Application
3.—(1) Subject to the provisions of this regulation and to regulation 5(1), these Regulations shall apply to—
(a)any practice; and
(b)any work (other than a practice) carried on in an atmosphere containing radon 222 gas at an annual average activity concentration in air exceeding 300 Bq m-3.
(2) The following regulations shall not apply where the only work being undertaken is that referred to in paragraph 1(b), namely regulations 24, 28 to 31, 33 and 34.
(3) The following regulations shall not apply in relation to persons undergoing medical exposures, namely regulations 8, 9, 12, 17 to 19, 24, 26, 32(1) and 35(1).
(4) Regulation 12 does not apply in relation to carers and comforters.
(5) In the case of a classified outside worker (working in a controlled area situated in Northern Ireland) employed by an employer established in Great Britain or in another member State, it is sufficient compliance with regulation 22 (dose assessment and recording) and regulation 25 (medical surveillance) if the employer complies with—
(a)where the employer is established in Great Britain, regulations 22 and 25 of the Great Britain Regulations or any other provision made for the purpose of implementing the relevant parts of Chapter VI of the Directive in Great Britain; or
(b)where the employer is established in another member State, the legislation in that State implementing the relevant parts of Chapter VI of the Directive where such legislation exists.