(1) In this part, a
"major incident" at a major hazard facility is an occurrence that—(a) results from an uncontrolled event at the major hazard facility involving, or potentially involving, schedule 15 chemicals; and(b) exposes a person to a serious risk to health or safety emanating from an immediate or imminent exposure to the occurrence.
(2) Without limiting subsection (1) , an
"occurrence" includes—(a) escape, spillage or leakage; or(b) implosion, explosion or fire.