Interpretation: NORM
3.—(1) In this Order, “NORM waste” means a substance or article which is solid radioactive waste under—
(a)section 1B; or
(b)section 1C, where—
(i)the waste arises from the remediation of land; and
(ii)except where paragraph (2) applies, that land was contaminated by the process described in section 1C.
(2) Land is not contaminated under paragraph (1)(b)(ii) where the land is on a site in respect of which a nuclear site licence is or has been in force and the contamination occurred—
(a)when that licence was in force; or
(b)before that licence was granted, when the site was used for the purpose of installing or operating an installation described in subsection (1) of section 1 (restriction of certain nuclear installations to licensed sites) of the Nuclear Installations Act 1965(1) or in regulations made under that subsection.
(3) In this Order, “NORM waste concentration” means, in respect of radionuclides contained in NORM waste, the sum of the concentrations of the single radionuclide with the highest concentration in each of the natural decay chains beginning with—
(a)U-238;
(b)U-235; and
(c)Th-232.