536Operators of certain facilities must notify regulator

536 Operators of certain facilities must notify regulator (1) The operator of a facility at which Schedule 15 chemicals are present or likely to be present in a quantity that exceeds 10% of their threshold quantity must notify the regulator of this circumstance in accordance with this Part. (2) Notification must be given: (a) as soon as practicable (but not more than 3 months) after the operator becomes aware, or ought reasonably to have become aware, of the circumstance giving rise to the requirement to notify; or (b) within any longer period that the regulator determines if satisfied on application by the operator that there is a reasonable excuse for the delayed notification. Note for regulation 536