# The Quarries (Explosives) Regulations 1988, Regulation 9: Exploders


(1) The manager shall ensure that no exploder is used at a quarry unless it is one which can only be operated by means of a removable handle or key.
(2) A shotfirer at a quarry who is to fire a shot or supervise the firing of a shot shall—
(a) not place the removable handle or key in position in the exploder until he is about to use the exploder to test the circuit or fire a shot;
(b) withdraw the removable handle or key from the exploder immediately after the operation of the exploder or an unsatisfactory test on the firing circuit; and
(c) keep the removable handle or key in his personal possession throughout his period of duty.
(3) The manager shall ensure that all duplicate removable handles and keys are kept in a secure place.

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Source: https://www.legislation.gov.uk/uksi/1988/1930/regulation/9 (the official version)
Page: https://openlegislation.uk/quarries-explosives-regulations-1988/regulation-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.