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 Issue dateTitle
IR 05000397/202200423 January 2023Integrated Inspection Report 05000397/2022004- 4th Quarter
Information Notice 1990-22, Unanticipated Equipment Actuations Following Restoration of Power to Rosemount Transmitter Trip Units23 March 1990Unanticipated Equipment Actuations Following Restoration of Power to Rosemount Transmitter Trip Units
Information Notice 1992-16, Loss of Flow from the Residual Heat Removal Pump During Refueling Cavity Draindown25 February 1992Loss of Flow from the Residual Heat Removal Pump During Refueling Cavity Draindown
Information Notice 1993-27, Level Instrumentation Inaccuracies Observed During Normal Plant Depressurization8 April 1993Level Instrumentation Inaccuracies Observed During Normal Plant Depressurization
Information Notice 1993-62, Thermal Stratification of Water in BWR Reactor Vessels10 August 1993Thermal Stratification of Water in BWR Reactor Vessels
Information Notice 1993-89, Potential Problems with BWR Level Instrumentation Backfill Modifications26 November 1993Potential Problems with BWR Level Instrumentation Backfill Modifications
Information Notice 1994-36, Undetected Accumulation of Gas in Reactor Coolant System24 May 1994Undetected Accumulation of Gas in Reactor Coolant System
Information Notice 1994-52, Inadvertent Containment Spray and Reactor Vessel Draindown at Millstone Unit 115 July 1994Inadvertent Containment Spray and Reactor Vessel Draindown at Millstone Unit 1
Information Notice 1996-05, Partial Bypass of Shutdown Cooling Flow from Reactor Vessel18 January 1996Partial Bypass of Shutdown Cooling Flow from Reactor Vessel
Information Notice 1996-37, Inaccurate Reactor Water Level Indication and Inadvertent Draindown During Shutdown18 June 1996Inaccurate Reactor Water Level Indication and Inadvertent Draindown During Shutdown
Information Notice 1996-42, Unexpected Opening of Multiple Safety Relief Valves5 August 1996Unexpected Opening of Multiple Safety Relief Valves
Information Notice 1996-56, Problems Associated with Testing, Tuning, or Resetting of Digital Control Systems While at Power22 October 1996Problems Associated with Testing, Tuning, or Resetting of Digital Control Systems While at Power
Information Notice 1996-65, Undetected Accumulation of Gas in Reactor Coolant System and Inaccurate Reactor Water Level Indication During Shutdown11 December 1996Undetected Accumulation of Gas in Reactor Coolant System and Inaccurate Reactor Water Level Indication During Shutdown
Information Notice 1997-83, Recent Events Involving Reactor Coolant System Inventory Control During Shutdown5 December 1997Recent Events Involving Reactor Coolant System Inventory Control During Shutdown
Information Notice 1999-14, Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrick5 May 1999Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrick
ML0221201542 May 1995Wppss Project No. 2, License Amendment 137, Increasing Authorized Maximum Power Level of Reactor from Current Limit of 3323 Megawatts Thermal (Mwt) to 3486 Mwt & Modifies TSs to Incorporate Increased Power Limit in Plant Operating Limits
ML02266003520 September 2002Generation Station, 4 TS Pages (Overleaf) for Amendment 179 (Tac. MB3881) TS Changes for Extension of Instrumentation Channel Surveillance Test Intervals
ML03016013930 December 2002Request for Amendment to TS 2.1.1.2, MCPR Safety Limit & SR 3.3.1.3.2, Oscillation Power Range Monitor-LPRM Calibration Frequency
ML03094032827 March 2003CGS - Init Exam - 03-2003 - Draft Outline
ML03094033627 March 2003CGS - Init Exam - 03-2003 - Final Outline
ML03115058529 January 1985Withdrawn NRC Generic Letter 1985-004: Operator Licensing Examinations
ML0315407552 June 2003TS Pages for Columbia Generating Station
ML04014044713 January 2004Meeting Slides (1/13/04) and Letter - Shutdown Cooling Isolation Reportability and a Letter from Dennis Allison to Christina Perino Dated 11/24/2003
ML04030061930 January 2004IR 05000397-03-007, on 10/05/03 Through 12/31/03, Columbia Generating Station
ML05014043230 September 2004Init Exam - 09/2004 - Draft RO Written Examination
ML05042042630 September 2004Init Exam - 09/2004 - Draft RO Written Exam
ML0506205133 March 2005Technical Specifications, Elimination of Requirements for Hydrogen Recombiners and Hydrogen/Oxygen Monitors Using the Consolidated Line Item Improvement Process.
ML0512901076 April 2005Emergency Response Data System Change to Data Point Library
ML0522802594 August 2005Energy Northwest Response to Request for Additional Information Regarding License Amendment Request: Control Rod Drop Accident Analysis
ML05262041130 September 2004AST Amendment 9/30/04 - Attachments and Calculations
ML06132027212 May 2006IR 05000397-06-002 on 1/1/06 - 3/31/06 for Columbia Generating Station; Operability Evaluations, Other Activities
ML09044030713 February 2009Correction to Pages Issues with Amendment Nos. 208, 209, and 210
ML09170014618 August 2009License Amendment No. 214, Revise Technical Specification 3.3.6.1, Primary Containment Isolation Instrumentation
ML09302020529 October 2009Email, Request for Additional Information, Generic Letter 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems
ML11060067818 March 2011Issuance of Amendment No. 220, Revise Technical Specification 3.3.6.1, Primary Containment Isolation Instrumentation, Related to Traversing In-Core Probe Containment Isolation Valve Instrumentation
ML11159A1441 June 2011Response to Request for Additional Information Regarding Emergency Action Level Scheme Change
ML12011A15214 December 2011Amendment 61 to Final Safety Analysis Report, Chapter 1, Introduction and General Description of Plant
ML12011A15914 December 2011Amendment 61 to Final Safety Analysis Report, Chapter 5, Reactor Coolant System and Connected Systems
ML12011A16014 December 2011Amendment 61 to Final Safety Analysis Report, Chapter 6, Engineered Safety Features
ML12011A16114 December 2011Amendment 61 to Final Safety Analysis Report, Chapter 7, Instrumentation and Control Systems
ML12011A16314 December 2011Amendment 61 to Final Safety Analysis Report, Chapter 9, Auxiliary Systems
ML12011A16914 December 2011Amendment 61 to Final Safety Analysis Report, Chapter 15, Accident Analyses
ML12011A17214 December 2011Amendment 61 to Final Safety Analysis Report, Appendix B, Response to Regulatory Issues Resulting from TMI-2
ML12011A17314 December 2011Amendment 61 to Final Safety Analysis Report, Appendix F, Fire Protection Evaluation
ML12080007830 March 2012Issuance of Amendment No. 223, Administrative Changes to Facility Operating License to Modify Existing License Conditions or Delete Obsolete License Conditions
ML12089A04322 May 2012Issuance of Renewed Facility Operating License No. NPF-21 for Columbia Generating Station. Columbia Lr Ltr to Applicant
ML13317B62331 January 2014Redacted - Issuance of Amendment No. 226, Technical Specification Changes to Support Installation of GE Hitachi Power Range Neutron Monitoring System; Implementation of Arts/Mellla
ML13337A26629 January 2014Interim Staff Evaluation and Audit Report Related to Overall Integrated Plan in Response to Order EA-12-049 (Mitigation Strategies)
ML13357A32221 December 2013Mega-Tech Services, LLC, Technical Evaluation Report Regarding the Overall Integrated Plan for Columbia Generating Station, TAC No.: MF0796
ML14010A29330 December 2013Final Safety Analysis Report, Amendment 62, Chapter 1 - Introduction and General Description of Plant
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