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Probabilistic accident consequence uncertainty analysis. Dispersion and deposition uncertainty assessment. Vol.3. Appendices C, D, E, F, G (NUREG/CR-6244) (1995)

AuthorUS NRC, CEC
Date1995
Classification 6.01.3.70/56 (NUCLEAR SAFETY - RISK ANALYSES / RISK PERCEPTION)
Front

From the publication:

Preface

This volume is the third of a three-volume document that summarizes a joint 
project conducted by the US Nuclear Regulatory Commission and the Commission of 
European Communities to assess uncertainties in the MACCS and COSYMA probabilistic 
accident consequence codes. These codes were developed primarily for making 
estimates of the risks presented by nuclear reactors based on postulated frequencies 
and magnitudes of potential accidents. This three-volume document reports on an 
ongoing project intended to assess uncertainty in the MACCS and COSYMA offsite 
radiological consequence calculations for hypothetical nuclear power plant accidents. 
A panel of 16 experts was formed to compile credible and traceable uncertainty 
distributions for the dispersion and deposition code input variables that affect 
offsite radiological consequence calculations. The expert judgment elicitation 
procedure and its outcomes are described in these volumes.

Volume III contains six appendices that describe the specific methods used by the 
atmospheric dispersion and deposition panels. This volume includes descriptions 
of the probability assessment principles, the expert identification and selection 
process, the weighting methods used for combining the expert judgments, and 
the inverse modeling methods. It also contains the case structures, a non-Gaussian 
information survey, and summaries of the MACCS and COSYMA consequence 
codes.

Volume I of this document includes a complete description of the joint 
consequence uncertainty study. Volume II contains two appendices that include (1) 
the rationales for the dispersion and deposition data provided by the 16 experts who 
participated in the elicitation process (2) the tabulated elicited information, and 
(3) short biographies of the 16 experts.

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