Transportation of Dangerous Goods Regulations

4.18.1 If any of the following dangerous goods are contained in a large means of containment, the means of containment must have displayed on it either the placard for Class 5.1 next to the placard for Class 2.2 or the oxidizing gas placard:

• (a) UN1072, OXYGEN, COMPRESSED;

• (b) UN1073, OXYGEN, REFRIGERATED LIQUID;

• (c) UN3156, COMPRESSED GAS, OXIDIZING, N.O.S.;

• (d) UN3157, LIQUEFIED GAS, OXIDIZING, N.O.S.