TS-3.6.4.1
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For secondary containment
| Start date | Site | Title | Reporting criterion | |
|---|---|---|---|---|
| L-MT-25-031, Site Specific Emergency Action Level Technical Basis Documents Change | 24 September 2025 | Monticello | Site Specific Emergency Action Level Technical Basis Documents Change | |
| 05000458/LER-2025-004, Unsecured Pressure Boundary Door Resulting in Condition That Could Have Prevented Fulfillment of a Safety Function | 16 September 2025 | River Bend | Unsecured Pressure Boundary Door Resulting in Condition That Could Have Prevented Fulfillment of a Safety Function | 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| 2CAN092501, Request to Revise Typographical Errors in Technical Specifications | 4 September 2025 | Arkansas Nuclear | Request to Revise Typographical Errors in Technical Specifications | |
| IR 05000298/2025002 | 11 August 2025 | Cooper | Integrated Inspection Report 050002982025002 | |
| ENS 57820 | 21 July 2025 20:48:00 | River Bend | Secondary Containment Door Unsecured | 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material |
| ML25134A164 | 14 May 2025 | Hope Creek | Enclosure 2, Volume 10: Hope Creek Generating Station - Improved Technical Specifications Conversion ITS Section 3.5 Emergency Core Cooling Systems (Eccs), RPV Water Inventory Control, and Reactor Core Isolation Cooling (RCIC) System | |
| CNL-25-041, License Amendment Request for Adoption of Technical Specifications Task Force (TSTF) Traveler TSTF-423-A, Revision 1, Technical Specifications End States, NEDC-32988-A, Using the Consolidated Line. | 10 April 2025 | Browns Ferry | License Amendment Request for Adoption of Technical Specifications Task Force (TSTF) Traveler TSTF-423-A, Revision 1, Technical Specifications End States, NEDC-32988-A, Using the Consolidated Line. | |
| ML25076A724 | 10 March 2025 | Quad Cities | Quad Cites Nuclear Power Station, Units 1 and 2, Request for Information Standby Gas Treatment System License Amendment Request | |
| ML24276A133 | 17 October 2024 | FitzPatrick | Issuance of Amendment No. 357 Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules, Revision-4, and Administrative Changes | |
| ML24165A038 | 4 September 2024 | FitzPatrick | Issuance of Amendment No. 356 Update Fuel Handling Accident Analysis | |
| ML24183A108 | 8 August 2024 | Quad Cities | – Issuance of Amendment Nos. 302 and 298 Adoption of Tstf-505, Provide Risk Informed Extended Completion Times – RITSTF Initiative 4b | |
| JAFP-24-0036, Supplement to License Amendment Request to Update the Technical Specification Bases to Change the Fuel Handling Accident Analysis | 29 July 2024 | FitzPatrick | Supplement to License Amendment Request to Update the Technical Specification Bases to Change the Fuel Handling Accident Analysis | |
| ML24101A179 | 25 June 2024 | Arkansas Nuclear | Issuance of Amendment No. 333 Revision to Technical Specifications to Adopt TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b | |
| 05000298/LER-2023-002-01, Secondary Containment Differential Pressure Perturbation Exceeds Technical Specifications | 6 June 2024 | Cooper | Secondary Containment Differential Pressure Perturbation Exceeds Technical Specifications | 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| ML24142A438 | 20 May 2024 | Hope Creek | Enclosure 2: Hope Creek Generating Station Improved Technical Specifications Conversion - Volume 10 | |
| IR 05000298/2023004 | 12 February 2024 | Cooper | Integrated Inspection Report 05000298/2023004 | |
| ML24003A770 | 18 January 2024 | Monthly (28-day) Federal Register Notice - Applications and Amendments to Facility Operating Licenses and Combined Licenses Involving No Significant Hazards Considerations - Publication Date: January 23, 2024 | ||
| ML23334A201 | 3 January 2024 | Cooper | Issuance of Amendment No. 274 Revision to Technical Specifications to Adopt TSTF-551, Revision 3, Revise Secondary Containment Surveillance Requirements | |
| 05000298/LER-2023-002, Secondary Containment Differential Pressure Perturbation Exceeds Technical Specifications | 20 December 2023 | Cooper | Secondary Containment Differential Pressure Perturbation Exceeds Technical Specifications | 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| JAFP-23-0065, License Amendment Request to Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules, Revision 4, and Administrative Changes to the Technical Specifications | 14 December 2023 | FitzPatrick | License Amendment Request to Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules, Revision 4, and Administrative Changes to the Technical Specifications | |
| JAFP-23-0048, Supplemental Information for License Amendment Request to Update the Technical Specification Bases to Change the Fuel Handling Accident Analysis | 31 August 2023 | FitzPatrick | Supplemental Information for License Amendment Request to Update the Technical Specification Bases to Change the Fuel Handling Accident Analysis | |
| JAFP-23-0040, License Amendment Request to Update the Technical Specification Bases to Change the Fuel Handling Accident Analysis | 3 August 2023 | FitzPatrick | License Amendment Request to Update the Technical Specification Bases to Change the Fuel Handling Accident Analysis | |
| ML23191A042 | 10 July 2023 | Browns Ferry | Final SRO Written Exam - Browns Ferry 2023-301 | |
| ML23172A129 | 3 July 2023 | Monthly (28-day) Federal Register Notice - Applications and Amendments to Facility Operating Licenses and Combined Licenses Involving No Significant Hazards Considerations - Publication Date: July 11, 2023 | ||
| ML23174A001 | 23 June 2023 | FitzPatrick | Pre-submittal Meeting Slides Regarding Update to the FitzPatrick Fuel Handling Accident Analysis with Impacts to Technical Specifications, June 26, 2023 | |
| ML23160A089 | 18 May 2023 | Dresden | Scenarios | |
| NLS2023017, Application to Revise Technical Specifications to Adopt TSTF-551, Revise Secondary Containment Surveillance Requirements | 3 May 2023 | Cooper | Application to Revise Technical Specifications to Adopt TSTF-551, Revise Secondary Containment Surveillance Requirements | |
| LR-N23-0024, Submittal of Hope Creek Generating Station Technical Specification Bases Changes | 29 March 2023 | Hope Creek | Submittal of Hope Creek Generating Station Technical Specification Bases Changes | |
| ML23160A061 | 16 March 2023 | Dresden | Proposed Scenarios | |
| ML23079A217 | 7 February 2023 | Quad Cities | Initial License Written Exam (Test Answer Key) (Quad Cities, 2023 Administered) | |
| ML23079A213 | 13 January 2023 | Quad Cities | Initial License Written Exam (Test Answer Key) (Quad Cities, 2023 Proposed) | |
| 05000416/LER-2022-002, Loss of Secondary Containment During Standby Gas Treatment System Testing Due to Boundary Leakage | 19 December 2022 | Grand Gulf | Loss of Secondary Containment During Standby Gas Treatment System Testing Due to Boundary Leakage | 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| ML23018A045 | 22 November 2022 | Cooper | CNS-2022-11 Draft Operating Test Comments | |
| ML23018A044 | 22 November 2022 | Cooper | CNS-2022-11 Final Outlines | |
| ML23018A042 | 22 November 2022 | Cooper | CNS-2022-11 Draft Outlines | |
| ML22292A035 | 10 November 2022 | Clinton | Issuance of Amendment No. 246 Secondary Containment and the Fuel Building Railroad Airlock (EPID L-2022- LLA-0055) | |
| ENS 56185 | 27 October 2022 17:28:00 | Grand Gulf | Secondary Containment Inoperable During Surveillance | 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material |
| ENS 56171 | 20 October 2022 09:27:00 | Grand Gulf | Secondary Containment Inoperable During Surveillance | 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material |
| 05000254/LER-2022-003, Both Trains of Standby Gas Treatment Inoperable Due to Blockage in the Common Discharge Line | 1 September 2022 | Quad Cities | Both Trains of Standby Gas Treatment Inoperable Due to Blockage in the Common Discharge Line | 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications |
| ML22180A195 | 10 June 2022 | Susquehanna | Technical Specifications Bases Unit 2 Manual | |
| ML22180A194 | 10 June 2022 | Susquehanna | Technical Specification Bases Unit 1 Manual | |
| RS-22-069, Constellation Nuclear Radiological Emergency Plan Addendum Revision. Includes EP-AA-1006, Addendum 3, Revision 10, Emergency Action Levels for Quad Cities Station | 25 May 2022 | Quad Cities | Constellation Nuclear Radiological Emergency Plan Addendum Revision. Includes EP-AA-1006, Addendum 3, Revision 10, Emergency Action Levels for Quad Cities Station | |
| ML22139A255 | 19 May 2022 | Clinton | Constellation Radiological Emergency Plan Addendum and Procedure Revision | |
| RS-22-056, Constellation Radiological Emergency Plan Addendum Revision | 21 April 2022 | Quad Cities | Constellation Radiological Emergency Plan Addendum Revision | |
| RS-22-020, Request for License Amendment to Revise the Secondary Containment Design Basis to Credit the Fuel Building Railroad Airlock | 7 April 2022 | Clinton | Request for License Amendment to Revise the Secondary Containment Design Basis to Credit the Fuel Building Railroad Airlock | |
| ML22032A311 | 18 February 2022 | Clinton | January 31, 2022, Summary of Presubmittal Meeting Between the U.S. Nuclear Regulatory Commission and Exelon Generation Company, LLC, Extending the Clinton Power Station, Unit 1, Secondary Containment to Include the Fuel Building Railroad Ai | |
| 05000388/LER-2021-002-01, Loss of Secondary Containment Due to Failed Differential Pressure Transmitter | 8 February 2022 | Susquehanna | Loss of Secondary Containment Due to Failed Differential Pressure Transmitter | 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| IR 05000333/2021004 | 27 January 2022 | FitzPatrick | Integrated Inspection Report 05000333/2021004 | |
| ... further results | ||||