| | Start date | Site | Title | Topic |
|---|
| ULNRC-06922, Enclosure 8: Evaluation of Changes for AST RE-Analysis for an Increase in Fuel Burnup | 28 January 2026 | Callaway | Enclosure 8: Evaluation of Changes for AST RE-Analysis for an Increase in Fuel Burnup | Loss of Offsite Power
Deep Dose Equivalent
Accident Tolerant Fuel
Pre-submittal
Spent fuel rack
Leak-Before-Break |
| ENS 58136 | 27 January 2026 08:00:00 | Loma Linda University | Medical Event | TheraSphere |
| ENS 58125 | 21 January 2026 02:41:00 | Cedars Sinai Medical Center | Medical Event | TheraSphere
Underdose |
| CNL-25-048, Units 1 and 2, Application to Revise Technical Specification 5.5.3 Radioactive Effluent Controls Program to Support Revision of the Offsite Dose Calculation Manual That Accounts for Radionuclides Generated When Using Potassium Hydroxide | 15 January 2026 | Sequoyah | Units 1 and 2, Application to Revise Technical Specification 5.5.3 Radioactive Effluent Controls Program to Support Revision of the Offsite Dose Calculation Manual That Accounts for Radionuclides Generated When Using Potassium Hydroxide | Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
License Renewal |
| ENS 58112 | 9 January 2026 06:00:00 | Northwestern Memorial Healthcare | Medical Event | TheraSphere
Reactive Inspection |
| L-2025-190, Unit 1, Corrected Amendment 33 to the Updated Final Safety Analysis Report, Chapter 12, Radiation Protection | 29 December 2025 | Saint Lucie | Unit 1, Corrected Amendment 33 to the Updated Final Safety Analysis Report, Chapter 12, Radiation Protection | Boric Acid
Loop seal
High Radiation Area
Grab sample
Anticipated operational occurrence
Coatings
Fuel cladding
Power Uprate
Overexposure
Spent fuel rack
Spill |
| ENS 58096 | 19 December 2025 17:39:00 | University Of Michigan Hospital | Medical Event | TheraSphere |
| ENS 58083 | 12 December 2025 14:59:00 | Henry Ford Hospital | Medical Event | TheraSphere |
| ENS 58085 | 12 December 2025 05:00:00 | Thomas Jefferson University Hospitals | Medical Event | TheraSphere
Reactive Inspection |
| ML25345A127 | 11 December 2025 | Oyster Creek | Nuclear Generating Station, Technical Support Document No. 24-108, Rev. 1, Instrument Efficiency Determination for Use in Min. Detectable Concentration Calculations for Final Status Surveys at OCNGS | Coatings |
| ENS 58110 | 26 November 2025 05:00:00 | Memorial Sloan-Kettering | Medical Event | |
| ENS 58064 | 25 November 2025 05:00:00 | Aultman Hospital | Medical Event | Underdose |
| ENS 58039 | 12 November 2025 08:00:00 | University Of California - Los Angeles | Medical Event | Brachytherapy |
| ENS 58053 | 30 October 2025 08:00:00 | The Regents Of University Of Ca | Medical Event | |
| ML25307A011 | 30 October 2025 | Cook | Units 1 and 2 - Updated Final Safety Analysis Report (Ufsar), Revision 33, Chapter 14, Section 14.3, Tables 14.3.1-1 to 14.3.9-23, 14.A.1-1 to 14.G-3 (Unit 1) | Boric Acid
Loop seal
Fire Barrier
Coatings
Spill |
| ML25290A113 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Appendix 15b, Accident Dose Model Descriptions | Deep Dose Equivalent
Unidentified leakage
Control Room Habitability |
| ML25290A087 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 12, Section 12.2, Radiation Sources | Feedwater Heater
Process Control Program
Power Uprate |
| ML25290A081 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.4, Solid Waste Management System | Process Control Program
Spent fuel rack |
| ML25290A079 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.5, Process and Effluent Radiolgocial Monitoring and Sampling Systems | Grab sample
Anticipated operational occurrence
Control Room Habitability |
| ML25290A101 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Section 15.6, Decrease in Reactor Coolant Inventory | Safe Shutdown
Safe Shutdown Earthquake
Feedwater Heater
Loss of Offsite Power
Excess Flow Check Valve
Earthquake
Power Uprate |
| ML25290A083 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.2, Liquid Waste Management Systems | Grab sample
Anticipated operational occurrence
Spill |
| ML25290A105 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Section 15.4, Reactivity and Power Distributions Anomalies | Shutdown Margin
Main Steam Line Radiation Monitor
Rod Drop Event
Power Uprate |
| ML25283A007 | 9 October 2025 | Point Beach | Units 1 and 2, Periodic Update of the Updated Final Safety Analysis Report, Chapter 9, Auxiliary and Emergency Systems (Redacted) | Safe Shutdown
Boric Acid
Shutdown Margin
Loop seal
Offsite Dose Calculation Manual
Tornado Missile
Hydrostatic
Probabilistic Risk Assessment
Zebra Mussel
High Energy Line Break
Surveillance Frequency Control Program
Design basis earthquake
Loss of Offsite Power
License Renewal
Earthquake
Control of Heavy Loads
Turbine Missile
Fuel cladding
Fire Protection Program
Power change
GOTHIC
Power Uprate
Overspeed
Potassium iodide
Spent fuel rack
Gas accumulation
Operational convenience
Leak-Before-Break
Pressure locking
Full Core Offload |
| ML25283A010 | 9 October 2025 | Point Beach | Units 1 and 2, Periodic Update of the Updated Final Safety Analysis Report, Chapter 11, Waste Disposal Systems and Radiation Protection | Boric Acid
High Radiation Area
Grab sample
Offsite Dose Calculation Manual
Locked High Radiation Area
Fuel cladding
Mururoa
Power Uprate
Control Room Habitability
Unplanned intake
Spill |
| ENS 58005 | 22 September 2025 04:00:00 | Memorial Sloan Kettering Cancer Center | Medical Event | TheraSphere |
| ENS 57938 | 18 September 2025 05:00:00 | University Of Louisville | Medical Event | |
| Information Notice 2025-05, Recent Reported Medical Events Involving Gastrointestinal Deposition of Yttrium-90 Microspheres | 17 September 2025 | | Recent Reported Medical Events Involving Gastrointestinal Deposition of Yttrium-90 Microspheres | Brachytherapy
TheraSphere
Underdose |
| ENS 58028 | 11 September 2025 06:00:00 | University Of Texas | Medical Event | TheraSphere |
| ENS 57939 | 3 September 2025 05:00:00 | University Of Alabama In Birmingham | Medical Event | TheraSphere
Underdose |
| ML25217A313 | 5 August 2025 | | 2025 Qtr 2 Active Vendors, Active Products | Brachytherapy
Troxler
Exit Sign
TheraSphere |
| ML25203A330 | 1 August 2025 | | Methodology for Generating Maccs Site-Specific Input Files to Support Risk-Informed Radiological Consequence Assessment | Probabilistic Risk Assessment
Large early release frequency
Environmental Justice
Fatality |
| ML25212A112 | 31 July 2025 | 11006064 | Export License Public Issued to Baker Hughes Oilfield Operations, LLC, PXB169.05 | |
| ENS 57830 | 25 July 2025 04:00:00 | Adventist Health Systems | Medical Event | TheraSphere |
| ENS 57825 | 22 July 2025 05:00:00 | Rush University Medical Center | Medical Event | TheraSphere
Underdose
Reactive Inspection |
| ML25178B390 | 9 July 2025 | | July 9 2025 Letter to S. Dunkel Re Virginia Draft Impep Report | Brachytherapy
Stolen |
| ENS 57806 | 8 July 2025 16:18:00 | Ssm Health | Medical Event | Underdose |
| ENS 57845 | 7 July 2025 04:00:00 | Doctors Hospital | Medical Event | |
| ENS 57783 | 25 June 2025 05:00:00 | Northwestern Memorial Healthcare | Unplanned Contamination | Reactive Inspection |
| ML25169A038 | 16 June 2025 | 11006610 | Export License Issued to Schlumberger Technology Corporation PXB249.00 | |
| ML25087A147 | 16 June 2025 | | Consolidated Technical Analysis Table - Lv Liberty Vision Yttrium-90 Brachytherapy Source | Brachytherapy |
| ML24274A279 | 10 June 2025 | | Lv Liberty Vision Yttrium-90 Brachytherapy Source - Licensing Guidance | Brachytherapy |
| ENS 57758 | 9 June 2025 07:00:00 | Univ. Of California, Los Angeles | Medical Event | Brachytherapy
Underdose |
| ENS 57747 | 5 June 2025 04:00:00 | Medical University Hospital | Medical Event | Overexposure
Spill |
| ML25154A359 | 3 June 2025 | | ACMUI Recommendations and Action Table Spring 2025 | |
| NUREG-0090 Volume 47, Report to Congress on Abnormal Occurrences Fiscal Year 2024 | 31 May 2025 | | NUREG-0090, Vol. 47, Report to Congress on Abnormal Occurrences Fiscal Year 2024 | Notice of Violation
Deep Dose Equivalent
Brachytherapy
Stolen
Reactive Inspection |
| ML25139A473 | 19 May 2025 | 11006569 | Public Export License Issued to J L Shepherd and Associates for PXB243.02 | |
| ENS 57720 | 16 May 2025 16:41:00 | Defense Health Agency (Dha) | Medical Event | TheraSphere |
| ENS 57714 | 16 May 2025 05:00:00 | Advocate Christ Hospital And Medial Center | Medical Event | TheraSphere |
| ENS 57726 | 16 May 2025 04:00:00 | University Of Miami | Medical Event | |
| ML25136A297 | 16 May 2025 | Surry
North Anna | Units 1 and 2 & Surry Power Station, Units 1 and 2 - Proposed License Amendment Requests to Update Main Steam Line Break Alternative Source Term Dose Consequences Analyses | Safe Shutdown
Mission time
Probabilistic Risk Assessment
Met Tower
Loss of Offsite Power
Time Critical Operator Action
Earthquake
Deep Dose Equivalent
Operational leakage
Control Room Habitability |