reg 6 Exposure assessment
(1) Subject to paragraph (5), the employer must make a suitable and sufficient assessment of the levels of electromagnetic fields to which workers may be exposed. (2) Where regulation 5(1) applies— (a) the assessment must demonstrate whether that regulation is complied with, if necessary through the use of calculations and measurements; and (b) the employer may, in accordance with the Schedule , assess exposure against the ALs in order to determine that specific ELVs are not exceeded. (3) An assessment may take into account— (a) emission information and other safety related data provided by the manufacturer or distributor of equipment; (b) industry standards and guidelines; (c) guidance produced by the European Commission; and (d) guidance produced by the Secretary of State. (4) The employer must review an assessment when— (a) there is reason to suspect it is no longer valid, or (b) there has been a significant change in the matters to which it relates, and make such changes to it as are necessary to ensure it remains suitable and sufficient. (5) Where an employer has made an assessment before the date on which these Regulations come into force, which assessment would have complied with the requirements of this regulation, that employer is to be treated, on and after that date, as having complied with paragraph (1).