exposition prolongée

OBS: Source : Règlement concernant les produits contrôlés (Loi sur les produits dangereux).

CONT: ""chronic toxic effect"" means an adverse effect to the health of a person or test animal that develops (a) over time, following a single exposure to a toxic substance, or (b) from prolonged or repeated exposure to a toxic substance under conditions that do not produce that effect from a single exposure.