(1) An authorised person must not introduce, or allow someone else to introduce, within 10m of any place where an explosive mixture is present or is being made—
(a) a source of ignition; or
(b) a flammable liquid or gas or readily combustible substance or material.
(2) Subregulation (1) does not apply to an ignition source needed to fire the charge, if all of the explosive mixture is in a blast hole.
(3) Subregulation (1) (b) does not apply in relation to—
(a) a substance or material that is a component of the mixture being made; or
(b) fuel in the fuel tank of a diesel engine.
(4) In subregulation (1):
"authorised person" means any of the following:
(a) a licensee;
(b) an explosive mixture controller;
(c) a person making the explosive mixture;
(d) a person authorised by someone mentioned in paragraph (a), (b) or (c) to be at premises where the explosive mixture is being made.