Where an assessment of noise exposure or a review of such assessment indicates that any employee may be exposed to noise at or above the noise-rating limit, an employer contemplated in regulation 2 shall ensure that a
measurement programme of noise exposure at that workplace is-
(a) carried out in accordance with the provisions of these regulations;
(b) carried out only after the relevant health and safety representative or relevant health and safety committee
has been informed thereof and given a reasonable period, as mutually agreed upon, to comment thereon;
(c) carried out by an approved noise inspection authority; and
(d) representative of the employees’ exposure to noise, in accordance with subregulation (2).