S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Section 403 Disposition versions

2012-09-01

403. Only explosives or a set of explosives producing Class I fumes, in accordance with the classification of the Department of Energy, Mines and Resources of Canada, published in the Supplement to the Canada Gazette, Part I dated 30 March 1991, and entitled Explosives and Blasting Accessories and Associated Products, may be used in an underground mine unless:

(1)  the mine is evacuated before the blast;

(2)  the air quality of the mine satisfies the standards of section 41 of the Regulation respecting occupational health and safety (chapter S-2.1, r. 13) before allowing workers access to it.

Likewise, explosives of a type other than that producing Class I fumes may be used during work to control the overbreak of the walls of underground openings.

Notwithstanding the foregoing, it is prohibited to use dynamite when its temperature is equal to or below its freezing point.

O.C. 213-93, s. 403; O.C. 885-2001, s. 382.