In order to comply with subregulation (1) an employer or self-employed person shall, as far as is reasonably practicable, reduce exposure to noise by implementing noise control measures in the following order of priority:
(a) Engineering control measures to eliminate or reduce noise at its source, or the modification of the routes by which noise reaches workplaces;
(b) administrative control measures to limit the number of persons exposed and the duration of exposure; and
(c) the use of hearing protective equipment if engineering and administrative control measures fail to reduce exposure below the noise-rating limit.