Volume 48, Number 5, 2013First NERIS Platform Workshop – Preparedness for nuclear and radiological emergency response and recovery: Implementation of ICRP recommendations
|Page(s)||S111 - S116|
|Section||Case studies in national experiences|
|Published online||25 April 2013|
Comparison of the Belgian interventions levels and the new ICRP recommendations for emergency exposures
SCK•CEN, Belgian Nuclear Research Centre, Institute for Environment, Health
and Safety, Boeretang 200, B-2400 Mol, Belgium.
The new recommendations on emergency exposure situations of the International Commission on Radiological Protection (ICRP) advise a reference level for the residual dose in a range of between 20 and 100 mSv effective dose (acute or per year). At the same time, the protection strategy should account for the simultaneous consideration of all the exposure pathways, as well as all of the protective actions. Similarly to other countries, the actual Belgian nuclear emergency plan is based on individual projected doses (thyroid committed dose and total effective doses) and independent protective actions that mainly focus on the early phase of an emergency situation. The two approaches are compared in this study on the basis of the projected and residual dose calculations obtained using JRODOS and the Belgian Noodplan models for different radiological or nuclear accidental scenarios. The comparison has been made by considering separately the early and the late phase contributions. The ingestion dose has been investigated from the predicted deposition values and compared to the single level of the ICRP 109 recommendations.
Key words: Nuclear and radiological emergency / Belgian intervention levels / ICRP 109 recommendations
© EDP Sciences, 2013
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