9. The Quarries Regulations 1999(1) shall be amended—
(a)in regulation 2(1), by substituting for the definition of “explosives” the following definitions—
“explosive article” means an article containing one or more explosive substances;
“explosive substance” means—
a solid or liquid substance; or
a mixture of solid or liquid substances or both, which is capable by chemical reaction in itself of producing gas at such a temperature and pressure and at such a speed as could cause damage to surroundings or which is designed to produce an effect by heat, light, sound, gas or smoke or a combination of these as a result of non-detonative self-sustaining exothermic chemical reactions;
“explosives” means explosive articles or explosive substances;
in regulation 33(4) by substituting, for the word “undertaken”, the word “completed”;
in regulation 45(4) by substituting, for the word “(2)”, the word “(3)”.