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NUREG 0933
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Displaying 51 - 61 of 61
DESCRIPTION Historical Background Large-break loss-of-coolant accidents (LBLOCA) with consequential steam generator tube ruptures (SGTR) was identified as a GSI in a DRPS/RES memorandum [1] on April 28, 1987. The issue surfaced as a result of the proposed …
1
Issue Identification The NRC identified [1] this issue in June 1992 to address an NRC staff members concern, given in a DPO dated December 3, 1991, [2] and modified March 27, 1992, [3] about the potential for a main steamline break (MSLB) accident to …
1
DESCRIPTION To calculate the value of RT PTS as required in 10 CFR 50.61 and 10 CFR 50, Appendix G, licensees must determine the value of the fast neutron fluence on the inside surface of their pressure vessels. Through a number of reviews, NRR found [1] …
1
DESCRIPTION On August 24, 1992, Hurricane Andrew hit south Florida and caused extensive onsite and offsite damage at Turkey Point. Following this hurricane which was classified Category 4, an NRC/industry team was organized to: (1) review the damage …
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DESCRIPTION Historical Background This issue was identified [1] following an NRR request for reconsideration of the safety priority ranking (DROP) of GSI-22, "Inadvertent Boron Dilution Events," based on new information on high burn-up fuel and new …
1
DESCRIPTION Historical Background This issue was identified when it was believed [1] that the validity of steam generator (SG) tube leak and rupture analyses could be affected by resonance vibrations in steam generator tubes during steam line break …
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DESCRIPTION Historical Background This generic issue was proposed [1] in response to SECY-00-198 [2] which explored means of risk informing 10 CFR 50.44. As a part of this effort, the paper recommended that safety enhancements that have the potential to …
1
EXECUTIVE SUMMARY The issue of potential blockage in the containment sumps was first identified in Unresolved Safety Issue (USI) A-43, "Containment Emergency Sump Performance." It identified a concern for the availability of adequate recirculation cooling …
1
DESCRIPTION Historical Background This issue was initiated [1] in response to a recommendation in the screening analysis of Generic Issue (A) I-195, "Potential Hydrogen Combustion in BWR Piping." GI-195 investigated the potential safety …
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Note: Due to the sensitive nature of some information in this analysis, redactions are necessary in this public version. The Nuclear Regulatory Commission (NRC) has coordinated with other Federal agencies (Department of Homeland Security, Federal Energy …
1
Note: Due to the sensitive nature of some information in this analysis, redactions are necessary in this public version. The Nuclear Regulatory Commission (NRC) has coordinated with other Federal agencies (Department of Homeland Security, Federal Energy …
1
Page Last Reviewed/Updated 3/1/2026
Disclaimer: Some of the formatting in NUREG-0933 may not be correct. We are currently working on fixing the formatting.