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Safety assessment of accident radiological releases: a study performed for the conceptual design of a geologic repository at Yucca Mountain, Nevada

Journal Article · · Nuclear Safety
OSTI ID:60014
The Nevada Nuclear Waste Storage Investigations Project is conducting studies to determine the suitability of Yucca Mountain as a site for a high-level radioactive-waste repository. In support of the conceptual design, a preliminary analysis identified events that could cause radiological releases from the surface facilities during the operating period. The consequences of the releases, which were modeled as short-duration release plumes dispersed under averaged climatic conditions, were calculated by using the AIRDOS-EPA code as 50-yr integrated dose commitments to the surrounding population. Possible health effects were estimated by using the BEIR III dose-health-effect relationship. In none of the scenarios devised could the health effects in the general public be distinguished from the effects of background radiation. The risk to the general public from each event was also assessed. First-year total-body dose commitments to the maximally exposed member of the public from each event were calculated by using the ALLDOS code conversion factors. All postulated accidents resulted in individual dose commitments lower than the limit of 0.5 rem per accident set by the Nuclear Regulatory Commission.
Research Organization:
Sandia National Labs., Albuquerque, NM
OSTI ID:
60014
Journal Information:
Nuclear Safety, Journal Name: Nuclear Safety Journal Issue: 4 Vol. 26; ISSN 0029-5604; ISSN NUSAAZ
Country of Publication:
United States
Language:
English