/Docs/G/Org-IAEA-Safety-GSR3-CmA/Sec/5_Existing_0.md
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Exposure due to contamination of areas by residual radioactive material deriving from:

1. Past activities that were never subject to regulatory control or that were subject to regulatory control but not in accordance with the requirements of these Standards;
2. A nuclear or radiological emergency, after an emergency has been declared to be ended (as required in para. 4.20).