Hazardous Products Regulations

Marginal note:Definitions

8.1 The following definitions apply in this Subpart.

acute toxicant

acute toxicant means a mixture or substance that is liable to cause acute toxicity, or a mixture or substance that, upon contact with water, releases a gaseous substance that is liable to cause acute toxicity. (toxique aigu)

acute toxicity

acute toxicity refers to adverse effects occurring following

• (a) oral or dermal administration of a single dose of a mixture or substance, or multiple doses given within 24 hours; or

• (b) an inhalation exposure to a mixture or substance of four hours or of a duration that is converted to four hours in accordance with subsection 8.1.1(4). (toxicité aiguë)

dust

dust means solid particles that are suspended in a gas, usually air. (poussières)

mist

mist means liquid droplets that are suspended in the air. (brouillard)