15.—(1) Every employer shall take adequate steps to monitor the exposure of his employees to asbestos where such monitoring is appropriate for the protection of the health of those employees.
(2) The employer shall keep a suitable record of any monitoring carried out in accordance with paragraph (1) and that record or a suitable summary thereof shall be kept—
(a)in a case where exposure is such that a health record is required to be kept under regulation 16, for at least 30 years;
(b)in any other case, for at least five years.