An employer shall ensure that -
(a) copies of the audiograms contemplated in subparagraphs (2)(a), (b) and (c) are entered into the employee’s record of medical surveillance;
(b) a copy of each audiogram contemplated in subparagraphs (2)(a) and (c) is given to the employee when he
or she leaves the employment of that employer;
(c) new employees provide him or her with their baseline audiograms, exit audiograms or most recent audiograms and the percentage of loss of hearing calculated in accordance with Instruction No. 171; and
(d) in the case of an employee whose percentage loss of hearing has deteriorated by 10% or more since the baseline audiogram was recorded or an employee for whom no baseline audiogram is available but who has a 10% or more loss of hearing that is not obviously due to medical causes, and that has been confirmed by a repeat audiogram -
(i) the relevant health and safety committee or the relevant health and safety representative is informed of
the finding;
(ii) the employee is retrained and re-instructed as contemplated in regulations 4 and 5;
(iii) noise control measures are reassessed; and
(iv) such hearing loss is reported to the provincial director, on form WCL1/2, as contemplated in regulation
6 of the General Administrative Regulations.