United States Nuclear Regulatory Commission - Protecting People and the Environment

– Quarterly Performance Summary

Performance Indicators

Reactor Safety Radiation Safety Safeguards
Initiating Events Mitigating Systems Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Security

Unplanned Scrams () Safety System Functional Failures () Reactor Coolant System Activity () Drill/Exercise Performance () Occupational Exposure Control Effectiveness () RETS/OCDM Radiological Effluent () Protected Area Equipment ()
Unplanned Power Changes() Emergency AC Power Systems() Reactor Coolant System Leakage() ERO Drill Participation()
Unplanned Scrams with Complications() High Pressure Injection Systems() Alert and Notification System()
Heat Removal Systems()
Residual Heat Removal Systems()
Cooling Water Systems()

Current data as of:
Reactor Safety Radiation Safety Safeguards
Initiating Events Mitigating Systems Barrier Integrity Emergency Preparedness Occupational Radiation Safety Public Radiation Safety Security

Miscellaneous Findings

  • Assessment Letters

Current data as of:
Legend: R=Red W=White GTG=Greater Than Green I=Insufficient Data to Calculate PI U=Unique Design
Y=Yellow G=Green T=Thresholds under development N=Not Applicable D=Discrepant
Page Last Reviewed/Updated Friday, April 20, 2018