（Question on how to express the quantity of UN 1072 on the DGD.）
In the blue pages, the quantity for UN 1072 Oxygen, compressed is shown in kilograms. How can we calculate the quantity of oxygen and show the quantity on the Declaration? (30 Apr 15)
Gases always come with a cylinder. The quantity of gases is the weight of the cylinder containing the gas, therefore for all gases, UN 1072 and etc., are to be declared in kiloｇrams, i.e., the weight of the cylinder containing the gas.