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An OPEN LUST
site means a location where a release has occurred from an underground
storage tank system, and where corrective actions have not been completed to
meet the appropriate land use criteria. An OPEN LUST site may have more than
one confirmed release.
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A CLOSED LUST
site means a location where a release has occurred from an underground storage
tank system, and where corrective actions have been completed to meet the
appropriate land use criteria. In accordance with Section 21315(1) of Part 213,
Leaking Underground Storage Tank, of the Natural Resources and Environmental
Protection Act, 1994 PA 451, as amended (Act 451), the MDEQ may audit a closure
report, wherein the results of corrective actions are documented, up to 6
months after receipt of the closure report. This audit window may result in a
confirmed release(s) being reopened during the 6 month time frame following
receipt of a closure report if deficiencies are noted.
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ACTIVE UST FACILITIES
are those where there is at least one tank at the facility that is not closed
in place or removed and is regulated under Part 211, Underground Storage Tank
Regulations, of the Natural Resources and Environment Protection Act, 1994 PA
451, as amended (Act 451). There may be closed tanks and/or active
non-regulated tanks (such as heating oil tanks) at the facility.
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CLOSED UST FACILITIES are those where all tanks at the
facility that are regulated under Part 211 of Act 451 are closed. There may be
non-regulated active tanks at the facility, such as heating oil tanks or tanks
that are smaller than the regulatory cutoff.
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