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Dutch intervention levels for nuclear accidents

Nederlandse interventieniveaus bij kernongevallen : Overzicht, achtergronden en aanbevelingen


The RIVM recommends adjusting Dutch intervention levels for protective actions following nuclear accidents with the aim of bringing them in line with those used in surrounding countries. Intervention levels are those radiation dose levels on which the decisions are based for taking protective measures after nuclear accidents. Such measures include sheltering in appropriate places and evacuation of the affected population. The Dutch Ministry for Ministry of Spatial Planning, Housing and the Environment modified a number of the intervention levels in 2008. This report reviews the current intervention levels and the reasoning underlying these values. The RIVM also presents a number of recommendations for adapting the current terminology, with the aim of clarifying the differences between measures, and for harmonizing the intervention levels. International harmonization of intervention levels is important: countries that use different intervention levels are bound to deploy different measures. This is problematic, especially in border regions. Harmonization of the intervention levels is the first step in reaching a broader international agreement on the basic principles of nuclear emergency preparedness. This report also recommends that other basic principles are harmonized as well, such as the method that is used to determine the size of intervention zones. If the Dutch government decides to bring the intervention levels of the Netherlands in line with those of the surrounding countries, it will be necessary to lower a number of intervention levels currently in place.

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