Application
3.—(1) Subject to the provisions of this regulation and to regulation 5(1), these Regulations 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 do 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 do 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 Great Britain) employed by an employer established in Northern Ireland 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 Northern Ireland, regulations 21 and 24 of the Ionising Radiations Regulations (Northern Ireland) 2000(1) or any other provision made for the purpose of implementing the relevant parts of Chapter VI of the Directive in Northern Ireland; 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.
S.R. (NI) 2000 No 375.