API MPM CH3.1A : 2013(R2018)
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
19-12-2018
This standard describes the following: a)the procedures for manually gauging the liquid level of petroleum and petroleum products in nonpressure fixed-roof, floating-roof tanks and marine tank vessels; b)procedures for manually gauging the level of free water that may be found with the petroleum or petroleum products; c)methods used to verify the length of gauge tapes under field conditions and the influence of bob weights and temperature on the gauge tape length; and d)influences that may affect the position of gauging reference point (either the datum plate or the reference gauge point).
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