What is purpose of marking and labelling of dangerous cargo on ships ?

The purpose of marking packages with the correct and proper shipping name, and the UN number of the substance, is to ensure that the material or substance can be readily identified during transportation of the goods. This identification is particularly important in determining the nature of emergency treatment which would be required in the event of a spillage or accident occurring.


Markings on packages containing harmful substances must be of such a durable nature as to withstand three months immersion in sea water. They must be adequate to minimize the hazard to the marine environment having due regard to their specific contents.


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