# The Radioactive Substances (Substances of Low Activity) Exemption Order 1986, Article 2: Exemption from registration under section 1 of the Act


All persons are exempted from registration under section 1 of the Act in respect of the keeping and use on any premises of solid radioactive material, other than a closed source, which is substantially insoluble in water, the activity of which does not exceed 0.4 becquerels per gram of mass.

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Source: https://www.legislation.gov.uk/uksi/1986/1002/article/2 (the official version)
Page: https://openlegislation.uk/radioactive-substances-substances-of-low-activity-exemption-order-1986/article-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.