Mn-54

Isotope Manganese - 54

	Start date	Site	Title	Topic
CNL-25-048, 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	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
L-2025-190, Corrected Amendment 33 to the Updated Final Safety Analysis Report, Chapter 12, Radiation Protection	29 December 2025	Saint Lucie	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
ML25345A130	11 December 2025	Oyster Creek	Technical Support Document No. 24-063, Rev. 0, Basement Fill Model: Calculation of Dcglw/F Values Assuming Industrial Use Scenario Exposure Pathways
ML25345A098	11 December 2025	Oyster Creek	Site Radiological Characterization, Revision 1	Grab sample Spill
ML25345A112	11 December 2025	Oyster Creek	Calculation ENG-OCS-004, Rev. 0, Resrad Building Surface Dcgl Values
ML25345A111	11 December 2025	Oyster Creek	Technical Support Document No. 25-015, Rev. 0, Building Surface Dcgl Values
ML25345A113	11 December 2025	Oyster Creek	Calculation ENG-OCS-006, Rev. 1, Area Factors for Use with Oyster Creek Dcgl Values for Buildings/Structures
ML25345A114	11 December 2025	Oyster Creek	Calculation ENG-OCS-007, Rev. 0, RESRAD-Onsite Probabilistic Analysis - Industrial Use Scenario
ML25345A115	11 December 2025	Oyster Creek	Calculation ENG-OCS-008, Rev. 0, Derived Concentration Guideline Levels Values for Soil - Industrial Use Scenario
ML25345A116	11 December 2025	Oyster Creek	Calculation ENG-OCS-009, Rev. 0, Area Factors for Soil - Industrial Use Scenario
ML25345A117	11 December 2025	Oyster Creek	Calculation ENG-OCS-012, Rev. 0, Basement Fill Model: Probabilistic Analysis for Instantaneous Release Scenario Assuming Industrial Use Exposure Pathways
ML25345A118	11 December 2025	Oyster Creek	Calculation ENG-OCS-013, Rev. 1, Basement Fill Model: Calculation of Dcgl W/F Values Assuming Industrial Use of Scenario Exposure Pathways
ML25345A119	11 December 2025	Oyster Creek	Calculation ENG-OCS-014, Rev. 0, Basement Fill Model: Probabilistic Analysis for Embedded Pipes Scenario
ML25345A124	11 December 2025	Oyster Creek	Calculation ENG-OCS-015, Rev. 1, Basement Fill Model: Calculation of Embedded Pipe Dcgl Values
ML25345A125	11 December 2025	Oyster Creek	Calculation ENG-OCS-016, Rev. 0, Calculation of Buried Pipe Dcgl Values
ML25345A127	11 December 2025	Oyster Creek	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
ML25345A129	11 December 2025	Oyster Creek	Technical Support Document No. 24-055, Rev. 0, Basement Fill Model: Probabilistic Analyses for the Instantaneous Release Scenario Assuming Industrial Use Exposure Pathways
ML25345A133	11 December 2025	Oyster Creek	Technical Support Document No. 24-081, Rev. 2, Groundwater Dose Calculation Methodology to Support the License Termination Plan
ML25345A132	11 December 2025	Oyster Creek	Technical Support Document No. 24-062, Rev. 1, Method for Determining Nuclide Fractions and Gross Activity Dcgls
ML25345A137	11 December 2025	Oyster Creek	Technical Support Document No. 24-111, Rev. 0, Surface/Sub Surface Characterization Survey Plan	Spill
ML25345A138	11 December 2025	Oyster Creek	Technical Support Document No. 24-085, Rev. 0, Probabilistic Dose Comparisons: Building Occupancy Scenario Vs. Room Renovation Scenario
ML25345A139	11 December 2025	Oyster Creek	Technical Support Document No. 25-089, Rev. 0, Soil Dcgl Values Assuming the Residential Scenario Without Drinking Water
ML25345A140	11 December 2025	Oyster Creek	Technical Support Document No. 25-090, Rev. 0, Soil Dcgl Values Assuming the Residential Scenario with Drinking Water
ML25345A141	11 December 2025	Oyster Creek	Technical Support Document No. 25-091, Rev. 0, Bfm Dcgl W/F Values Assuming the Residential Scenario Without Drinking Water
ML25345A142	11 December 2025	Oyster Creek	Technical Support Document No. 25-092, Rev. 0, Bfm Dcgl W/F Values Assuming the Residential Scenario with a Drinking Water Pathway
ML25345A143	11 December 2025	Oyster Creek	Technical Support Document No. 25-093, Rev. 0, Bfm Dcglep Values Assuming the Residential Scenario Without Drinking Water
ML25345A144	11 December 2025	Oyster Creek	Technical Support Document No. 25-096, Rev. 0, Bfm Dcglep Values Assuming the Residential Scenario with Drinking Water
ML25345A145	11 December 2025	Oyster Creek	Technical Support Document No. 25-101, Rev. 0, Dcglbp Values Assuming the Residential Scenario Without Drinking Water
ML25345A149	11 December 2025	Oyster Creek	Technical Support Document No. 25-102, Rev. 0, Dcglbp Values Assuming the Residential Scenario with Drinking Water
ML25345A150	11 December 2025	Oyster Creek	Technical Support Document No. 25-103, Rev. 0, Industrial Use Scenario with Open Drinking Water Pathway: an Assessment of Impact on Dcgl Values for Surface Soil
ML25345A151	11 December 2025	Oyster Creek	Technical Support Document No. 25-105, Rev. 0, Industrial Use Scenario with Open Drinking Water Pathway: an Assessment of Impact on Bfm Dcglw/F Values
ML25345A152	11 December 2025	Oyster Creek	Technical Support Document No. 25-107, Rev. 0, Industrial Use Scenario with Open Drinking Water Pathway: an Assessment of Impact on Bfm Dcglep Values
ML25345A153	11 December 2025	Oyster Creek	Technical Support Document No. 25-108, Rev. 0, Industrial Use Scenario with Open Drinking Water Pathway: an Assessment of Impact on Bfm Dcglbp Values
ML25288A018	15 October 2025	Crystal River	Enclosure 11 - ADP CR3, LLC, History of Settling Pond Activity Levels and Work Activity, May 20, 2025	Sewage Treatment Plant
ML25290A087	13 October 2025	Susquehanna	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	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	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
ML25290A078	13 October 2025	Susquehanna	Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.1, Source Terms	Stress corrosion cracking Fuel cladding Power Uprate Spill
ML25290A080	13 October 2025	Susquehanna	Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.3, Gaseous Waste Management Systems	Grab sample Anticipated operational occurrence Safe Shutdown Earthquake Earthquake Fuel cladding
ML25290A082	13 October 2025	Susquehanna	Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.6, Low Level Radwaste Holding Facility (Llrwhf)	Offsite Dose Calculation Manual Loss of Offsite Power Earthquake Fire Protection Program Scaffolding Control Room Habitability
ML25290A083	13 October 2025	Susquehanna	Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.2, Liquid Waste Management Systems	Grab sample Anticipated operational occurrence Spill
ML25290A017	13 October 2025	Susquehanna	Updated Final Safety Analysis Report, Rev. 72, Chapter 2, Section 2.4, Hydrologic Engineering	Safe Shutdown Ultimate heat sink Hydrostatic Operating Basis Earthquake Design basis earthquake Earthquake Power Uprate
ML25283A007	9 October 2025	Point Beach	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	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
ML25280A138	1 October 2025	Oregon State University	Forwards Oregon State University Triga Reactor (OSTR) Annual Report for Period July 2024 Through June 30, 2025	Earthquake
W3F1-2025-0046, Resubmittal of Annual Radiological Environmental Operating Report (AREOR) - 2024	25 September 2025	Waterford	Resubmittal of Annual Radiological Environmental Operating Report (AREOR) - 2024	Offsite Dose Calculation Manual Annual Radioactive Effluent Release Report Annual Radiological Environmental Operating Report Chernobyl Spill
ML25205A216	9 September 2025	07109270	Enclosure 1 - CoC No. 9270, Revision No. 7 for the Model No. Ums Universal Transport Cask Package	Exclusive Use
SVPLTR 25-0054, Revision to 2024 Annual Radioactive Effluent Release Report	8 August 2025	Dresden	Revision to 2024 Annual Radioactive Effluent Release Report	Grab sample Offsite Dose Calculation Manual Annual Radioactive Effluent Release Report Sewage Treatment Plant Annual Radiological Environmental Operating Report Process Control Program
ML25160A107	9 June 2025	Calvert Cliffs	Independent Spent Fuel Storage Installation - Annual Radioactive Effluent Release Report	Offsite Dose Calculation Manual Annual Radioactive Effluent Release Report Annual Radiological Environmental Operating Report Process Control Program
ML25140A114	19 May 2025	Peach Bottom	Annual Radiological Environmental Operating Report 82, January 1, 2024 Through December 31, 2024	Grab sample Offsite Dose Calculation Manual Annual Radioactive Effluent Release Report Annual Radiological Environmental Operating Report Chernobyl
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