API 500A : 4ED 82(R1987)
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS IN PETROLEUM REFINERIES
01-02-2024
12-01-2013
Covers locations where flammable petroleum gases and volatile flammable liquids are processed, stored, loaded and unloaded or handled in any way in petroleum refineries.
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