Considerations in relation to off-site emergency procedures and response for nuclear accidents

Ashley, S. F.; Vaughan, G. J.; Nuttall, W. J. and Thomas, P. J. (2017). Considerations in relation to off-site emergency procedures and response for nuclear accidents. Process Safety and Environmental Protection, 112(A) pp. 77–95.

DOI: https://doi.org/10.1016/j.psep.2017.08.031

Abstract

The operation of nuclear facilities has, fortunately, not led to many accidents with off-site consequences. However, it is well-recognised that should a large release of radioactivity occur, the effects in the surrounding area and population will be significant. These effects can be mitigated by developing emergency preparedness and response plans prior to the operation of the nuclear facility that can be exercised regularly and implemented if an accident occurs. This review paper details the various stages of a nuclear accident and the corresponding aspects of an emergency preparedness plan that are relevant to these stages, both from a UK and international perspective. The paper also details how certain aspects of emergency preparedness have been affected by the accident at Fukushima Dai-ichi and as a point of comparison how emergency management plans were implemented following the accidents at Three Mile Island 2 and Chernobyl. In addition, the UK’s economic costing model for nuclear accidents COCO-2, and the UK’s Level-3 Probabilistic Safety Assessment code “PACE” are introduced. Finally, the factors that affect the economic impact of a nuclear accident, especially from a UK standpoint, are described.

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