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Management of industrial sites contaminated with radionuclides and stakeholders involvement.


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A. Oudiz, B. Cessac, J. Brenot, J.P. Maigné, P. Santucci. Eurosafe Paris 2001 5/6 novembre.

Résumé

The method to be used for the assessment and management of the radiation risks associated with sites contaminated with radionuclides was recently developed in France at the request of the authorities. The aim is to provide all the stakeholders (administrations, elected representatives, engineering companies, operators, residents' associations and environmental protection organizations) with a guide describing how to proceed. There are six stages: the removal of doubt, the pre-diagnosis, the initial diagnosis, the simplified risk study, the detailed risk study and the assistance in the selection of the remediation strategy. Each stage of risk assessment involves the stakeholders to a greater or lesser degree depending on the complexity of the site in question. The guide outlines the criteria which enable the assessment sequence to be interrupted and the appropriate decisions to be taken. For example, one can stop at the stage of the simplified risk study when the site is small and if it is relatively easy to remove and store the contaminated soil. However, in many cases a detailed risk study will be needed. The selection of the appropriate strategy presupposes the identification of several alternate strategies which must be characterized in terms of reduction of dosimetric impact, reduction of contamination, costs and associated nuisances. The choice of strategy requires the involvement of the stakeholders. The degree of involvement depends of the site’s specific context. The radiological aspect is generally only one of the elements of the choice, and the conditions have to be created to enable the stakeholders to discuss all the relevant aspects in the site’s specific context.