Transportation of Dangerous Goods Regulations

4.22 (1) In addition to the requirements for placards and UN numbers in section 4.15, the marine pollutant mark must be displayed in the following locations, for dangerous goods that are marine pollutants in transport by vessel:

• (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.

(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 Class 1, Explosives, other than explosives included in Class 1.4, Class 5.2, Organic Peroxides, Class 6.1, Toxic Substances, or Class 7, Radioactive Materials.

(3) The placard and UN number are not required to be displayed for substances identified as marine pollutants in subparagraph 2.43(b)(ii) when the marine pollutant mark is not required to be displayed in accordance with subsection (2).