Before each cargo tank is crude oil washed (COW) the oxygen content must be determined at which levels?
Oxygen content must be determined at point 1 meter below the deck and at the middle level of the ullage space.
Before each cargo tank is crude oil washed (COW) the oxygen content must be determined at which levels?
Oxygen content must be determined at point 1 meter below the deck and at the middle level of the ullage space.
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