Preclosure radiological safety analysis for accident conditions of the potential Yucca Mountain Repository: Underground facilities; Yucca Mountain Site Characterization Project

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Description

This preliminary preclosure radiological safety analysis assesses the scenarios, probabilities, and potential radiological consequences associated with postulated accidents in the underground facility of the potential Yucca Mountain repository. The analysis follows a probabilistic-risk-assessment approach. Twenty-one event trees resulting in 129 accident scenarios are developed. Most of the scenarios have estimated annual probabilities ranging from 10{sup {minus}11}/yr to 10{sup {minus}5}/yr. The study identifies 33 scenarios that could result in offsite doses over 50 mrem and that have annual probabilities greater than 10{sup {minus}9}/yr. The largest offsite dose is calculated to be 220 mrem, which is less than the 500 mrem value ... continued below

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158 p.

Creation Information

Ma, C.W.; Sit, R.C.; Zavoshy, S.J.; Jardine, L.J. & Laub, T.W. June 1, 1992.

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Description

This preliminary preclosure radiological safety analysis assesses the scenarios, probabilities, and potential radiological consequences associated with postulated accidents in the underground facility of the potential Yucca Mountain repository. The analysis follows a probabilistic-risk-assessment approach. Twenty-one event trees resulting in 129 accident scenarios are developed. Most of the scenarios have estimated annual probabilities ranging from 10{sup {minus}11}/yr to 10{sup {minus}5}/yr. The study identifies 33 scenarios that could result in offsite doses over 50 mrem and that have annual probabilities greater than 10{sup {minus}9}/yr. The largest offsite dose is calculated to be 220 mrem, which is less than the 500 mrem value used to define items important to safety in 10 CFR 60. The study does not address an estimate of uncertainties, therefore conclusions or decisions made as a result of this report should be made with caution.

Physical Description

158 p.

Notes

INIS; OSTI as DE92017362

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  • Other Information: PBD: Jun 1992

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  • Other: DE92017362
  • Report No.: SAND--88-7061
  • Grant Number: AC04-76DP00789
  • DOI: 10.2172/140766 | External Link
  • Office of Scientific & Technical Information Report Number: 140766
  • Archival Resource Key: ark:/67531/metadc620003

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  • June 1, 1992

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 14, 2016, 9:30 p.m.

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Ma, C.W.; Sit, R.C.; Zavoshy, S.J.; Jardine, L.J. & Laub, T.W. Preclosure radiological safety analysis for accident conditions of the potential Yucca Mountain Repository: Underground facilities; Yucca Mountain Site Characterization Project, report, June 1, 1992; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc620003/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.