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 Start dateSiteTitleReporting criterionSystemTopic
ENS 5618827 October 2022 07:00:00Southern California GeotechnicalHigh Exposure Read on TLDAgreement State
ENS 5613530 September 2022 20:08:00Saint LucieSafety System Inoperability10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
ENS 5612826 September 2022 21:41:00Saint LucieSafety System Inoperability10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
ENS 5605920 August 2022 04:42:00Grand GulfTechnical Specification Required Shutdown10 CFR 50.72(b)(2)(i), Tech Spec Required ShutdownAutomatic Depressurization System
ENS 5605819 August 2022 17:15:00Grand GulfFour Automatic Depressurization System Valves Inoperable10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentAutomatic Depressurization System
ENS 5605618 August 2022 13:48:00Mitsubishi PowerBroken Window on Nuclear GaugeAgreement State
ENS 5605418 August 2022 01:08:00FermiSafety System Inoperability10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentHigh Pressure Coolant Injection
Reactor Core Isolation Cooling
HVAC
Automatic Depressurization System
Emergency Equipment Cooling Water
Time of Discovery
Ultimate heat sink
ENS 5601323 July 2022 00:49:00Wolf CreekAuxiliary Feedwater Actuation Signal Received Due to Human Performance Error10 CFR 50.72(b)(3)(iv)(A), System ActuationFeedwater
Auxiliary Feedwater
ENS 559308 June 2022 01:00:00Louisiana Energy ServicesUF6 Leakage Inside AutoclavePart 70 App A (A)(4)
ENS 5587129 April 2022 16:51:00FitzPatrickHigh Pressure Coolant Injection (HPCI) Inoperable10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentHigh Pressure Coolant InjectionTime of Discovery
ENS 5586629 April 2022 03:55:00SequoyahNotice of Unusual Event10 CFR 50.72(a)(1)(i), Emergency Class DeclarationOperating Basis Earthquake
ENS 558317 April 2022 23:00:00Turkey PointBoth Trains of Residual Heat Removal Inoperable10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual HeatResidual Heat Removal
ENS 5578512 March 2022 05:50:00Turkey PointMain Steam Isolation Valve Failed to Shut10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentMain Steam Isolation Valve
ENS 5578010 March 2022 01:13:00BrunswickHigh Pressure Coolant Injection (HPCI) Inoperable10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentHigh Pressure Coolant Injection
Reactor Core Isolation Cooling
Automatic Depressurization System
ENS 557759 March 2022 00:19:00Davis BesseFITNESS-FOR-DUTY Report - Contract Supervisor Failed FITNESS-FOR-DUTY Test10 CFR 26.719
ENS 557707 March 2022 17:45:00Louisiana Energy ServicesItem Relied on for Safety (IROFS) InoperablePart 70 App A (A)(4)
ENS 5571527 January 2022 16:38:00CooperLoss of Meteorlogical Data Acquisition System10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
ENS 556821 January 2022 17:10:00ColumbiaHigh Pressure Core Spray System Declared Inoperable10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentService water
Reactor Core Isolation Cooling
High Pressure Core Spray
ENS 5567422 December 2021 17:45:00HarrisLoss of Siren System10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
ENS 5565215 December 2021 21:38:00U.S. Air ForceLeaking Source from Aircraft Radium Dial10 CFR 30.50(b)(2)
ENS 5564314 December 2021 16:00:00Monument HealthNON-AGREEMENT State Report - Medical Underdose10 CFR 35.3045(a)(1)
ENS 5561730 November 2021 05:00:00Sentara Norfolk General HospitalUnderdose of Patient Medical EventAgreement State
ENS 5560419 November 2021 06:00:00Dak Americas MississippiStuck ShutterAgreement StateStolen
ENS 5557412 November 2021 21:05:00Turkey PointReactor Coolant System Pressure Boundary Degraded10 CFR 50.72(b)(3)(ii)(A), Seriously DegradedReactor Coolant SystemThrough-Wall Leak
ENS 555645 November 2021 18:07:00Louisiana Energy ServicesLoss of High Radiation Audible Alarm10 CFR 70.50(b)(2)
ENS 5552918 October 2021 00:30:00Prairie IslandEmergency Diesel Generators Simultaneously Inoperable10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentEmergency Diesel Generator
ENS 5552214 October 2021 17:20:00FermiTraversing IN-CORE Probe a Ball Valve Inoperable10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive MaterialPrimary containment
ENS 5545712 September 2021 21:28:00North AnnaDegraded Condition Identified While Unit Shutdown10 CFR 50.72(b)(3)(ii)(A), Seriously DegradedReactor Coolant SystemPressure Boundary Leakage
ENS 554508 September 2021 17:37:00SummerNotification of Environmental Report to Another Government Agency10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release
ENS 5542421 August 2021 20:00:00Oregon Health And Science UniversityPrescribed Dose ExceededAgreement State
ENS 5542120 August 2021 13:05:00SequoyahAuxiliary Building Gas Treatment Systems Inoperable10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive MaterialSecondary containment
Auxiliary Building Gas Treatment System
Time of Discovery
Past operability
ENS 5540311 August 2021 10:34:00FermiHPCI Inoperability10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentHigh Pressure Coolant Injection
Reactor Pressure Vessel
ENS 5538830 July 2021 17:05:00Rodriguez Sun GroupDamaged Instrotek Moisture Density Gauge10 CFR 30.50(b)(2)Moisture Density Gauge
ENS 5532624 June 2021 22:00:00Curium PharmaUnplanned Contamination to an Individual10 CFR 30.50(a)Deep Dose Equivalent
ENS 5530311 June 2021 21:10:00HatchTechnical Specificiation Required Shutdown10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
ENS 5528428 May 2021 20:00:00Iris NdtPotential Overexposure to RadiographerAgreement State
ENS 5526117 May 2021 16:38:00Peach BottomUnusual Event Due to a Fire Alarm Inside the Drywell10 CFR 50.72(a)(1)(i), Emergency Class Declaration
ENS 5525712 May 2021 00:00:00University Of California DavisOverdose and Wrong Treatment SiteAgreement State
ENS 5524510 May 2021 12:30:00Va Pittsburgh Healthcare SystemMedical Event - Patient Underdose10 CFR 35.3045(a)(1)
ENS 552867 April 2021 05:00:00Spencer Municipal HospitalMedical EventAgreement State
ENS 551726 April 2021 01:49:00PerryManual Reactor Protection System (Rps) Actuation at Zero Percent Power10 CFR 50.72(b)(3)(iv)(A), System ActuationReactor Protection System
Control Rod
ENS 551704 April 2021 15:30:00Good Samaritan HospitalPatient Receives Wrong Dose10 CFR 35.3045(a)(1)
ENS 5514518 March 2021 06:00:00Sanford Medical CenterMedical Event (Incorrect Dose Location)Agreement State
ENS 551298 March 2021 16:27:00Suspected Tech Spec Power Limit ExceededNon
ENS 5508022 January 2021 00:07:00Curium Uspet LlcLow Level Contamination of Future Production Area10 CFR 30.50(b)(1)
ENS 5506211 January 2021 06:00:00Church Of Jesus Christ Latter Day SaintsTwo Missing Tritium Exit SignsAgreement StateTritium Exit Sign
Tritium
Moisture Density Gauge
ENS 551266 January 2021 06:00:00Crane Nuclear, Inc.Interim Part 21 Report - Weld Procedures Do Not Meet Asme Code10 CFR 21.21(d)(3)(i), Failure to Comply or Defect
ENS 5503614 December 2020 17:40:00Turkey PointCharging Pump and Boration Flowpaths Simultaneously Inoperable10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the ReactorPast operability
ENS 550213 December 2020 05:00:00Inova Fairfax Medical CampusMedical Event Report - UnderdosageAgreement State
ENS 549835 November 2020 03:50:00Browns FerryHigh Pressure Coolant Injection Inoperable10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an AccidentHigh Pressure Coolant InjectionTime of Discovery