| TSTF-22-04, Technical Specifications Task Force - Transmittal of TSTF-591, Revision 0, Revise Risk Informed Completion Time (RICT) Program | 22 March 2022 | Technical Specifications Task Force - Transmittal of TSTF-591, Revision 0, Revise Risk Informed Completion Time (RICT) Program | Post Accident Monitoring
Probabilistic Risk Assessment
Pressure and Temperature Limits Report
Affidavit |
| TSTF-20-04, Technical Specifications Task Force - Transmittal of TSTF-577, Revision 0, Revised Frequencies for Steam Generator Tube Inspections | 8 June 2020 | Technical Specifications Task Force - Transmittal of TSTF-577, Revision 0, Revised Frequencies for Steam Generator Tube Inspections | Non-Destructive Examination
Post Accident Monitoring
Nondestructive Examination
Pressure and Temperature Limits Report |
| TSTF-19-09, Technical Specifications Task Force - Transmittal of TSTF-576, Revision 0, Revise Safety/Relief Valve Requirements | 13 December 2019 | Technical Specifications Task Force - Transmittal of TSTF-576, Revision 0, Revise Safety/Relief Valve Requirements | Anticipated operational occurrence
Surveillance Frequency Control Program |
| TSTF-19-10, Transmittal of Errata Changes to TSTF-541, Revision 2, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position | 28 August 2019 | Transmittal of Errata Changes to TSTF-541, Revision 2, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position | Ultimate heat sink
Anticipated operational occurrence
Water Inventory Control
Surveillance Frequency Control Program |
| ML19056A425 | 21 February 2019 | NRC Staff Feedback to TSTF Proposed Revision to TSTF-541, Add Exceptions to Surveillance Requirements When the Safety Function Is Being Performed. | |
| TSTF-16-07, Technical Specifications Task Force - Revision 2 of TSTF-551, Revise Secondary Containment Surveillance Requirements. | 12 May 2016 | Technical Specifications Task Force - Revision 2 of TSTF-551, Revise Secondary Containment Surveillance Requirements. | Surveillance Frequency Control Program |
| TSTF-14-05, Transmittal of TSTF-545, Revision 1, TS Inservice Testing Program Removal. | 4 March 2014 | Transmittal of TSTF-545, Revision 1, TS Inservice Testing Program Removal. | Safe Shutdown
Time of Discovery
High Radiation Area
Non-Destructive Examination
Stroke time
Anticipated operational occurrence
Tornado Missile
Internal Flooding
Enforcement Discretion
Functionality Assessment
Incorporated by reference
Missed surveillance
Surveillance Frequency Control Program
Pressure Boundary Leakage |
| TSTF-10-24, Submittal of TSTF-514, Revision 3, Revise BWR Operability Requirements and Actions for RCS Leakage Instrumentation. | 24 November 2010 | Submittal of TSTF-514, Revision 3, Revise BWR Operability Requirements and Actions for RCS Leakage Instrumentation. | Grab sample
Enforcement Discretion
Pressure Boundary Leakage |
| TSTF-10-12, Transmittal of TSTF-525, Revision 0, Post Accident Monitoring Instrumentation Requirements (WCAP-15981-NP-A) | 30 August 2010 | Transmittal of TSTF-525, Revision 0, Post Accident Monitoring Instrumentation Requirements (WCAP-15981-NP-A) | Safe Shutdown
Reactor Vessel Water Level
Anticipated operational occurrence
Post Accident Monitoring
Probabilistic Risk Assessment
Nondestructive Examination
Surveillance Frequency Control Program
Severe Accident Management Guideline
Affidavit |
| TSTF-10-05, Transmittal of TSTF-523, Revision 0, Generic Letter 2008-01, Managing Gas Accumulation | 29 June 2010 | Transmittal of TSTF-523, Revision 0, Generic Letter 2008-01, Managing Gas Accumulation | Boric Acid
Reactor Vessel Water Level
Stroke time
Time to boil
Functionality Assessment |
| ML102500295 | 10 May 2010 | WCAP-16364-NP, Revision 2, Implementation Guidance for Risk Informed Modification to Selected Required Action End States at Combustion Engineering NSSS Plants (TSTF-422) | Safe Shutdown
Ultimate heat sink |
| ML093340364 | 5 April 2010 | Models for Adoption of TSTF-514, Revision 1, Revise BWR Operability Requirements and Actions for RCS Leakage Instrumentation | Grab sample
Pressure Boundary Leakage |
| TSTF-09-08, Transmittal of TSTF-510, Revision 0, Revision to Steam Generator Program Inspection Frequencies and Tube Sample Selection. | 26 March 2009 | Transmittal of TSTF-510, Revision 0, Revision to Steam Generator Program Inspection Frequencies and Tube Sample Selection. | Non-Destructive Examination
Post Accident Monitoring
Nondestructive Examination |
| TSTF-08-05, TSTF-506, Revision 0, Revise Primary Containment and Drywell Hydrogen Igniter Specification to Not Require Recombiners. | 4 March 2008 | TSTF-506, Revision 0, Revise Primary Containment and Drywell Hydrogen Igniter Specification to Not Require Recombiners. | Probabilistic Risk Assessment
Significance Determination Process
Large early release frequency
Severe Accident Management Guideline
Earthquake
Fuel cladding |
| TSTF-07-26, TSTF-500, Revision 0, DC Electrical Rewrite - Update to TSTF-360. | 31 August 2007 | TSTF-500, Revision 0, DC Electrical Rewrite - Update to TSTF-360. | Safe Shutdown
Anticipated operational occurrence
Probabilistic Risk Assessment
Battery sizing
Recently irradiated fuel |
| TSTF-07-14, TSTF-493, Revision 2, Clarify Application of Setpoint Methodology for LSSS Functions. | 16 April 2007 | TSTF-493, Revision 2, Clarify Application of Setpoint Methodology for LSSS Functions. | Safe Shutdown
Reactor Vessel Water Level
Anticipated operational occurrence
Incorporated by reference
Scram Discharge Volume
Fuel cladding
Backfit
Coast down |
| ML070810523 | 31 August 1996 | NEI 96-06, Improved Technical Specifications Conversion Guidance. | Incorporated by reference
Backfit |