1
The following requirements must be complied with in the assessment of consequences required by regulation 5.
The Radiation (Emergency Preparedness and Public Information) Regulations 2019 SCHEDULE 3
2
The assessment must be based on a suitable and sufficient range of source terms representing a range of potential radiation emergencies which might arise from the work with ionising radiation.
3
The calculations undertaken in support of the assessment must consider a range of weather conditions (if weather conditions are capable of affecting the extent of the impact of the radiation emergency) to account for— (a) the likely consequences arising from such conditions; and (b) consequences which are less likely, but with greater impact.
4
The assessment must consider the consequences of the potential radiation emergencies identified in regulation 4 on the population within the geographical extent of the potential radiation emergency, accounting. for different characteristics, including, for example age and other characteristics which would render specific members of the public especially vulnerable.
5
The assessment must consider what would be an effective and, where relevant, equivalent dose to the thyroid in the context of each potential radiation emergency identified.
6
The assessment must include all relevant pathways by which members of the public could be exposed to radiation in the context of each potential radiation emergency identified.
7
The assessment must identify any protective action that may need to be taken for the range of potential radiation emergencies.
8
The assessment must assess the consequences of suitable and sufficient source terms by distance and by exposure pathway, and the distances to which protective action would be required based on the United Kingdom's Emergency Reference Levels, published by the UK Health Security Agency .
8A
If the United Kingdom’s Emergency Reference Levels have not been published by the UK Health Security Agency, the assessment referred to in paragraph 8 must instead be based on the United Kingdom’s Emergency Reference Levels published by Public Health England
9
In this Schedule “ source term ” means the radioactivity which could give rise to direct external exposures from the premises or which could be released to the environment in a radiation emergency and, for releases, includes— (a) the amount of each radionuclide released; (b) the time distribution of the release; (c) the energy associated with atmospheric release; and (d) the likely chemical and physical form of the radionuclides in the release.
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