An employer must-
- whenever an incident involving explosives occurs inform the explosives manager and communicate with the chief inspector of occupational health and safety, and shall confirm this report in writing stating full particulars of the incident within seven days of the incident; and
- where there was a possibility of risk to the health and safety of persons, whether or not persons or property sustained injury or damage as a result, inform the chief inspector of occupational health and safety in writing
every month of incidents involving the accidental ignition or detonation of explosives or a danger of such
accidental ignition or detonation.