An Analysis of the Portfolio of Sites to Characterize for Selecting a Nuclear Repository

Ralph L. Keeney

Risk Analysis, 1987, vol. 7, issue 2, 195-218

Abstract: The U.S. Department of Energy has selected three sites, from five nominated, to characterize for a nuclear repository to permanently dispose of nuclear waste. This decision was made without the benefit of an analysis of this “portfolio” problem. This paper analyzes different portfolios of three sites for simultaneous characterization and strategies for sequential characterization. Characterization of each site, which involves significant subsurface excavation, is now estimated to cost $1 billion. Mainly because of the high characterization costs, sequential characterization strategies are identified which are the equivalent of $1.7–2.0 billion less expensive than the selected DOE simultaneous characterization of the three sites. If three sites are simultaneously characterized, one portfolio is estimated to be the equivalent of $100–400 million better than the selected DOE portfolio. Because of these potential savings and several other complicating factors that may influence the relative desirability of characterization strategies, a thorough analysis of characterization strategies that addresses the likelihood of finding disqualifying conditions during site characterization, uncertainties, and dependencies in forecast site repository costs, preclosure and postclosure health and safety impacts, potential delays of both sequential and simultaneous characterization strategies, and the environmental, socioeconomic, and health and safety impacts of characterization activities is recommended.

Date: 1987
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Citations: View citations in EconPapers (10)

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https://doi.org/10.1111/j.1539-6924.1987.tb00982.x

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Persistent link: https://EconPapers.repec.org/RePEc:wly:riskan:v:7:y:1987:i:2:p:195-218

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