This paper is dealing with the uncertainty of dose assessments, due to the variability of transfer parameter values. Committed effective dose equivalents from the discharge of the liquid effluents of a nuclear waste treatment facility into a river are being considered. The radionuclides in those effluents, contributing most to the doses, include Cs-137, Co-60, Sr-90 and I-131. The value ranges of the transfer parameters, to which the dose assessment is very sensitive, have been derived from the literature.The median values and the uncertainty ranges (95 % confidence interval) of the doses are calculated, following a Latin Hypercube sampling procedure of the parameter values. The parameters, which contribute most to the dose uncertainty are identified and the influence of the introduction of site-specific values of these parameters on the uncertainty ranges is shown.
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- Dose Assessment and Uncertainty with Respect to Liquid Effluent Discharges
C. M. Vandecasteele
- Springer Netherlands