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 Issue dateTitleTopic
ML24032A2181 September 2023Information Request, Security IR 2024401
IR 05000397/202300522 August 2023Updated Inspection Plan for Columbia Generating Station (Report 05000397/2023005) - Mid Year LetterFitness for Duty
Commercial Grade Dedication
Cyber Security
Aging Management
License Renewal
Preliminary White Finding
IR 05000397/20220061 March 2023Annual Assessment Letter for Columbia Generating Station (Report 05000397/2022006)Fitness for Duty
Commercial Grade Dedication
Cyber Security
Aging Management
License Renewal
Exemption Request
COVID-19
ML23019A24819 January 2023Inservice Inspection Request for InformationBoric Acid
Nondestructive Examination
Foreign Material Exclusion
Dissimilar Metal Weld
Scaffolding
ML22242A10830 August 2022Information Request, Information Request, Security IR 2022404
ML22230C73923 August 20222022 Mid-Cycle Planning LetterFitness for Duty
Commercial Grade Dedication
Cyber Security
Aging Management
Exemption Request
Coronavirus
IR 05000397/20210062 March 2022Annual Assessment Letter for Columbia Generating Station (Report 05000397/2021006)Fitness for Duty
Cyber Security
Exemption Request
Coronavirus
ML21277A35712 October 2021CGS Brq RFI Letter, Columbia Generating Station - Notification of Inspection (NRC Inspection Report 05000397/2021004) and Request for Information
ML21230A3891 September 2021Mid-Cycle Inspection Plan Transmittal Letter 2021Fitness for Duty
Cyber Security
Exemption Request
Power-Operated Valves
Power Operated Valves
COVID-19
ML21111A02821 April 2021_ Notification of an NRC Fire Protection Baseline Inspection (NRC Inspection Report 05000397/2021011) and Request for InformationSafe Shutdown
Commercial Grade Dedication
Hydrostatic
Probabilistic Risk Assessment
Temporary Modification
Aging Management
Job Performance Measure
Fire Protection Program
ML21104A3038 April 2021Inspection Report 05000397/2021010, Information Request Biennial Problem Identification and Resolution InspectionPandemic
Coronavirus
ML21082A30423 March 2021Request for Information: Columbia Generating Station, Dated March 11, 2021, Inspection Report 05000397/2021-002, Occupational Radiation Safety Inspection-1,2,3,PIHigh Radiation Area
IR 05000397/20200063 March 2021Annual Assessment Letter for Columbia Generating Station (Report 05000397/2020006)Fitness for Duty
Operator Manual Action
Open Phase Condition
License Renewal
Exemption Request
Power-Operated Valves
Power Operated Valves
COVID-19
ML20353A18218 December 2020Notification of NRC Triennial Heat Exchanger/Heat Sink Performance Inspection (05000397/2021001) and Request for InformationUltimate heat sink
Coatings
Aging Management
Frazil ice
IR 05000397/20200051 September 2020Updated Inspection Plan for Columbia Generating Station (Report 05000397/2020005)Fitness for Duty
Cyber Security
Exemption Request
COVID-19
IR 05000397/20190063 March 2020CGS2019006 Annual Assessment Letter for Columbia Generating Station (Report 05000397/2019006)Fitness for Duty
Operator Manual Action
Cyber Security
Open Phase Condition
ML20049H26218 February 2020Notification of Cyber Security Inspection (NRC Inspection Report 05000397/2020401) and Request for InformationCyber Security
ML19266A59223 September 2019Notification of Inspection (NRC Inspection Report 05000397/2019004) and Request for Information
IR 05000397/201900530 August 2019Updated Inspection Plan for Columbia Generating Station, Report 05000397/2019005Fitness for Duty
Cyber Security
Open Phase Condition
ML19100A42410 April 2019Columba - Notification of NRC Design Bases Assurance Inspection Report (Teams) (05000397/2019011) and Initial Request for InformationUltimate heat sink
Probabilistic Risk Assessment
Temporary Modification
Large early release frequency
IR 05000397/20180064 March 2019Annual Assessment Letter for Columbia Generating Station (Report 05000397/2018006Cyber Security
Open Phase Condition
ML18313A0948 November 2018Notification of NRC Triennial Heat Sink Performance Inspection Report 05000397/2018004) and Request for InformationUltimate heat sink
IR 05000397/201800531 August 2018Updated Inspection Plan for Columbia Generating Station (Report 05000397/2018005)Cyber Security
Open Phase Condition
IR 05000397/20170061 March 2018Annual Assessment Letter for Columbia Generating Station (Report 05000397/2017006)Open Phase Condition
Spent Fuel Pool Instrumentation
IR 05000397/201700528 August 2017Updated Inspection Plan for Columbia Generating Station (Report 05000397/2017005)
IR 05000397/20160061 March 2017Annual Assessment Letter for Columbia Generating Station (Report 05000397/2016006)B.5.b
ML16256A26812 September 2016Errata for Mid-Cycle Assessment Letter for Columbia Generating Station (Report 05000483/2016005)Spent Fuel Pool Instrumentation
B.5.b Mitigating Strategies
ML16251A1347 September 2016Notification of Inspection (NRC Integrated Inspection Report 05000397/2016004) and Request for InformationTime Critical Operator Action
ML16239A24131 August 2016Mid-Cycle Assessment Letter for Columbia Generating Station (Report 05000483/2016005)Spent Fuel Pool Instrumentation
B.5.b Mitigating Strategies
IR 05000397/201640131 August 2016Non-Public Security Inspection Plan for Columbia Generating Station (NRC Physical Security Inspection Report Number 05000397/2016401)
IR 05000397/20150062 March 2016Annual Assessment Letter for Columbia Generating Station (Report 05000397/2015006)B.5.b
Spent Fuel Pool Instrumentation
ML16061A5661 March 2016Notification of Design Bases Inspection (Programs)(Inspection Report 05000397/2016008) and Initial Request for InformationCommercial Grade Dedication
ML16061A5541 March 2016Notification of NRC Design Bases Inspection (05000397/2016007) and Initial Request for InformationProbabilistic Risk Assessment
Temporary Modification
IR 05000397/20154011 September 2015Non-Public Security Inspection Plan for Columbia Generating Station (NRC Physical Security Inspection Report Number 05000397/2015401)
IR 05000397/20150051 September 2015Mid-Cycle Assessment Letter for Columbia Generating Station (Report 05000397/2015005)B.5.b
Spent Fuel Pool Instrumentation
IR 05000397/20144022 September 2014Non-Public Security Inspection Plan for Columbia Generating Station (NRC Physical Security Inspection Report Number 05000397/2014402)
IR 05000397/20140062 September 2014Mid-Cycle Assessment Letter for Columbia Generating Station (Report 05000397/2014006)Spent Fuel Pool Instrumentation
ML14219A7517 August 2014Notification of Evaluations of Changes, Tests, and Experiments, and Permanent Plant Modifications Inspection (05000397-14-005) and Request for InformationCommercial Grade Dedication
IR 05000397/20130014 March 2014Annual Assessment Letter for Columbia Generating Station (Report 05000397/2013001)
IR 05000397/20130063 September 2013Mid-Cycle Assessment Letter Columbia Generating Station (Report 05000397-13-006)
IR 05000397/20128014 March 2013Annual Assessment Letter for Columbia Generating Station (Report 05000397/2012801)
IR 05000397/20120064 September 2012Mid-Cycle Assessment Letter for Columbia Generating Station (Report 05000397/2012006)
IR 05000397/20120015 March 2012Annual Assessment Letter for Columbia Generating Station (Report 05000397/2012001)
ML1124306471 September 2011Mid-Cycle Performance Review and Inspection Plan - Columbia Generating Station
ML1112907056 May 2011Notification of Inspection (IR 05000397-11-004) and Request for InformationCommercial Grade Dedication
ML1024403711 September 2010Mid-Cycle Performance Review and Inspection Plan - Columbia Generating Station
IR 05000397/20100013 March 2010Annual Assessment Letter - Columbia Generating Station (Report 05000397-10-001)License Renewal
ML0924000971 September 20099/1/2009 Columbia 2009 Midcycle Performance Review and Inspection Plan
IR 05000397/20090014 March 2009Annual Assessment Letter and Inspection Plan 2008 - Columbia Generating Station (NRC Report 05000397/2009001)
ML0824606282 September 20082008 Midcycle Assessment Letter Columbia Generating Station