# Radioactive Substances Act 1993, Section 1D: Radionuclides not of natural terrestrial or cosmic origin


A substance or article which contains one or more radionuclides that are not of natural terrestrial or cosmic origin is radioactive material or radioactive waste where—
(a) it is a solid or a relevant liquid and it has a concentration of radioactivity which exceeds the value specified in column 2 of Table 3; or
(b) it is any other liquid or a gas.

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