Minnesota Administrative Rules
Agency 167 - Pollution Control Agency
Chapter 7151 - ABOVEGROUND STORAGE OF LIQUID SUBSTANCES
WITHDRAWAL FROM SERVICE OF ABOVEGROUND STORAGE TANK SYSTEMS
Part 7151.8200 - OUT-OF-SERVICE ABOVEGROUND STORAGE TANK SYSTEMS
Universal Citation: MN Rules 7151.8200
Current through Register Vol. 48, No. 39, March 25, 2024
Subpart 1. Application.
If a substance is not introduced to or removed from an aboveground storage tank system for one year or more, or if an aboveground storage tank system is to be permanently closed, the owner or operator shall:
A. maintain the operation and
maintenance requirements of parts
7151.7100 to
7151.7500; or
B. declare the tank system as inactive and
taken out of service or removed.
Subp. 2. Out of service.
The owner or operator of an aboveground storage tank system taken out of service shall:
A. remove
all substances from the aboveground storage tank, connected piping, and
appurtenances;
B. secure the
aboveground storage tank to prevent unauthorized entrance or tampering, by:
(1) securely bolting and locking all manways
and valves; and
(2) capping or
plugging fill lines, gauge openings, or pump lines;
C. thoroughly clean the interior of the tank
and all associated piping of all sludge, solids, and residuals;
D. dispose of tank bottom sludges in
accordance with applicable state or federal requirements;
E. render the tank sufficiently free of
vapors to avoid formation of an explosive atmosphere and vent the tank;
and
F. clearly label the exterior
of an out-of-service tank with the words "Out of Service," and the date the
tank was taken out of service.
Statutory Authority: MS s 115.03
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