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An Approach for Estimating the Frequencies of Various Containment Failure Modes and Bypass Events (NUREG/CR-6595, Rev. 1)On this page: Download complete document The following links on this page are to documents in Adobe Portable Document Format (PDF). See our Plugins, Viewers, and Other Tools page for more information. For successful viewing of PDF documents on our site please be sure to use the latest version of Adobe. Publication InformationOriginal Manuscript Completed: July 1998 Prepared by Brookhaven National Laboratory Prepared for AbstractThis report is Revision 1 of NUREG/CR-6595, “An Approach for Estimating the Frequencies of Various Containment Failure Modes and Bypass Events,” which the U.S. Nuclear Regulatory Commission (NRC) published in January 1999. The focus of the report is to provide a simplified approach for using a probabilistic risk assessment to estimate the frequency of containment failure and bypass events that result in radioactive releases to the environment with the potential for causing early fatalities. The approach uses the large, early release frequency (LERF) as a measure of the risk of early fatality. This revision of NUREG/CR-6595 updates the guidance for full-power operation and provides additional guidance for estimating LERF under low power and shutdown conditions. The NRC staff issued a draft of this report for comment in August, 2003, and has appropriately addressed comments received in preparing the final report. The full power analyses in this revision reflect information gained from recent containment studies and the individual plant examination studies. The guidance provided in this revision is intended to encompass the likelihood of containment failure for most nuclear power plants. |
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