Ionising Radiation (Medical Exposure) Regulations (IR(ME)R)

Page last updated: 20 September 2023

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Criteria for making a notification

The following tables detail the criteria for notifying the appropriate enforcing authority of a significant accidental or unintended exposure.

Notes: As well as the changes to criteria, we have improved the layout of the table to make the footnotes easier to read.

In England only, there are age-related dose thresholds for notifications of accidental exposures.