# Radioactive Substances Act 1993, Section 1F: Radionuclides not of natural terrestrial or cosmic origin in background radioactivity


(1) A substance or article is not radioactive material or radioactive waste where—
(a) it is contaminated as a result of a climatic process, or a combination of such processes, by radionuclides which—
(i) are not of natural terrestrial or cosmic origin; and
(ii) are not present in the substance or article at a concentration that exceeds that found normally in such a substance or article in the United Kingdom; and
(b) in the absence of such contamination, the substance or article would not otherwise be radioactive material or radioactive waste under this Act.
(2) In this section, a “climatic process” includes wind, precipitation and the general circulation of the atmosphere and oceans.

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Source: https://www.legislation.gov.uk/ukpga/1993/12/section/1F (the official version)
Page: https://openlegislation.uk/radioactive-substances-act-1993/section-1F
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.