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Created page with "A radioactive source that is not under regulatory control, either because it has never been under regulatory control, or because it has been abandoned, lost, misplaced, stolen..."
A radioactive source that is not under regulatory control, either because it has never been under regulatory control, or because it has been abandoned, lost, misplaced, stolen, or transferred without proper authorisation. ([https://www.iaea.org/resources/safety-standards/safety-glossary IAEA Glossary], 2016)
''[[ICRP Glossary]] entry - May 2019''
''[[ICRP Glossary]] entry - May 2019''