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The international nuclear event scale is used to communicate the safety significance of nuclear and radiological events to the public.
The International Nuclear and Radiological Event Scale (INES) is a seven point scale, with Level 1 being the least significant, and Level 7 the most significant. Where an event is classified as Level 0 or ‘below scale’, this means it has no nuclear or radiological safety significance.
INES classifies nuclear and radiological accidents and incidents by considering three areas of impact:
Information on recent events and their INES rating is available from IAEA NEWS service.
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