Category:Inspection Report Correspondence
MONTHYEARML23192A0362023-07-25025 July 2023 – Review of the Spring 2022 Steam Generator Tube Inspection Report IR 05000454/20214032021-11-22022 November 2021 Security Baseline Inspection Report 05000454/2021403 and 05000455/2021403 ML17269A1082017-09-25025 September 2017 Request for Information for an NRC Triennial Baseline Design Bases Assurance Inspection (Team) (Mjf) ML17137A0562017-05-17017 May 2017 Information Request to Support Upcoming Temporary Instruction 191 Inspection at Byron Station, Units 1 and 2 IR 05000454/20162012016-09-19019 September 2016 Byron Station - NRC Security Inspection Report 05000454; 455/2016201 (Cover Letter Only) ML16251A0462016-09-19019 September 2016 NRC Security Inspection Report 05000454; 455/2016201 (Cover Letter Only) ML16196A1102016-07-14014 July 2016 Notification of NRC Triennial Heat Sink Performance Inspection and Request for Information; Inspection Report 05000454/2016004; 05000455/2016004 IR 05000454/20155012016-02-0303 February 2016 NRC Emergency Preparedness Annual Inspection Report No. 05000454/2015501; 05000455/2015501 ML13065A1122013-03-0505 March 2013 Email - Byron Unit 2 ISI Request for Information DEJ5 IR 05000454/20105012011-01-14014 January 2011 IR 05000454-10-501, 05000455-10-501, on 12/31/10, Byron Station, Units 1 and 2, NRC Emergency Preparedness Annual Inspection IR 05000454/20080072008-10-10010 October 2008 IR 05000454-08-007, (Drs), IR 05000455-08-007, (Drs), on 08/25/2008 - 08/29/2008, Byron Station, Units 1 and 2, Ti 2515/171 Verification of Site Specific Implementation of B.5.b Phase 2 and 3, Mitigating Strategies - Cover Letter ML0731807162007-11-14014 November 2007 Request for Information MOD/50.59 Baseline Inspection and Temporary Instruction 2515/166, Pressurized Water Reactor Containment Sump Blockage. IR 05000454/20074022007-08-0808 August 2007 IR 05000454-07-402, and IR 05000455-07-402, 06/04/2007 - 06/27/2007, Byron Station, Units 1 and 2, Material Control and Accounting Program - Cover Letter IR 05000454/20060092007-01-12012 January 2007 IR 05000454-06-009; 05000455-06-009(DRS) on 10/30/2006 - 12/01/2006 for Byron Station; Component Design Bases Inspection IR 05000454/20060042006-11-0808 November 2006 IR 05000454/2006004; 05000455/2006004; on 07/01/2006 - 09/30/2006; Byron Station, Units 1 and 2; Fire Protection and Radiation Protection IR 05000454/20060032006-08-0303 August 2006 IR 05000454-06-003; 05000455-06-003; 05000454-06-010; 05000455-06-010; on 04/01/2006-06/30/2006; Byron Station, Units 1 and 2; Routine Integrated Inspection Report ML0619504902006-07-0707 July 2006 Orise - Analytical Results for Three Water Samples in Batch Four from the Vicinity of the Byron Generating Station, Byron, Illinois (Inspection Report No. 050-00454/2006-003 (Rfta No. 06-001)) IR 05000454/20060022006-05-12012 May 2006 IR 05000454-06-002; 05000455-06-002; on 01/01/2006-03/31/2006; Byron Station, Units 1 and 2; Maintenance Risk Assessments and Emergent Work Control, Identification and Resolution of Problems IR 05000454/20020032002-04-26026 April 2002 IR 05000454/2002-003(DRP) & IR 05000455/2002-003(DRP), Byron, Units 1 & 2 . Maintenance Risk Assessment, Emergent Work & Refueling & Outage Activities IR 05000455/20020022002-03-0808 March 2002 IR 05000455/2002-002, IR 05000455/2002-002 (Drp), on 12/30/2001-02/11/2002; Exelon Generation Company, LLC; Byron Station, Units 1 & 2. Post-Maintenance Testing. One Green Violation Identified 2023-07-25
[Table view] Category:Letter
MONTHYEARRS-24-104, Nuclear Radiological Emergency Plan Document Revision2024-11-0101 November 2024 Nuclear Radiological Emergency Plan Document Revision RS-24-098, Units 1 and 2 - Supplement to License Amendment Request to Revise Technical Specifications 3.7.15, Spent Fuel Pool Boron Concentration, 3.7.16, Spent Fuel Assembly Storage, 4.3.1, Fuel Storage, Criticality2024-10-23023 October 2024 Units 1 and 2 - Supplement to License Amendment Request to Revise Technical Specifications 3.7.15, Spent Fuel Pool Boron Concentration, 3.7.16, Spent Fuel Assembly Storage, 4.3.1, Fuel Storage, Criticality ML24297A2702024-10-23023 October 2024 Notification of NRC Baseline Inspection and Request for Information: Inspection Report 05000455/2025002 RS-24-095, Relief Request I4R-19 and I4R-26, Associated with the Fourth and Fifth Inservice Inspection Intervals2024-10-10010 October 2024 Relief Request I4R-19 and I4R-26, Associated with the Fourth and Fifth Inservice Inspection Intervals RS-24-093, Response to Request for Additional Information - Alternative Request to Utilize Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump Tests2024-10-10010 October 2024 Response to Request for Additional Information - Alternative Request to Utilize Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump Tests ML24281A1502024-10-0707 October 2024 Request for Information for NRC Commercial Grade Dedication Inspection Report 05000454/2025010 and 05000455/2025010 ML24275A2442024-10-0303 October 2024 Reassignment of the U.S. Nuclear Regulatory Commission Branch Chief, Division of Operating Reactor Licensing ML24263A1272024-09-23023 September 2024 – Request for Additional Information (EPID 2023-LLA-0136) - Non-Proprietary BYRON 2024-0046, Cycle 27 Core Operating Limits Report2024-09-19019 September 2024 Cycle 27 Core Operating Limits Report RS-24-088, Relief Requests Associated with the Fifth Inservice Inspection Interval2024-09-13013 September 2024 Relief Requests Associated with the Fifth Inservice Inspection Interval ML24250A1182024-09-0606 September 2024 Notification of an NRC Biennial Licensed Operator Requalification Program Inspection and Request for Information 05000454/LER-2024-001, Both Trains of Control Room Ventilation Temperature Control System Inoperable2024-09-0505 September 2024 Both Trains of Control Room Ventilation Temperature Control System Inoperable ML24227A0522024-08-29029 August 2024 Audit Plan for LAR to Remove ATWS Mtc Limit IR 05000454/20240052024-08-28028 August 2024 Updated Inspection Plan and Assessment Follow-Up Letter for Byron Station, Units 1 and 2 (Report 05000455/2024005 and 05000454/2024005) ML24222A6772024-08-0909 August 2024 Response to Request for Additional Information for Application to Revise Technical Specifications to Adopt TSTF-591-A, Revise Risk Informed Completion Time (RICT) Program Revision 0 and Revise 10 CFR 50.69 License Condition IR 05000454/20240112024-08-0808 August 2024 Phase 2 Post- Approval License Renewal Report 05000454/2024011 IR 05000454/20240022024-07-26026 July 2024 Integrated Inspection Report 05000454/2024002 and 05000455/2024002, and Exercise of Enforcement Discretion ML24179A3262024-07-23023 July 2024 LTR - Constellation - SG Welds and Nozzles (L-2023-LLR-0053, L-2023-LLR-0054, L-2023-LLR-0055, L-2023-LLR-0056) RS-24-064, Nuclear Radiological Emergency Plan Document Revisions2024-06-28028 June 2024 Nuclear Radiological Emergency Plan Document Revisions RS-24-066, Inservice Testing Interval Extension for Essential Service Water Valves Due to Required Use of Containment Chiller2024-06-25025 June 2024 Inservice Testing Interval Extension for Essential Service Water Valves Due to Required Use of Containment Chiller ML24170A7652024-06-19019 June 2024 Confirmation of Initial License Examination RS-24-061, Constellation Energy Generation, LLC, Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations2024-06-14014 June 2024 Constellation Energy Generation, LLC, Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations RS-24-044, License Amendment to Transition to Framatome Gaia Fuel and Exemptions to 10 CFR 50.46 and 10 CFR 50 Appendix K. Attachments 1 to 11 Enclosed2024-05-28028 May 2024 License Amendment to Transition to Framatome Gaia Fuel and Exemptions to 10 CFR 50.46 and 10 CFR 50 Appendix K. Attachments 1 to 11 Enclosed RS-24-043, Application to Remove Power Distribution Monitoring System (Pdms) Details from Technical Specifications2024-05-24024 May 2024 Application to Remove Power Distribution Monitoring System (Pdms) Details from Technical Specifications ML24079A0762024-05-23023 May 2024 Issuance of Amendments to Adopt TSTF 264 ML24142A3352024-05-21021 May 2024 Quad Cities—Information Request to Support the NRC Annual Baseline Emergency Action Level and Emergency Plan Changes RS-24-055, 2023 Corporate Regulatory Commitment Change Summary Report2024-05-17017 May 2024 2023 Corporate Regulatory Commitment Change Summary Report BYRON 2024-0031, Completion of License Renewal Activities Prior to Entering the Period of Extended Operation2024-05-16016 May 2024 Completion of License Renewal Activities Prior to Entering the Period of Extended Operation IR 05000454/20240012024-05-10010 May 2024 Integrated Inspection Report 05000454/2024001; 05000455/2024001 and 07200068/2024001 BYRON 2024-0028, Annual Radiological Environmental Operating Report (AREOR)2024-05-0909 May 2024 Annual Radiological Environmental Operating Report (AREOR) BYRON 2024-0022, 2023 Regulatory Commitment Change Summary Report2024-05-0202 May 2024 2023 Regulatory Commitment Change Summary Report RS-24-041, Alternative Request to Utilize Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump Tests2024-04-30030 April 2024 Alternative Request to Utilize Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump Tests RS-24-026, License Amendment to Braidwood Station, Units 1 and 2, and Byron Station, Units 1 and 2, Technical Specifications 5.6.5, Core Operating Limits Report (COLR)2024-04-25025 April 2024 License Amendment to Braidwood Station, Units 1 and 2, and Byron Station, Units 1 and 2, Technical Specifications 5.6.5, Core Operating Limits Report (COLR) ML24116A1192024-04-25025 April 2024 2023 Annual Radioactive Effluent Release Report (ARERR) ML24113A1272024-04-22022 April 2024 Audit Plan in Support of Review of LAR Revision of TS 3.7.15, 3.7.16, and 4.3.1 (EPID: L-2023-LLA-0136) (Non-Proprietary) ML24113A2892024-04-22022 April 2024 Notification of NRC Baseline Inspection and Request for Information BYRON 2024-0020, Annual Dose Report for 20232024-04-18018 April 2024 Annual Dose Report for 2023 ML24103A2042024-04-12012 April 2024 Constellation Energy Generation, LLC, Application to Revise Technical Specifications to Adopt TSTF-591-A, Revise Risk Informed Completion Time (RICT) Program Revision 0 and Revise 10 CFR 50.69 License Condition BYRON 2024-0021, Registration of Use of Cask to Store Spent Fuel2024-04-11011 April 2024 Registration of Use of Cask to Store Spent Fuel RS-24-034, Annual 10 CFR 50.46 Report of Emergency Core Cooling System Evaluation Model Changes and Errors2024-04-10010 April 2024 Annual 10 CFR 50.46 Report of Emergency Core Cooling System Evaluation Model Changes and Errors IR 05000454/20244012024-04-0303 April 2024 Cyber Security Inspection Report 05000454/2024401 and 05000455/2024401 (Public) RS-24-002, Constellation Energy Generation, LLC - Annual Property Insurance Status Report2024-04-0101 April 2024 Constellation Energy Generation, LLC - Annual Property Insurance Status Report BYRON 2024-0019, Registration of Use of Cask to Store Spent Fuel2024-03-28028 March 2024 Registration of Use of Cask to Store Spent Fuel RS-24-024, Response to Request for Additional Information Regarding Proposed Alternative for Examination of Pressurizer Circumferential and Longitudinal Shell-to-Head Welds and Nozzle-to-Vessel Welds2024-03-22022 March 2024 Response to Request for Additional Information Regarding Proposed Alternative for Examination of Pressurizer Circumferential and Longitudinal Shell-to-Head Welds and Nozzle-to-Vessel Welds IR 05000454/20230112024-03-20020 March 2024 Fire Protection Team Inspection Report 05000454/2023011 and 05000455/2023011 IR 05000454/20240102024-03-15015 March 2024 Comprehensive Engineering Team Inspection Report 05000454/2024010 and 05000455/2024010 IR 05000454/20230062024-02-28028 February 2024 Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000455/2023006 and 05000454/2023006) IR 05000454/20230042024-02-0202 February 2024 Integrated Inspection Report 05000454/2023004 and 05000455/2023004 ML24022A2722024-01-23023 January 2024 Request for Information for an NRC Post-Approval Site Inspection for License Renewal Inspection Report 05000454/2024011 ML24018A0362024-01-17017 January 2024 Paragon Energy Solutions, Defect with Detroit Diesel/Mtu Fuel Injectors P/N R5229660 Cat Id 0001390618 2024-09-06
[Table view] Category:Inspection Report
MONTHYEARIR 05000454/20240052024-08-28028 August 2024 Updated Inspection Plan and Assessment Follow-Up Letter for Byron Station, Units 1 and 2 (Report 05000455/2024005 and 05000454/2024005) IR 05000454/20240112024-08-0808 August 2024 Phase 2 Post- Approval License Renewal Report 05000454/2024011 IR 05000454/20240022024-07-26026 July 2024 Integrated Inspection Report 05000454/2024002 and 05000455/2024002, and Exercise of Enforcement Discretion IR 05000454/20240012024-05-10010 May 2024 Integrated Inspection Report 05000454/2024001; 05000455/2024001 and 07200068/2024001 IR 05000454/20244012024-04-0303 April 2024 Cyber Security Inspection Report 05000454/2024401 and 05000455/2024401 (Public) IR 05000454/20230112024-03-20020 March 2024 Fire Protection Team Inspection Report 05000454/2023011 and 05000455/2023011 IR 05000454/20240102024-03-15015 March 2024 Comprehensive Engineering Team Inspection Report 05000454/2024010 and 05000455/2024010 IR 05000454/20230062024-02-28028 February 2024 Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000455/2023006 and 05000454/2023006) IR 05000454/20230042024-02-0202 February 2024 Integrated Inspection Report 05000454/2023004 and 05000455/2023004 IR 05000454/20233012023-11-27027 November 2023 NRC Initial License Examination Report 05000454/2023301 and 05000455/2023301 IR 05000454/20230032023-11-13013 November 2023 Integrated Inspection Report 05000454/2023003 and 05000455/2023003 and Exercise of Enforcement Discretion ML23251A1622023-09-29029 September 2023 Steam Generator Tube Inspection Reports to Reflect TSTF-577 Reporting Requirements IR 05000454/20235012023-08-31031 August 2023 – Emergency Preparedness Biennial Exercise Inspection Report 05000454/2023501 and 05000455/2023501 IR 05000454/20230052023-08-30030 August 2023 Updated Inspection Plan for Byron Station (Report 05000454/2023005 and 05000455/2023005) IR 05000454/20230022023-08-0303 August 2023 Integrated Inspection Report 05000454/2023002 and 05000455/2023002 IR 05000454/20234022023-07-18018 July 2023 Baseline Security Inspection Document; 05000454/2023402; 05000455/2023402 IR 05000454/20230012023-05-0505 May 2023 Integrated Inspection Report 05000454/2023001 and 05000455/2023001 IR 05000454/20230102023-04-19019 April 2023 License Phase 1 Report 05000454/2023010 IR 05000454/20234012023-03-30030 March 2023 Baseline Security Inspection 05000454/2023401; and 05000455/2023401 IR 05000454/20223012023-03-0707 March 2023 NRC Initial License Examination Report 05000454/2022301 and 05000455/2022301 IR 05000454/20220062023-03-0101 March 2023 Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000455/2022006 and 05000454/2022006) IR 05000454/20220042023-02-0101 February 2023 Integrated Inspection Report 05000454/2022004 and 05000455/2022004 IR 05000454/20220102023-01-17017 January 2023 Design Basis Assurance Inspection (Programs) Inspection Report Report 05000454/2022010 and 05000455/2022010 IR 05000454/20224032022-12-28028 December 2022 Cyber Security Inspection Report 05000454/2022403 and 05000455/2022403 IR 05000454/20224052022-12-0909 December 2022 Material Control and Accounting Program Inspection Report 05000454/2022405 and 05000455/2022405 IR 05000454/20220032022-11-0707 November 2022 Integrated Inspection Report 05000454/2022003 and 05000455/2022003 BYRON 2022-0072, Steam Generator Tube Inspection Report for Refueling Outage 232022-10-27027 October 2022 Steam Generator Tube Inspection Report for Refueling Outage 23 IR 05000454/20220052022-08-24024 August 2022 Updated Inspection Plan for Byron Station Units 1 and 2 (Report 05000454/2022005; 05000455/2022005) IR 05000454/20224022022-08-0909 August 2022 Security Baseline Inspection Report 05000454/2022402 and 05000455/2022402 IR 05000454/20220012022-05-0303 May 2022 Integrated Inspection Report 05000454/2022001 and 05000455/2022001 IR 05000454/20220022022-04-26026 April 2022 Unit 2 RFI for an NRC Triennial Heat Exchanger/Sink Performance Inspection and RFI IR 05000454/2022002 05000455/2022002 IR 05000454/20224012022-04-0404 April 2022 Security Baseline Inspection Report 05000454/2022401 and 05000455/2022401 IR 05000454/20210062022-03-0202 March 2022 Annual Assessment Letter for Byron Station, Units 1 and 2 (Report 05000454/2021006 and 05000455/2021006) IR 05000454/20210042022-02-11011 February 2022 Integrated Inspection Report 05000454/2021004 and 05000455/2021004 IR 05000454/20210122022-01-0606 January 2022 Biennial Problem Identification and Resolution Inpsection Report 05000454/2021012 and 05000455/2021012 IR 05000454/20213012021-12-17017 December 2021 NRC Initial License Examination Report 05000454/2021301; 05000455/2021301 IR 05000454/20214032021-11-22022 November 2021 Security Baseline Inspection Report 05000454/2021403 and 05000455/2021403 IR 05000454/20210032021-10-29029 October 2021 Integrated Inspection Report 05000454/2021003 and 05000455/2021003 and Exercise of Enforcement Discretion IR 05000454/20214022021-09-28028 September 2021 Security Baseline Inspection Report 05000454/2021402 and 05000455/2021402 IR 05000454/20210052021-09-0101 September 2021 Updated Inspection Plan for Byron Station Units 1 and 2 (05000454/2021005 and 05000455/2021005) IR 05000454/20210022021-08-0404 August 2021 Integrated Inspection Report 05000454/2021002; 05000455/2021002; and 07200068/2021001 IR 05000454/20210112021-05-14014 May 2021 Design Basis Assurance Inspection (Teams) Inspection Report 05000454/2021011 and 05000455/2021011 IR 05000454/20215012021-04-21021 April 2021 Emergency Preparedness Biennial Exercise Inspection Report 05000454/2021501 and 05000455/2021501 IR 05000454/20210012021-04-20020 April 2021 Integrated Inspection Report 05000454/2021001 and 05000455/2021001 IR 05000454/20214012021-03-24024 March 2021 Security Baseline Inspection Report 05000454/2021401 and 05000455/2021401 IR 05000454/20180102021-03-19019 March 2021 Closure of Auxiliary Feedwater System Unresolved Item 05000454/2018010-04 and 05000455/2018010-04 IR 05000454/20200062021-03-0404 March 2021 Annual Assessment Letter for Byron Station (Report 05000454/2020006 and 05000455/2020006) IR 05000454/20210102021-02-0909 February 2021 Triennial Fire Protection Inspection Report 05000454/2021010 and 05000455/2021010 IR 05000454/20200042021-01-27027 January 2021 Integrated Inspection Report 05000454/2020004 and 05000455/2020004 IR 05000454/20204032020-12-16016 December 2020 Security Baseline Inspection Report 05000454/2020403 and 05000455/2020403 2024-08-08
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