the stress of daily operation (including stresses from nearby vehicular
traffic);
B) Placed on a foundation
or base capable of providing support to the secondary containment system,
resistance to pressure gradients above and below the system, and capable of
preventing failure due to settlement, compression or uplift; and
C) Sloped or otherwise designed or operated
to drain and remove liquids resulting from leaks, spills or precipitation.
Spilled or leaked material and accumulated precipitation must be removed from
the secondary containment system within 24 hours, or in as timely a manner as
is possible to prevent harm to human health and the environment, if the owner
or operator demonstrates to the Agency that removal of the released material or
accumulated precipitation cannot be accomplished within 24 hours.
c) Containment Runoff
1) Uncontaminated storm water runoff must be
removed from the secondary containment area within 24 hours after a
precipitation event.
2)
Contaminated storm water runoff must be handled in accordance with 35 Ill. Adm.
Code Subtitle C.
d)
Special Requirements for Incompatible Materials
1) Incompatible materials must not be placed
in the same container.
2) A storage
container holding a material that is incompatible with any other materials
stored nearby in other containers, piles, open tanks or surface impoundments
must be separated from the other materials or protected from them by means of a
dike, berm, wall or other device.
e) Condition of Container
If a container holding material is not in good condition
(e.g., severe rusting, apparent structural defects) or if it begins to leak,
the owner or operator must transfer the material from this container to a
container that is in good condition.
f) Compatibility of Material With Container
The owner or operator must use containers made of or lined
with materials which will not react with, and are otherwise compatible with,
the material to be stored, so that the ability of the container to contain the
material is not impaired.
g) Management of Containers
1) A container holding material must always
be closed during storage, except when it is necessary to add or remove
material.
2) A container holding
material must not be opened, handled or stored in a manner which may rupture
the container or cause it to leak.
h) Stacked Containers on Pallets
Containers must not be stacked more than two high on
pallets.
i) Special
Requirements for Ignitable or Reactive Material
Ignitable or reactive material must not be placed in
containment systems unless:
1) The
material is stored or treated in such a way that it is protected from any
material or conditions which may cause the material to ignite or react;
or
2) The container is used solely
for emergencies.
j)
Closure
At closure of a containment system, the owner or operator
shall remove or decontaminate all residues, contaminated containment system
components (liners, etc.), contaminated soils and structures and contaminated
equipment.
