20.—(1) Every employer who analyses a sample of any material to determine whether it contains asbestos shall ensure that he meets criteria equivalent to those set out in the paragraphs of ISO 17025 which cover organisation, quality systems, control of records, personnel, accommodation and environmental conditions, test and calibration methods, method validation, equipment, handling of test and calibration items and reporting results.
(2) Every employer who requests a person to analyse a sample of any material to determine whether it contains asbestos shall ensure that that person is accredited by an appropriate body as complying with ISO 17025.