Transportation of Dangerous Goods Regulations

4.22 (1) For dangerous goods that are marine pollutants and are in transport by vessel, the marine pollutant mark must be displayed in the following locations:

• (a) on a small means of containment, next to the primary class label for the dangerous goods or, if there is a subsidiary class label, next to the subsidiary class label; and

• (b) on each side and each end of a large means of containment next to the placard that is required to be displayed for the dangerous goods.

(1.1) If the shape or size of the means of containment so requires, each side of the mark may be reduced in length by the same amount, provided that the mark remains legible and that every element required on the mark is reduced proportionally.

(2) The marine pollutant mark is not required to be displayed when marine pollutants are

• (a) on board a road vehicle or railway vehicle on a ro-ro ship; or

• (b) contained in

  • (i) a small means of containment and are in a quantity that is less than or equal to 5 L for a liquid marine pollutant or 5 kg for a solid marine pollutant, or

  • (ii) a large means of containment and

    • (A) are in a quantity that is less than or equal to 500 kg,

    • (B) are transported by vessel on a domestic voyage, and

    • (C) the large means of containment does not contain dangerous goods included in Class 1 — other than Class 1.4 — or in Class 5.2, 6.1 or 7.

(3) The placard and UN number for substances included in Class 9 under subparagraph 2.43(b)(ii) are not required to be displayed if the marine pollutant mark is not required to be displayed under subsection (2).