21.—(1) Every employer who analyses a sample of any material to determine whether it contains asbestos shall ensure that 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 are met.
(2) Every employer who requests a person to analyse a sample of any material taken to determine whether it contains asbestos shall ensure that that person is accredited by an appropriate body as competent to perform work in compliance with ISO 17025.
(3) Paragraphs (1) and (2) shall not apply to work carried out in a laboratory for the purposes only of research.