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 Issue dateTitleTopic
ML21312A4785 November 2021NRC Staff Preliminary Questions Regarding X Energy LLC Xe-100 Topical Report: Risk-Informed Performance-Based Licensing Basis DevelopmentProbabilistic Risk Assessment
High Energy Line Break
Turbine Missile
W3F1-2021-0051, Revised Licensing Technical Report for the Common Q Core Protection Calculator System - License Amendment Request to Implement a Digital Upgrade to the Core Protection Calculator System and Control Element Assembly Calculator19 July 2021Revised Licensing Technical Report for the Common Q Core Protection Calculator System - License Amendment Request to Implement a Digital Upgrade to the Core Protection Calculator System and Control Element Assembly CalculatorSafe Shutdown
Anticipated operational occurrence
Commercial Grade Dedication
Post Accident Monitoring
Cyber Security
B.5.b
Surveillance Frequency Control Program
Process Control Program
Commercial Grade
Fuel cladding
Affidavit
ML18085B04431 October 2016APR1400-K-Q-TR-11005-NP-A, Revision 2, KHNP Quality Assurance Program Description (QAPD) for the APR1400 Design Certification.Safe Shutdown Earthquake
Condition Adverse to Quality
Grace period
ML15300A21422 October 2015WCAP-18051-NP, Rev. 0, Palo Verde, Unit 3, Reactor Coolant Pump 2A Suction Safe End Instrumentation Nozzle Half-Nozzle Repair Evaluation.Safe Shutdown Earthquake
Hydrostatic
Finite Element Analysis
Stress corrosion cracking
Code Reconciliation
License Renewal
Affidavit
ML15336A08330 September 2015WCAP-18030-NP, Revision 0, Criticality Safety Analysis for Palo Verde Nuclear Generating Station, Units 1, 2, and 3.Non-Destructive Examination
Earthquake
Fuel cladding
ML15170A37818 June 2015PWROG-15039-NP, Revision 0, Waterford Unit 3 Summary Report for the Fuel Design / Fuel Management Assessments to Demonstrate MRP-227-A Applicability.Aging Management
Power change
ML15170A37918 June 2015PWROG-15054-NP, Revision 1, Waterford, Unit 3, RAI Response for Applicant Action Items 1, 2, and 7.Aging Management
ML14022A05514 January 2014WCAP-17679-NP, Supplement 1, Revision 0, Near-Term Task Force Recommendation 2.3 Seismic Walkdown Submittal Report for Palo Verde Nuclear Generating Station Unit 1 - Supplemental Information.Safe Shutdown
Unanalyzed Condition
Ultimate heat sink
Safe Shutdown Earthquake
Probabilistic Risk Assessment
Operating Basis Earthquake
Emergency Lighting
Fukushima Dai-Ichi
Operability Determination
Earthquake
Scaffolding
Flow Induced Vibration
Seismic Walkdown Report
ML11215A09130 June 2011ANP-2975(NP), Revision 0, San Onofre Nuclear Generating Station, Unit 2 and Unit 3 - Realistic Large Break LOCA Report, Enclosure 6Loop seal
Hydrostatic
Fuel cladding
ML06086033431 March 2006Responses to NRC Requests for Additional Information on WCAP-16208-P, Rev. 1, NDE Inspection Length for CE Steam Generator Tubesheet Region Explosive Expansions for Waterford, Unit 3Non-Destructive Examination
Hydrostatic
Operating Basis Earthquake
Affidavit
Eddy-Current Testing
Operational leakage
ML06104059328 February 2006WCAP-16524-NP, Rev. 0, Analysis of Capsule 230 from Arizona Public Service Company Palo Verde Unit 2 Reactor Vessel Radiation Surveillance Program.License Renewal
ML06199007431 January 2006Rev. 1 to SG-SGDA-05-48-NP, WOG PA-MSC-0190, Revision 1: Test Results Related to Tig and Alloy 800 Sleeve Installation in 3/4 Inch and 7/8 Inch OD SG Tubing in Service Inspection Requirements.Stress corrosion cracking
Eddy Current Testing
Operational leakage
ML06019010714 December 2005Non-Proprietary Rev. 0 to LTR-RCPL-05-153, Response to NRC Request for Additional Information on WCAP-16005-NP, Rev. 03, 'San Onofre Nuclear Generating Station Unit 2 RCS Pressure & Temperature Limits Report' & WCAP-16167-NP, Rev. 0.Hydrostatic
Incorporated by reference
Pressure and Temperature Limits Report
Exemption Request
Affidavit
ML05271016422 September 2005Westinghouse - Meeting Slides 9/22/05Boric Acid
ML05311028531 July 2005WCAP-16208-NP, Rev. 1, Supplement 1, NDE Inspection Length for San Onofre 2 & 3 Steam Generator Tubesheet Region Cold Leg Explosive Expansions.
ML05152041731 May 2005WCAP-16208-NP, Revision 1, NDE Inspection Length for CE Steam Generator Tubesheet Region Explosive Expansions, Enclosure 5Boric Acid
Nondestructive Examination
Finite Element Analysis
Stress corrosion cracking
ML05126041931 March 2005CENPD-279, Supplement 16, Annual Report on Combustion Engineering ECCS Performance Evaluation Models for Pwrs.Coatings
Fuel cladding
Power Uprate
ML04365035423 December 20042003 Emergency Core Cooling System Annual 10 CFR 50.46 Report, San Onofre Nuclear Generating Station, Units 2 and 3Fuel cladding
ML05032029930 November 2004WCAP-16005-NP, Rev. 03, San Onofre Nuclear Generating Station Unit 2 RCS Pressure and Temperature Limits Report.Hydrostatic
Pressure and Temperature Limits Report
ML05032030130 November 2004WCAP-16167-NP, Rev 00, San Onofre Nuclear Generating Station Unit 3, RCS Pressure and Temperature Limits Report.Hydrostatic
Pressure and Temperature Limits Report
Power Uprate
ML04293059115 October 2004Additional Information Supporting Third Ten-Year Inservice Inspection (ISI) Interval Relief Request ISI-3-1 Request to Use Risk-Informed Inservice Inspection (Ri ISI)Non-Destructive Examination
Internal Flooding
Probabilistic Risk Assessment
VT-2
Flow Accelerated Corrosion
Intergranular Stress Corrosion Cracking
Large early release frequency
Stress corrosion cracking
Thermal fatigue
ML04239021420 August 2004Westinghouse Owners Group Request to Withdraw WCAP-16168-NP, Risk-Informed Extension of Reactor Vessel In-Service Inspection Interval, (PA-MSC-0120)
ML04170012431 March 2004Structural Integrity Evaluation of Reactor Vessel Upper Head Penetrations to Support Continued Operation: Palo Verde Units 1 and 2.Non-Destructive Examination
Nondestructive Examination
Finite Element Analysis
Stress corrosion cracking
ML04026001619 January 2004Request for Review of BAW-2441, Revision 2, Risk Informed Justification for LCO End-State Changes.Safe Shutdown
Boric Acid
Shutdown Margin
Ultimate heat sink
Grab sample
Anticipated operational occurrence
Probabilistic Risk Assessment
Large early release frequency
Offsite Circuit
Unidentified leakage
Manual Operator Action
ML03323022512 November 2003Submittal of WCAP-16084-NP, Development of Risk-Informed Safety Analysis Approach and Pilot Application.Anticipated operational occurrence
Probabilistic Risk Assessment
Fuel cladding
Coast down
ML0318909262 July 2003Notification of Updating Inservice Inspection Program & Submittal of Relief Requests for Third 10-Year Inspection Interval San Onofre Nuclear Generating Station Units 2 & 3Boric Acid
Non-Destructive Examination
Safe Shutdown Earthquake
Internal Flooding
Hydrostatic
Probabilistic Risk Assessment
Operating Basis Earthquake
VT-2
Finite Element Analysis
Flow Accelerated Corrosion
Intergranular Stress Corrosion Cracking
Large early release frequency
Stress corrosion cracking
Pressure Boundary Leakage
Dissimilar Metal Weld
Scaffolding
Unidentified leakage
Thermal fatigue
ML03127010531 March 2003WCAP-16076-NP, Rev 0, Requirements Phase Human Factors Review for Common Q Phase 3 Core Protection Calculator System ProjectPost Accident Monitoring
Probabilistic Risk Assessment
Large early release frequency
Affidavit
ML03241017731 March 2003Rev 0 to WCAP-16005-NP, San Onofre Nuclear Generating Station, Unit 2 RCS Pressure & Temperature Limits Report.Hydrostatic
Pressure and Temperature Limits Report
Exemption Request
W3F1-2003-0020, Submittal of Second Reactor Vessel Surveillance Capsule Report28 March 2003Submittal of Second Reactor Vessel Surveillance Capsule ReportPower change
ML03037059031 August 2002WCAP-15907-NP, Rev 01, CEOG, Auxiliary Feedwater System Safety System Functional Assessment, Palo Verde, Units 1, 2, & 3Stroke time
Tornado Missile
Coatings
ML02239018315 August 2002Combustion Engineering Owners Group Request for Review of CE Owners Group Report WCAP-15691 Rev 03, Joint Applications Report for Containment Integrated Leak Rate Test Interval Extension.Large early release frequency
Integrated leak rate test
License Renewal
ML02305038731 July 2002WCAP-15848-NP, Rev 0, Fuel Rod Cladding Development Program in Palo Verde Unit 3: Examination of Fuel Rods with Advanced Cladding Materials at End-of-Cycle 9.
ML02148013122 May 2002Proposed Change Number NPF-10/15-543, Exigent Steam Generator Technical Specification ChangeHydrostatic
Nondestructive Examination
Finite Element Analysis
Stress corrosion cracking
Eddy Current Testing
Earthquake
Affidavit
ML19066A08530 April 1986CPC and Methodology Changes for the CPC Improvement Program (CEN-310-NP-A 8605270198)