(1) In this regulation black powder means propellant powder with classification code 1.1D under the Australian Dangerous Goods Code;blasting explosive means an explosive of the kind typically used for blasting in connection with mining, quarrying, road construction and building demolition or similar works;detonator means a detonator within the meaning of the Australian Explosives Code;distress signal means a flare, rocket or other pyrotechnic device intended for signalling, warning, rescue or like purposes;flare includes marine flare, landing flare and railway or highway safety flare (fusee);special explosive device means a smoke generator, bird scarer or similar device;specialised rocket means an avalanche rocket, cloud-seeding rocket, anti-hail rocket, line-carrying rocket, scientific research rocket or any similar kind of rocket (other than a distress signal).(2) For the purposes of section 25(1) of the Act, the prescribed quantity for explosives (considered in aggregate, regardless of class, kind or combination) is 25 kilograms.(3) For the purposes of section 25(3) of the Act, the prescribed quantity is (a) 200 kilograms of any (or any combination) of the following:(i) blasting explosives;(ii) Type 2 fireworks;(iii) Type 3 fireworks; or(b) 100 kilograms of any (or any combination) of the following:(i) propellant;(ii) black powder;(iii) safety cartridges; or(c) 500 detonators; or(d) 50 kilograms of any (or any combination) of the following:(i) distress signals;(ii) special explosive devices;(iii) specialised rockets.