Transportation of Dangerous Goods Regulations

4.19 (1) When dangerous goods included in different primary classes are transported in different compartments of a compartmentalized large means of containment,

• (a) the primary class placard and the UN number for the dangerous goods in each compartment must be displayed on each side of that compartment; and

• (b) each placard and UN number displayed in accordance with paragraph (a) must be displayed on each end of the compartmentalized large means of containment but each specific placard need only be displayed once on each end.

(2) When all compartments in a compartmentalized large means of containment contain dangerous goods included in the same primary class,

• (a) the primary class placard must be displayed on each side and on each end of the compartmentalized large means of containment; and

• (b) the UN number of the dangerous goods in a compartment must be displayed on each side of that compartment and on each end of the compartmentalized large means of containment, except that, if all the dangerous goods are included in Class 3, Flammable Liquids, only the UN number of the dangerous goods with the lowest flash point is required to be displayed on each side and on each end of the compartmentalized large means of containment.

(3) Despite paragraph (2)(b), if a compartmentalized large means of containment contains UN3475, ETHANOL AND GASOLINE MIXTURE, the number “3475” must be displayed, in addition to the UN number — without the prefix “UN” — of the dangerous goods with the lowest flash point, on each side and on each end of the compartmentalized large means of containment.