Estimation of Health Hazards Resulting from a Radiological Terrorist Attack in Urban Cities



In recent years, the concern for protection of urban populations against terror attacks involving radiological, biological or chemical substances has attracted increasing attention. This sets new demands to decision support and consequence assessment tools, where the focus has traditionally been on accidental exposure.


This paper is aimed at illustrating issues that need to be considered in evaluating the radiological consequences of a ‘dirty bomb’ explosion. This is done through a worked example of simplified calculations of relative dose contributions for a specific ‘dirty bomb’ scenario leading to atmospheric dispersion of Sr-90 contamination over a city area. Also the requirements of atmospheric dispersion models for such scenarios are discussed.


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