Exemption guidance, small amounts of open radioactive sources, Radioactive Substances Act 1993, The Environmental Permitting (England and Wales) (Amendment) Regulations 2011 /
Northern Ireland Environment Agency.
Great Britain.Environment Agency.
Scottish Environment Protection Agency.
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Description from online resource; title from PDF cover (Scottish Environment Protection Agency, viewed 15 December 2020)
Radioactive substances
Radioactive waste disposal