Transportation of Dangerous Goods Regulations

4.8 (1) A placard must be square and must be displayed on a means of containment, in the same orientation as it appears in the appendix to this Part, relative to the bottom of the means of containment, so that the square is on point if the means of containment is upright.

(2) Each side of a placard must be at least 250 mm in length and, except for the DANGER placard and a Class 7 placard, have a line running approximately 12.5 mm inside the edge.

(3) Each side of a Class 7 placard must have a line running approximately 5 mm inside the edge.

(4) Despite subsection (2), except for a Class 7 placard, each side of a placard may be reduced in length to not less than 100 mm if the placard would not be visible, because of the shape or size of the means of containment, from the same viewpoint as the other dangerous goods marks required to be displayed on the means of containment by this Part.

(5) If each side of a placard is reduced in length under subsection (4), every element required on that placard must be reduced proportionally.

(6) Except for a Class 7 placard, a person may include text on a placard that describes the danger that the dangerous goods pose and that is illustrated on that placard if

• (a) the text is located under the symbol or, in the case of a placard for Class 1.4, 1.5 or 1.6, under the class number illustrated in the top corner;

• (b) the text, if it is in a language other than English or French, includes a translation in English or French; and

• (c) the text and the translation, if any, does not obscure any symbol or other text on the placard.