Transportation of Dangerous Goods Regulations

4.23 A person must not import, offer for transport, handle or transport dangerous goods that are included in Class 6.1, Toxic Substances, in accordance with paragraph 2.28(c) of Part 2 (Classification) or Class 2.3, Toxic Gases, in accordance with paragraph 2.14(c) of Part 2 (Classification), unless the words “inhalation hazard” or “dangereux par inhalation” are displayed

• (a) in the case of a small means of containment, in letters at least 12 mm high, next to the shipping name, unless these words are already part of the shipping name; and

• (b) in the case of a large means of containment, on two opposite sides of the large means of containment, in addition to any placard or placard and UN number required by this Part, in letters

  • (i) at least 6 mm wide and 100 mm high in the case of a tank car,

  • (ii) at least 4 mm wide and 25 mm high in the case of a portable tank or an intermediate bulk container (IBC), and

  • (iii) at least 6 mm wide and 50 mm high in the case of all other large means of containment.