Ionising Radiations Regulations 2017 (IRR17) Guidance - Part 2 - General Principles and Procedures

Part 2 of the IRR17 covers the key principles of radiation protection including risk assessment, restriction of exposure, maintenance of engineering controls, dose limitation (dose limits) and contingency. Regulations (5)-(7) of IRR17 introduce a new regime for informing HSE about work with ionising radiation namely notification (low risk), registration (medium risk) and consent (highest risk).

The definition of 'safe' is not strictly an engineering term; it's a societal term. Does it mean absolutely no loss of life? Does it mean absolutely no contamination with radiation? What exactly does 'safe' mean?

– Henry Petroski -