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This report summarizes the results of a comprehensive study of the radiological impact of radioactive discharges into the Meuse basin, carried out for the Commission of the European Communities in response to a recommendation of the Group of Experts referred to in Article 37 of the Euratom Treaty. The ad hoc Committee set up by the Commission collected, checked and compiled information regarding the quantities and nature of radioactive discharges into the Meuse and its tributaries, the results of activity measurements and the utilization of the water, sediments and produce of the river. The Committee also devised a model adopted for evaluating the radiological consequences of the discharges using the aforementioned data as input. The dose assessment covered 23 pathways and 15 radionuclides. Concentrations of the latter in 30 different media have first been computed and compared with measured values in order to assess the importance of the contributions from the various discharge sources relative to those of primordial, cosmogenic, and nuclear weapons fallout origin. The doses to members of critical groups and to populations were subsequently calculated. The highest individual dose to a member of a hypothetical group is 8.1x10**-5 Sv/a. The collective dose is estimated at 1.4 manSv/a from all sources of civilian origin and at 12 manSv/a from nuclear weapons tests and from natural origin. To gain an insight into the importance of the various parameters, an analysis of the sensitivity of the model predictions to selected perturbations of these parameters has been carried out. Despite the inescapable difficulties inherent in this form of assessment, important conclusions have been drawn from it and a number of recommendations made.

Additional information

Bibliographic Reference: EUR 10670 EN (1986) FS, 160 P., BFR 550, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
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