219Precautions after blast

219 Precautions after blast After blasting has been carried out at a blasting site— (a) no-one may enter the blasting site until the shot-firer, or a person authorised by the shot-firer, is satisfied that any fumes and toxic gases created by the explosion are at safe levels; and (b) before any further work is carried out at the site, the site must be carefully inspected for the presence of unfired or misfired

(c) drilling must not be undertaken at the site until— (i) the whole site has been thoroughly washed down, if necessary; and (ii) all butts have been carefully inspected and, if necessary, thoroughly washed and cleaned; and (iii) any misfire has been treated as required by division 2.9.11 (Misfire precautions).