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 Issue dateTitleTopic
ML24003A72127 November 2023Independent Safety Committee; Diablo Canyon Nuclear Power Plant Operations, Thirty-Third Annual Report on the Safety July 1, 2022-June 30, 2023
ML23318A20913 September 2023Thirty-Third Annual Report on the Safety of Diablo Canyon Nuclear Power Plant Operations, July I, 2022 - June 30, 2023 - Volume 1 (Main Report)Safe Shutdown
Boric Acid
Packing leak
Ultimate heat sink
Mission time
Offsite Dose Calculation Manual
Weld Overlay
Probabilistic Risk Assessment
Coatings
Cyber Security
Condition Adverse to Quality
FLEX
B.5.b
Aging Management
Significance Determination Process
Annual Radioactive Effluent Release Report
Design basis earthquake
Foreign Material Exclusion
Annual Radiological Environmental Operating Report
Operability Determination
License Renewal
Exemption Request
Earthquake
Maintenance Rule Program
Pandemic
COVID-19
Fuel cladding
Fire Protection Program
Scaffolding
Grace period
Backfit
Power change
Operability Assessment
Integrated Public Alert and Warning System
Siren
ML23318A20813 September 2023Thirty-Third Annual Report on the Safety of Diablo Canyon Nuclear Power Plant Operations, July I, 2022 - June 30, 2023 - Volume 2 (Exhibits)Safe Shutdown
Boric Acid
Fitness for Duty
Packing leak
Ultimate heat sink
Mission time
Offsite Dose Calculation Manual
Commercial Grade Dedication
Weld Overlay
Contraband
Enforcement Discretion
Probabilistic Risk Assessment
Coatings
Cyber Security
FLEX
B.5.b
Aging Management
Fukushima Dai-Ichi
Significance Determination Process
Annual Radioactive Effluent Release Report
Design basis earthquake
Foreign Material Exclusion
Annual Radiological Environmental Operating Report
Operability Determination
License Renewal
Exemption Request
Subsequent License Renewal
Earthquake
Maintenance Rule Program
Pandemic
Coronavirus
Chernobyl
COVID-19
Through-Wall Leak
Fire Protection Program
Scaffolding
Grace period
Backfit
Power change
Fatality
Operability Assessment
Siren
DCL-23-041, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 202222 May 202310 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 2022
ML23037A83128 September 2022Independent Safety Committee; Thirty-Second Annual Report on the Safety July 1, 2021 - June 30, 2022, Volume II - ExhibitsBoric Acid
Fitness for Duty
High winds
High Radiation Area
Ultimate heat sink
Offsite Dose Calculation Manual
Tornado Missile
Internal Flooding
Probabilistic Risk Assessment
Coatings
Cyber Security
Finite Element Analysis
Condition Adverse to Quality
FLEX
Decommissioning Funding Plan
Aging Management
Fukushima Dai-Ichi
Significance Determination Process
Annual Radioactive Effluent Release Report
Open Phase Condition
Design basis earthquake
Foreign Material Exclusion
Annual Radiological Environmental Operating Report
Earthquake
Maintenance Rule Program
Pandemic
Coronavirus
COVID-19
Fuel cladding
Biofouling
Minimum staff
Fire Protection Program
Fire Watch
Scaffolding
Backfit
Power change
Fatality
ML23037A83028 September 2022Independent Safety Committee; Thirty-Second Annual Report on the Safety July 1, 2021 - June 30, 2022, Volume I - Main ReportSafe Shutdown
Boric Acid
Fitness for Duty
High winds
Ultimate heat sink
Offsite Dose Calculation Manual
Fire Barrier
Probabilistic Risk Assessment
Cyber Security
Emergency Lighting
Condition Adverse to Quality
FLEX
Aging Management
Significance Determination Process
Annual Radioactive Effluent Release Report
Foreign Material Exclusion
Annual Radiological Environmental Operating Report
B.5.b Mitigating Strategies
Exemption Request
Earthquake
Maintenance Rule Program
Pandemic
Coronavirus
COVID-19
Fire Protection Program
Scaffolding
Power change
Fatality
ML23041A37730 June 2022Independent Safety Committee Thirty-Second Annual Report on the Safety of Diablo Canyon Nuclear Power Plant Operations July 1, 2021-June 30, 2022Safe Shutdown
Boric Acid
Fitness for Duty
High winds
High Radiation Area
Ultimate heat sink
Offsite Dose Calculation Manual
Fire Barrier
Tornado Missile
Internal Flooding
Probabilistic Risk Assessment
Coatings
Cyber Security
Emergency Lighting
Finite Element Analysis
Condition Adverse to Quality
FLEX
Aging Management
Fukushima Dai-Ichi
Significance Determination Process
Annual Radioactive Effluent Release Report
Open Phase Condition
Design basis earthquake
Foreign Material Exclusion
Annual Radiological Environmental Operating Report
B.5.b Mitigating Strategies
Exemption Request
Earthquake
Maintenance Rule Program
Pandemic
Coronavirus
COVID-19
Fuel cladding
Biofouling
Minimum staff
Fire Protection Program
Fire Watch
Scaffolding
Backfit
Power change
Fatality
DCL-22-033, Annual Report of Occupational Radiation Exposure for 202126 April 2022Annual Report of Occupational Radiation Exposure for 2021
DCL-2021-514, NPDES Receiving Water Monitoring Program: 2020 Annual Report27 April 2021NPDES Receiving Water Monitoring Program: 2020 Annual ReportBiofouling
DCL-19-078, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 20183 October 201910 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 2018
DCL-18-028, Submittal of 2017 Annual Radioactive Effluent Release Report24 April 2018Submittal of 2017 Annual Radioactive Effluent Release ReportGrab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Met Tower
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report
Recently irradiated fuel
Tritium
Power change
DCL-18-032, Summary Report of 10 CFR 50.59. Changes, Tests, and Experiments, for the Period of January 1, 2016, Through December 31, 201718 April 2018Summary Report of 10 CFR 50.59. Changes, Tests, and Experiments, for the Period of January 1, 2016, Through December 31, 2017Finite Element Analysis
DCL-17-075, Transmittal of 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 20166 September 2017Transmittal of 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 2016
DCL-16-105, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 201518 October 201610 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 2015
DCL-2016-518, NPDES Receiving Water Monitoring Program: 2015 Annual Report25 April 2016NPDES Receiving Water Monitoring Program: 2015 Annual ReportBiofouling
DCL-16-045, Submittal of 2015 Annual Radiological Environmental Operating Report21 April 2016Submittal of 2015 Annual Radiological Environmental Operating ReportGrab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Annual Radiological Effluent Release Report
DCL-16-046, Summary Report of 10 CFR 50.59, Changes, Tests, and Experiments, for the Period of January 1, 2014, Through December 31, 201518 April 2016Summary Report of 10 CFR 50.59, Changes, Tests, and Experiments, for the Period of January 1, 2014, Through December 31, 2015Shutdown Margin
Temporary Modification
FLEX
Pressure and Temperature Limits Report
Turbine Missile
Coast down
Overspeed trip
ML15117A65727 April 20152014 Annual Radiological Environmental Operating Report for the Year 2014) - Part 3 of 5Annual Radiological Environmental Operating Report
ML15117A66227 April 20152014 Annual Radiological Environmental Operating Report for the Year 2014) - Part 5 of 5Annual Radiological Environmental Operating Report
ML15117A66027 April 20152014 Annual Radiological Environmental Operating Report for the Year 2014) - Part 4 of 5Annual Radiological Environmental Operating Report
DCL-15-046, 2014 Annual Radiological Environmental Operating Report for the Year 2014) - Part 1 of 527 April 20152014 Annual Radiological Environmental Operating Report for the Year 2014) - Part 1 of 5Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
ML15117A65627 April 20152014 Annual Radiological Environmental Operating Report for the Year 2014) - Part 2 of 5Annual Radiological Environmental Operating Report
DCL-13-077, CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 201230 July 2013CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 2012
DCL-13-058, Annual Commitment Change Summary Report30 May 2013Annual Commitment Change Summary ReportNon-Destructive Examination
Foreign Material Exclusion
Control of Heavy Loads
DCL-13-029, Annual Radiological Environmental Operating Report30 April 2013Annual Radiological Environmental Operating ReportGrab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Earthquake
DCL-13-045, Annual Nonradiological Environmental Operating Report30 April 2013Annual Nonradiological Environmental Operating Report
DCL-13-042, Submittal of 2012 Annual Radioactive Effluent Release Report30 April 2013Submittal of 2012 Annual Radioactive Effluent Release ReportBoric Acid
Grab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report
Recently irradiated fuel
Tritium
Power change
DCL-13-022, Annual Report of Occupational Radiation Exposure for 201212 March 2013Annual Report of Occupational Radiation Exposure for 2012
DCL-12-117, 2011 Annual Commitment Change Summary Report20 November 20122011 Annual Commitment Change Summary ReportBoric Acid
Hydrostatic
VT-2
DCL-12-070, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 201119 July 201210 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for Peak Cladding Temperature for 2011
DCL-12-040, 2011 Annual Radioactive Effluent Release Report30 April 20122011 Annual Radioactive Effluent Release ReportGrab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report
Recently irradiated fuel
Tritium
Power change
ML11201017819 July 2011Diablo Canyon, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 2010
DCL-11-082, Diablo Canyon, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 201019 July 2011Diablo Canyon, 10 CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 2010
DCL-11-082, CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 201019 July 2011CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 2010
ML11129A08528 April 20112010 Annual Radiological Environmental Operating ReportOffsite Dose Calculation Manual
Annual Radiological Environmental Operating Report
DCL-11-049, 2010 Annual Radioactive Effluent Release Report, in Accordance with 10 CFR 50.36a(a)(2) and Section 5.6.328 April 20112010 Annual Radioactive Effluent Release Report, in Accordance with 10 CFR 50.36a(a)(2) and Section 5.6.3Grab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report
Recently irradiated fuel
Tritium
Power change
DCL-11-051, 2010 Annual Nonradiological Environmental Operating Report28 April 20112010 Annual Nonradiological Environmental Operating Report
ML11118074728 April 20112010 Annual Nonradiological Environmental Operating Report
DCL-11-050, Diablo Canyon, Units 1 & 2, 2010 Annual Radiological Environmental Operating Report28 April 2011Diablo Canyon, Units 1 & 2, 2010 Annual Radiological Environmental Operating ReportAnnual Radiological Environmental Operating Report
DCL-10-055, Units, 1 and 2, 2009 Annual Commitment Change Summary Report19 May 2010Units, 1 and 2, 2009 Annual Commitment Change Summary ReportBoric Acid
Nondestructive Examination
DCL-10-043, Submittal of 2009 Annual Radiological Environmental Operating Report28 April 2010Submittal of 2009 Annual Radiological Environmental Operating ReportGrab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
DCL-10-039, 10 CFR 50.59 Report of Changes, Tests, and Experiments for the Period January 1, 2008, Through December 31, 200919 April 201010 CFR 50.59 Report of Changes, Tests, and Experiments for the Period January 1, 2008, Through December 31, 2009Safe Shutdown
Boric Acid
Probabilistic Risk Assessment
Met Tower
Design basis earthquake
Large early release frequency
Earthquake
Fuel cladding
Coast down
GOTHIC
DCL-10-034, Annual Report of Occupational Radiation Exposure for 200926 March 2010Annual Report of Occupational Radiation Exposure for 2009
DCL-2009-523, 2008-2009 Annual Report for Storm Water Discharges Associated with Industrial Activities, Diablo Canyon Power Plant (Dcpp), Facility Wdid No. 340I01824811 June 20092008-2009 Annual Report for Storm Water Discharges Associated with Industrial Activities, Diablo Canyon Power Plant (Dcpp), Facility Wdid No. 340I018248
DCL-09-031, Submittal of 2008 Annual Commitment Change Summary Report7 May 2009Submittal of 2008 Annual Commitment Change Summary Report
DCL-09-029, 2008 Annual Radiological Environmental Operating Report24 April 20092008 Annual Radiological Environmental Operating ReportGrab sample
Offsite Dose Calculation Manual
Met Tower
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
DCL-08-061, CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 2007, Affect Peak Cladding Temperature (PCT) Calculations23 July 2008CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 2007, Affect Peak Cladding Temperature (PCT) Calculations
DCL-08-031, Transmittal of 10 CFR 50.59 Report of Changes, Tests, and Experiments for the Period of January 1, 2006, Through December 31, 200717 April 2008Transmittal of 10 CFR 50.59 Report of Changes, Tests, and Experiments for the Period of January 1, 2006, Through December 31, 2007Boric Acid
Probabilistic Risk Assessment
Continuous fire watch
Fire Watch
GOTHIC
ML07291075422 October 20072006 Rulemaking Annual ReportSafe Shutdown
Operator Manual Action
Fire Protection Program
DCL-07-071, CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 200623 July 2007CFR 50.46 Annual Report of Emergency Core Cooling System Evaluation Model Changes for 2006