Section 285.641.5. Liquid level-gauging devices.

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(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.

History: 1998-2000 AACS.

                    
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