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ISO 8697:1999 Crude petroleum and petroleum products -- Transfer accountability -- Assessment of on board quantity (OBQ) and quantity remaining on board (ROB)
standard by International Organization for Standardization, 10/01/1999
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Full Description
This International Standard specifies a method for assessing small volumes of material in the cargo tanks of marine tanker vessels prior to loading (OBQ) or upon completion of discharge (ROB) by manual gauging.
It is not applicable to the estimation of clingage, hydrocarbon vapours or the contents of associated pipelines or pumps.