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QID - 25581

You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?

A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 
            
Pyridine and diisopropylamine may not be carried in tanks having a common header vent. 
            
Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. 
            
Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). 
            

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