Co-60

Isotope Cobalt - 60

	Start date	Site	Title	Topic
ENS 58216	25 March 2026 19:30:00	Cf Industries	Lost Source	Moisture Density Gauge
ML26057A158	5 March 2026		Technical Basis for Continued Applicability of GSI 187 Conclusions for Continued Use of TID 14844 to Demonstrate Compliance with 10 CFR 50.49 with Updated Accident Source Terms Endorsed in Later Versions of Regulatory Guide 1.183	Probabilistic Risk Assessment Generic Issues Program Backfit Power Uprate
L-2026-032, Annual Radioactive Effluent Release Report (ARERR) for 2025	26 February 2026	Turkey Point	Annual Radioactive Effluent Release Report (ARERR) for 2025	Offsite Dose Calculation Manual Met Tower Annual Radioactive Effluent Release Report Annual Radiological Environmental Operating Report Process Control Program
ML26051A050	26 February 2026	07109341	Enclosure 2 - CoC 9341 Rev 12	Exclusive Use
ML26030A200	25 February 2026	07109337	Safkeg-LS Model No. 3979A, CoC No. 9337, Revision 6, CoC
3F0226-02, Response to License Termination Plan Request for Supplemental Information	25 February 2026	Crystal River	Response to License Termination Plan Request for Supplemental Information	Environmental Justice Spill
ML26057A114	20 February 2026	BWX Technologies	BWXT Nuclear Operations Group, Inc., Semi-Annual Effluent Monitoring Report
ML26033A017	13 February 2026	Fort Calhoun	Safety Evaluation Report to Approve Revision 2 of the Fort Calhoun License Termination Plan
IR 05000220/2025004	12 February 2026	Nine Mile Point	Integrated Inspection Report 05000220/2025004 and 05000410/2025004 and Independent Spent Fuel Storage Installation Inspection Report 07201036/2024001 and Exercise of Enforcement Discretion	Enforcement Discretion Functionality Assessment FLEX Significance Determination Process Notice of Violation Operability Determination Containment high range radiation monitor Fuel cladding Through-Wall Leak Fire Protection Program High Residence Time Continuous basket shim
ML26029A125	3 February 2026	Salem	Regulatory Audit Plan in Support of License Amendment Request Regarding Cobalt-60 Production (EPID L-2025-LLA-0112)(Public Version)	Anticipated operational occurrence FLEX Integrated leak rate test
ML26033A033	2 February 2026	Fort Calhoun	FCS Response to Audit Request Q-6
ML26030A059	30 January 2026	Oyster Creek	OCNGS LTP LAR Audit Question Responses 9-8-2025	Spill
ML26030A060	30 January 2026	Oyster Creek	OCNGS LTP Additional Audit Question 10-6-2025	Spill
ML26021A159	30 January 2026	Crystal River	License Termination Plan Request for Supplemental Information	Pre-submittal Spill
ML26036A008	27 January 2026	Crystal River	LTP Supplemental Information Request Clarification Call	Spill
RS-26-003, Response to Request for Additional Information Related to Request for Exemption from 10 CFR 50-82(a)(8)	20 January 2026	Dresden	Response to Request for Additional Information Related to Request for Exemption from 10 CFR 50-82(a)(8)	Exemption Request
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
ML25363A185	14 January 2026	07003103	Enclosure 2 - LES Amendment 112 - LAR 25-02 June 2025 ISA Methodology (Public)	Decommissioning Funding Plan Exemption Request Commercial Grade Depleted uranium Basic Component
IR 05000070/2025002	30 December 2025	Vallecitos Nuclear Center 07000754 Vallecitos	Northstar Vallecitos, LLC, NRC Inspection Report 05000070/2025002, 05000073/2025002, 05000183/2025002 and 07000754/2025002	High Radiation Area Fire Barrier Fire Protection Program
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
ML26014A182	22 December 2025	07000113	Enclosure 5 - Decommissioning Cost Estimate for License SNM-95 (Redacted)	License Renewal
ML25231A255	22 December 2025	07201042	2. Proposed Technical Specification for CoC No. 1042, Amd 5 Rev 0	Time of Discovery Tornado Missile Commercial Grade Dedication Safe Shutdown Earthquake Nondestructive Examination Finite Element Analysis Stress corrosion cracking Fuel cladding Liquid penetrant Basic Component Seal weld Restart
ML25241A169	18 December 2025	Crystal River	Partial Site Release SER	Offsite Dose Calculation Manual Annual Radioactive Effluent Release Report Sewage Treatment Plant Annual Radiological Environmental Operating Report Process Control Program Spill
ML25351A093	15 December 2025	NS Savannah	Us Dept of Transportation, Maritime Admin., Final Status Survey Report 1 of 5, Revision 1
ML25352A127	15 December 2025	Salem	NRC Acceptance Review Results for Salem LAR S25-01
ML25345A144	11 December 2025	Oyster Creek	Technical Support Document No. 25-096, Rev. 0, Bfm Dcglep Values Assuming the Residential Scenario with Drinking Water
ML25345A137	11 December 2025	Oyster Creek	Technical Support Document No. 24-111, Rev. 0, Surface/Sub Surface Characterization Survey Plan	Spill
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
ML25345A111	11 December 2025	Oyster Creek	Technical Support Document No. 25-015, Rev. 0, Building Surface Dcgl Values
ML25345A124	11 December 2025	Oyster Creek	Calculation ENG-OCS-015, Rev. 1, Basement Fill Model: Calculation of Embedded Pipe Dcgl Values
ML25345A132	11 December 2025	Oyster Creek	Technical Support Document No. 24-062, Rev. 1, Method for Determining Nuclide Fractions and Gross Activity Dcgls
ML25345A116	11 December 2025	Oyster Creek	Calculation ENG-OCS-009, Rev. 0, Area Factors for Soil - Industrial Use Scenario
ML25345A113	11 December 2025	Oyster Creek	Calculation ENG-OCS-006, Rev. 1, Area Factors for Use with Oyster Creek Dcgl Values for Buildings/Structures
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
ML25345A131	11 December 2025	Oyster Creek	Technical Support Document No. 24-060, Rev. 1, in Situ Object Counting System (Isocs) as Applied to Final Status Survey at Oyster Creek Nuclear Generating Station (OCNGS)	Spill
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
ML25345A139	11 December 2025	Oyster Creek	Technical Support Document No. 25-089, Rev. 0, Soil Dcgl Values Assuming the Residential Scenario Without Drinking Water
ML25345A143	11 December 2025	Oyster Creek	Technical Support Document No. 25-093, Rev. 0, Bfm Dcglep Values Assuming the Residential Scenario Without Drinking Water
ML25345A112	11 December 2025	Oyster Creek	Calculation ENG-OCS-004, Rev. 0, Resrad Building Surface Dcgl Values
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
ML25345A133	11 December 2025	Oyster Creek	Technical Support Document No. 24-081, Rev. 2, Groundwater Dose Calculation Methodology to Support the License Termination Plan
ML25345A125	11 December 2025	Oyster Creek	Calculation ENG-OCS-016, Rev. 0, Calculation of Buried Pipe Dcgl Values
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
ML25345A149	11 December 2025	Oyster Creek	Technical Support Document No. 25-102, Rev. 0, Dcglbp Values Assuming the Residential Scenario with Drinking Water
ML25345A136	11 December 2025	Oyster Creek	Technical Support Document No. 24-103 Rev. 0, Distribution Coefficient (Kd) of Radionuclides in Soil Samples
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
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
ML25345A138	11 December 2025	Oyster Creek	Technical Support Document No. 24-085, Rev. 0, Probabilistic Dose Comparisons: Building Occupancy Scenario Vs. Room Renovation Scenario
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
ML25345A145	11 December 2025	Oyster Creek	Technical Support Document No. 25-101, Rev. 0, Dcglbp Values Assuming the Residential Scenario Without Drinking Water
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