Mich. Admin. Code R. 285.641.5 - Liquid level-gauging devices
Rule 5.
(1) A
storage facility shall ensure that a storage container permits easy and safe
measurement of the liquid level within the storage container. Liquid level
gauging may be accomplished using any of the following:
(a) Tank markings.
(b) See-through gradations.
(c) Dip sticks.
(d) Site gauge tubes.
(e) Other approved means.
(2) A storage facility shall
ensure that exterior liquid level gauging devices are secured to protect
against breakage and vandalism.
(3)
A storage facility shall ensure that a storage container which has external
sight gauges has a lockable bottom valve and is locked closed when not in
use.
(4) A facility that is placed
in service after the effective date of this rule shall immediately comply with
this rule. A facility that is in service before the effective date of this rule
has 2 years to comply with this rule.
Notes
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