(1) This order may be cited as the Radioactive Substances (Luminous Articles) Exemption Order 1985, and shall come into operation on 17th September 1985.
(2) This order applies to England, Wales and Scotland.
(3) In this order—
“ the Act ” means the Radioactive Substances Act 1960;
“ activity ”, expressed in becquerels, means the number of spontaneous nuclear transformations occurring in a period of one second in a radioactive substance;
“ Class A article ” means an instrument, illuminant or indicator which is luminous and satisfies the following criteria:—
it is radioactive material solely because it is made wholly or partly from, or incorporates, a luminescent substance which,—
is substantially insoluble in water;
is in the form of a film or a paint of such a nature and so applied as to adhere, in normal usage, to any surface to which it has been applied; and
includes no radionuclides other than promethium 147 or tritium or decay products thereof; and
the number of becquerels of activity of a radionuclide and its decay products contained in the luminescent substance from which it is made or which is incorporated in it does not exceed the relevant number specified in column 2 of the Schedule hereto:
“ Class B article ” means a component of a clock, watch, instrument, illuminant or indicator which satisfies the two criteria set out in the preceding definition of a Class A article;
“ decay products ” means , in relation to any radionuclide, the radionuclides succeeding it in the radioactive series in which it and they occur;
“ luminous radioactive waste ” means radioactive waste which is, at the time of its disposal, solid and—
which, immediately before it became waste, was radioactive material in the form of a Class A or Class B article or part of such an article (whether or not incorporated in some other article); or
which consists of waste which is radioactive waste solely because it has been contaminated by contact with, or proximity to, a Class A or Class B source or other waste which is radioactive waste because it has been so contaminated; and
“ waste collection authority ” and “ waste disposal authority ” mean respectively, collection and disposal authorities within the meaning of section 30 of the Control of Pollution Act 1974.