Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 661 - Hazardous Waste Identification And Listing
Subchapter I - Use and Management of Containers
Section NR 661.0175 - Containment
Universal Citation: WI Admin Code ยง NR 661.0175
Current through August 26, 2024
(1) Container storage areas shall have a containment system that is designed and operated in accordance with sub. (2).
(2) A containment system shall be designed and operated to meet all of the following conditions:
(a) A base shall underlie the containers. The
base shall be free of cracks or gaps and sufficiently impervious to contain
leaks, spills, and accumulated precipitation until the collected material is
detected and removed.
(b) The base
shall be sloped, or the containment system shall 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.
(c) The containment system shall have
sufficient capacity to contain 10% of the volume of containers or the volume of
the largest container, whichever is greater.
(d) Run-on into the containment system shall
be prevented unless the collection system has sufficient excess capacity in
addition to that required in par. (c) to contain any run-on that might enter
the system.
(e) Spilled or leaked
material and accumulated precipitation shall be removed from the sump or
collection area in as timely a manner as is necessary to prevent overflow of
the collection system.
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