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ECN publicatie:
Titel:
Construction of a case for expert judgement of uncertainty in early health effects models
 
Auteur(s):
Grupa, J.B.
 
Gepubliceerd door: Publicatie datum:
ECN NUCLEAIR 1997
 
ECN publicatienummer: Publicatie type:
ECN-RX--97-058 Artikel wetenschap tijdschrift
 
Aantal pagina's:
21  

Gepubliceerd in: Contribution to the COSYMA user group meeting, 23-24 Sep. 1997, Prague (), , , Vol., p.-.

Samenvatting:
The contribution of ECN to a joint study of the European Commission (EC)and the US Nuclear Regulatory Commission (NRC), in which the uncertainty in risks and consequences of severe accidents at nuclear power plants are evaluated, is described. The procedure used to obtain these uncertainties is called expert judgement. In a formal expert judgement procedure a panel of experts has provided quantitative information about the uncertainty in given observables: a quantity that describes an observation concerning the phenomenon of interest, in this paper the relation between dose and health effects, without information or assumptions about any model describing this phenomenon. The observables are defined in a case structure, a questionnaire provided to all experts. ECN has contributed to the selection of the experts for the early health effects panel, and provided assistance for drafting the case structure for this panel. This paper describes the radiological information provided by ECN and the analyses necessary for constructing the case structure. The deliverables of the expert elicitation are uncertainty distributions of the observables requested in the case structure. The results are intended to be unbiased, i.e. it should be applicable to any model describing the relation between dose and health effects. They will be published by the project team in a joint publication of the NRC and the EC. In this way the resulting uncertainty distributions are available for further work in the joint project and available to a more general public. 2 figs., 4 refs.


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