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Title page 1

Contents 9

ABSTRACT 5

FOREWORD 7

PREFACE 8

ABBREVIATIONS 13

1. INTRODUCTION 16

1.1. Background 16

1.2. Radiation Exposure Information on the Internet 17

2. LIMITATIONS OF THE DATA 19

2.1. Limitations 19

2.2. Statistical Comparisons 20

3. ANNUAL PERSONNEL MONITORING REPORTS-10 CFR 20.2206 22

3.1. Definition of Terms and Methodologies 22

3.1.1. Number of Licensees Reporting 22

3.1.2. Number of Monitored Individuals 22

3.1.3. Number of Individuals with a Measurable Total Effective Dose Equivalent 22

3.1.4. Collective Total Effective Dose Equivalent 24

3.1.5. Average Individual Total Effective Dose Equivalent 24

3.1.6. Average Measurable Total Effective Dose Equivalent 24

3.2. Annual Total Effective Dose Equivalent Distributions 24

3.3. Summary of Occupational Dose Data by Licensee Category 26

3.3.1. Industrial Radiography Licensees-Fixed Location and Temporary Job Sites 26

3.3.2. Manufacturing and Distribution Licensees-Broad-Type A, Broad-Type B, Other, and Nuclear Pharmacies 27

3.3.3. Low-Level Waste Disposal Licensees 29

3.3.4. Independent Spent Fuel Storage Installation Licensees 29

3.3.5. Fuel Cycle Licensees 30

3.3.6. Light-Water Reactor Licensees 32

3.3.7. Other Facilities Reporting to the NRC 32

3.4. Summary of Intake and Internal Dose Data by Licensee Category 33

4. COMMERCIAL POWER REACTORS 38

4.1. Introduction 38

4.2. Definition of Terms and Sources of Data 38

4.2.1. Number of Reactors 38

4.2.2. Electricity Generated 38

4.2.3. Average Collective Total Effective Dose Equivalent per Megawatt-Year 39

4.2.4. Average Maximum Dependable Capacity 39

4.2.5. Percentage of Maximum Dependable Capacity Achieved 40

4.3. Annual Total Effective Dose Equivalent Distributions 44

4.4. Average Annual Total Effective Dose Equivalent 47

4.5. Three-Year Average Collective Total Effective Dose Equivalent per Reactor 53

4.6. International Occupational Radiation Exposure 58

4.7. Decommissioning of Commercial Nuclear Power Reactors 60

4.7.1. Decommissioning Process 60

4.7.2. Notification 60

4.7.3. Post-Shutdown Decommissioning Activities Report 60

4.7.4. License Termination Plan 61

4.7.5. Implementation of the License Termination Plan 61

4.7.6. Completion of Decommissioning 61

4.7.7. Status of Decommissioning Activities at Commercial Nuclear Power Reactors 63

5. TRANSIENT INDIVIDUALS AT NRC-LICENSED FACILITIES 65

6. EXPOSURES OF PERSONNEL IN EXCESS OF REGULATORY LIMITS 68

6.1. Reporting Categories 68

6.2. Summary of Occupational Radiation Doses in Excess of NRC Regulatory Limits 69

6.3. Summary of Annual Dose Distributions for Certain NRC Licensees 70

6.4. Maximum Occupational Radiation Doses Below NRC Regulatory Limits 70

7. REFERENCES 72

APPENDIX A. ANNUAL TOTAL EFFECTIVE DOSE EQUIVALENT AT NONREACTOR NRC LICENSEES AND OTHER FACILITIES... 74

APPENDIX B. ANNUAL TOTAL EFFECTIVE DOSE EQUIVALENT AT LICENSED NUCLEAR POWER FACILITIES 2024 80

APPENDIX C. PERSONNEL, TOTAL EFFECTIVE DOSE EQUIVALENT, AND POWER GENERATION SUMMARY 1969-2024 84

APPENDIX D. DOSE PERFORMANCE TRENDS BY REACTOR SITE 1973-2024 142

APPENDIX E. PLANTS NO LONGER IN OPERATION 2024 198

APPENDIX F. GLOSSARY 2024 219

Tables 12

Table 3-1. Average Annual Exposure Data for Certain Categories of NRC Licensees 23

Table 3-2. Distribution of TEDE by License Category 2024 25

Table 3-3. Annual Dose Data for Industrial Radiography Licensees, 2022-2024 26

Table 3-4. Annual Exposure Information for Manufacturing and Distribution Licensees, 2022-2024 28

Table 3-5. Annual Exposure Information for Fuel Cycle Licensees, 2022-2024 32

Table 3-6. Intake by Licensee Category and Radionuclide-Mode of Intake: Ingestion or Other, 2024 33

Table 3-7. Intake by Licensee Category and Radionuclide-Mode of Intake: Inhalation, 2024 34

Table 3-8. Collective and Average CEDE by Licensee Category, 2024 36

Table 3-9. Internal Dose (CEDE) Distribution, 1994-2024 37

Table 4-1. Summary of Information Reported by Commercial BWRs, 1994-2024 41

Table 4-2. Summary of Information Reported by Commercial PWRs, 1994-2024 42

Table 4-3. Summary of Information Reported by All Commercial LWRs, 1994-2024 43

Table 4-4a. Summary of Distribution of Annual TEDE at Commercial LWRs, 1994-2024 45

Table 4-4b. Summary of Distribution of Annual TEDE at Commercial LWRs, Adjusted for Transient Individuals, 1994-2024 46

Table 4-5. Three-Year Totals and Averages for BWRs, in Ascending Order of Collective TEDE per Reactor, 2022-2024 54

Table 4-6. Three-Year Totals and Averages for PWRs, in Ascending Order of Collective TEDE per Reactor, 2022-2024 55

Table 4-7. Three-Year Collective TEDE per Reactor-Year for BWRs, 2022-2024 56

Table 4-8. Three-Year Collective TEDE per Reactor-Year for PWRs, 2022-2024 57

Table 4-9. Plants No Longer in Operation, 2024 64

Table 5-1. Effects of Transient Individuals on Annual Statistical Compilations, 2024 67

Table 6-1. Summary of Annual TEDE Distributions for Certain NRC Licensees, 2014-2024 70

Table 6-2. Maximum Occupational Doses for Each Exposure Category, 2024 71

Figures 11

Figure 3-1. Number of Individuals with Measurable TEDE, Collective TEDE, and Average Measurable TEDE for Industrial Radiography Licensees,... 27

Figure 3-2. Number of Individuals with Measurable TEDE, Collective TEDE, and Average Measurable TEDE for Manufacturing and... 28

Figure 3-3. Number of Individuals with Measurable TEDE, Collective TEDE, and Average Measurable TEDE for ISFSI Licensees, 1994-2024 30

Figure 3-4. Annual Exposure Information for Fuel Cycle Licensees, 1994-2024 31

Figure 4-1. Average Collective TEDE per Reactor and Average Number of Individuals with Measurable TEDE per Reactor, 1994-2024 48

Figure 4-2. Number of Operating Reactors and Electricity Generated, 1994-2024 49

Figure 4-3. Average Measurable TEDE per Individual and Collective TEDE per Megawatt-Year, 1994-2024 50

Figure 4-4a. Average, Median, and Extreme Values of the Collective TEDE per BWR, 1994-2024 51

Figure 4-4b. Average, Median, and Extreme Values of the Collective TEDE per PWR, 1994-2024 52

Figure 4-5. Average Collective TEDE per PWR, 1995-2024 59

Figure 4-6. Average Collective TEDE per BWR, 1995-2024 59

Figure 4-7. Commercial Nuclear Power Reactor Decommissioning Process Flowchart 62

Appendix Tables 75

Table A-1. Annual Total Effective Dose Equivalent for Nonreactor NRC Licensees 75

Table A-2. Other Facilities Reporting to the NRC 79

Table B-1. Annual Total Effective Dose Equivalent at Licensed Nuclear Power Facilities 81

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