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Application of Total Uncertainty Theory in Radioactive Waste Disposal Facilities Safety Assessment

[+] Author Affiliations
Francisco Luiz de Lemos

CMEM - National Nuclear Energy Commission, Belo Horizonte, Brazil

Timothy Ross

University of New Mexico, Albuquerque, NM

Terry Sullivan

Brookhaven National Laboratory, Upton, NY

Paper No. ICEM2007-7266, pp. 513-516; 4 pages
  • The 11th International Conference on Environmental Remediation and Radioactive Waste Management
  • 11th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B
  • Bruges, Belgium, September 2–6, 2007
  • Conference Sponsors: Nuclear Division and Environmental Engineering Division
  • ISBN: 978-0-7918-4339-0 | eISBN: 0-7918-3818-8
  • Copyright © 2007 by ASME


Safety assessment requires the interaction of a large number of disciplines to model the environmental phenomena necessary to evaluate the safety of the disposal system. In this complex process, the identification and quantification of both types of uncertainties, random and epistemic, plays a very important role for confidence building. In this work an application of the concept of total uncertainty to radioactive waste disposal facilities safety assessment is proposed. By combining both types of uncertainty, aleatoric and epistemic, in the same framework, this approach ultimately aims to assess the confidence one can pose in the safety-assessment decisions.

Copyright © 2007 by ASME



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