7. In the event of a misfire the operator shall consult the individual appointed under regulation 8(1)(c) of the Quarries Regulations (Northern Ireland) 2006 (if this is not the same person) and shall ensure, so far as is reasonably practicable, that—
(a)apart from himself, no person other than the Explosives Supervisor, shotfirer, trainee shotfirer or any other person authorised by him enters the danger area until a period of five minutes has elapsed since the misfire and any shotfiring apparatus has been disconnected from the shot;
(b)appropriate steps are taken to determine the cause of and to deal with the misfire;
(c)a suitable record is kept of the misfire for at least three years; and
(d)appropriate steps are taken to prevent theft of the explosives and detonators or their initiation by an unauthorised person.