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Title page 1

Contents 9

ABSTRACT 5

FOREWORD 7

PREFACE 8

ABBREVIATIONS AND ACRONYMS 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 Measurable Dose 22

3.1.4. Collective Dose 24

3.1.5. Average Individual Dose 24

3.1.6. Average Measurable Dose 24

3.2. Annual TEDE Dose 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-Type "A" Broad, Type "B" Broad, 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 33

3.3.7. Other Facilities Reporting to the NRC 33

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

4. COMMERCIAL POWER REACTORS 39

4.1. Introduction 39

4.2. Definition of Terms and Sources of Data 39

4.2.1. Number of Reactors 39

4.2.2. Electric Energy Generated 39

4.2.3. Collective Dose per Megawatt-Year 40

4.2.4. Average Maximum Dependable Capacity 40

4.2.5. Percent of Maximum Dependable Capacity Achieved 40

4.3. Annual TEDE Distributions 44

4.4. Average Annual TEDE Doses 47

4.5. Three-Year Average Collective TEDE 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. Post-Shutdown Decommissioning Activities Report 60

4.7.3. License Termination Plan 60

4.7.4. Implementation of the License Termination Plan 61

4.7.5. Completion of Decommissioning 61

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

5. TRANSIENT INDIVIDUALS AT NRC-LICENSED FACILITIES 65

6. EXPOSURES TO PERSONNEL IN EXCESS OF REGULATORY LIMITS 68

6.1. Reporting Categories 68

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

6.3. Summary of Annual Dose Distributions for Certain NRC Licensees 69

6.4. Maximum Occupational Radiation Doses Below NRC Regulatory Limits 70

7. REFERENCES 72

APPENDIX A. ANNUAL TOTAL EFFECTIVE DOSE EQUIVALENT FOR NONREACTOR NRC LICENSEES AND OTHER FACILITIES REPORTING TO THE NRC 2022 74

APPENDIX B. ANNUAL DOSES AT LICENSED NUCLEAR POWER FACILITIES 2022 80

APPENDIX C. PERSONNEL, DOSE, AND POWER GENERATION SUMMARY 1969-2022 84

APPENDIX D. DOSE PERFORMANCE TRENDS BY REACTOR SITE 1973-2022 139

APPENDIX E. PLANTS NO LONGER IN OPERATION 2022 195

APPENDIX F. GLOSSARY 2022 214

Tables 12

Table 3-1. Average Annual Exposure Data for Certain Categories of NRC Licensees 2012-2022 23

Table 3-2. Distribution of Annual Collective TEDE by License Category 2022 25

Table 3-3. Annual Exposure Information for Industrial Radiography Licensees 2020-2022 26

Table 3-4. Annual Exposure Information for Manufacturing and Distribution Licensees 2020-2022 28

Table 3-5. Annual Exposure Information for Fuel Cycle Licensees 2020-2022 33

Table 3-6. Intake by Licensee Category and Radionuclide Mode of Intake-Ingestion 2022 34

Table 3-7. Intake by Licensee Category and Radionuclide Mode of Intake-Inhalation 2022 35

Table 3-8. Collective and Average CEDE by Licensee Category 2022 36

Table 3-9. Internal Dose (CEDE) Distribution 1994-2022 38

Table 4-1. Summary of Information Reported by Commercial BWRs 1994-2022 41

Table 4-2. Summary of Information Reported by Commercial PWRs 1994-2022 42

Table 4-3. Summary of Information Reported by Commercial LWRs 1994-2022 43

Table 4-4a. Summary of Distribution of Annual Doses at Commercial LWRs 1994-2022 45

Table 4-4b. Summary of Distribution of Annual Doses at Commercial LWRs, Adjusted for Transients 1994-2022 46

Table 4-5. Three-Year Totals and Averages Listed in Ascending Order of Collective TEDE per BWR 2020-2022 54

Table 4-6. Three-Year Totals and Averages Listed in Ascending Order of Collective TEDE per PWR 2020-2022 55

Table 4-7. Three-Year Collective TEDE per Reactor-Year for BWRs 2020-2022 56

Table 4-8. Three-Year Collective TEDE per Reactor-Year for PWRs 2020-2022 57

Table 4-9. Plants No Longer in Operation 2022 64

Table 5-1. Effects of Transient Individuals on Annual Statistical Compilations 2022 67

Table 6-1. Summary of Annual Dose Distributions for Certain NRC Licensees 2012-2022 70

Table 6-2. Maximum Occupational Doses for Each Exposure Category 2022 71

Figures 11

Figure 3-1. Individuals with Measurable TEDE, Collective TEDE, and Average Measurable TEDE for Industrial Radiography Licensees 1994-2022 27

Figure 3-2. Individuals with Measurable TEDE, Collective TEDE, and Average Measurable TEDE for Manufacturing and Distribution Licensees 1994-2022 29

Figure 3-3. Individuals with Measurable TEDE, Collective TEDE, and Average Measurable TEDE for Independent Spent Fuel Storage Installation... 30

Figure 3-4. Annual Exposure Information for Fuel Cycle Licensees 1994-2022 32

Figure 4-1. Average Collective Dose per Reactor and Average Number of Individuals with Measurable Dose per Reactor 1994-2022 48

Figure 4-2. Number of Operating Reactors and Electricity Generated 1994-2022 49

Figure 4-3. Average Measurable Dose per Individual and Collective Dose per Megawatt-Year 1994-2022 50

Figure 4-4a. Average, Median, and Extreme Values of the Collective Dose per BWR Reactor 1994-2022 51

Figure 4-4b. Average, Median, and Extreme Values of the Collective Dose per PWR Reactor 1994-2022 52

Figure 4-5. Average Collective Dose per PWR Reactor 1995-2022 59

Figure 4-6. Average Collective Dose per BWR Reactor 1995-2022 59

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

Appendix Tables 75

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

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

Table B-1. Annual Doses at Licensed Nuclear Power Facilities 81

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