Nuclear Regulatory Commission (NRC): Natural Hazard Assessments Could Be More Risk-Informed

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Our Price: $25.00

By Franklin W. Rusco (au)
Year: 2012
Pages: 54
Binding Paperback
ISBN 978-1-4578-3320-5

Product Code: 1457833204

Description

On March 11, 2011, an earthquake triggered a tsunami wave that exceeded the seawall at Japanäó»s Fukushima Daiichi nuclear power plant, leading to the release of radioactive material into the environment. The disaster raised questions about the threats that natural hazards, such as earthquakes and floods, may pose to U.S. commercial nuclear power reactors. The U.S. Nuclear Regulatory Comm. (NRC) licenses and regulates U.S. nuclear power reactors. NRC criteria for licensees to assess natural hazards were developed using an approach that required reactors to be designed according to a set of potential accidents using deterministic analysis. Since the 1990s, NRC has been encouraging the use of probabilistic risk assessment (PRA) as part of a risk-informed, performance-based approach. This report (1) determines the extent to which PRA is applied to natural hazards at operating U.S. reactors and (2) describes expert views on and suggested changes, if any, to NRC processes for assessing natural hazards at such reactors. Tables and figure. This is a print on demand report.

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