ML042670070

License Termination Plan for the Yankee Nuclear Power Station - Table of Contents

ML042670070
Person / Time
Site:	Yankee Rowe
Issue date:	11/24/2003
From:	Yankee Atomic Electric Co
To:	NRC/FSME
References
-RFPFR, BYR 2003-080
Download: ML042670070 (11)

Text

YNPS License Termination Plan Revision 0 Table of Contents 1 GENERAL INFORMATION _____________________________________________ 1-1 1.1 EXECUTIVE

SUMMARY

____________________________________________ 1-1

1.2 DESCRIPTION

OF THE YNPS SITE AND SURROUNDING A REAS __________________________ 1-1 1.2.1 YNPS Site _____________________________________________ 1-1 1.2.2 Surrounding Areas ____________________________________________ 1-2 1.3 HISTORICAL INFORMATION _____________________________________________ 1-3 1.4 PLAN

SUMMARY

_____________________________________________ 1-4 1.4.1 General Information _____________________________________________ 1-4 1.4.2 HSA and Site Characterization _________________________________________ 1-4 1.4.3 Identification of Remaining Site Dismantlement Activities _____________________ 1-5 1.4.4 Site Remediation Plans _____________________________________________ 1-5 1.4.5 Final Status Survey Plans _____________________________________________ 1-6 1.4.6 Compliance with the Radiological Criteria for License Termination______________ 1-6 1.4.7 Updates of the Site-Specific Decommissioning Costs _________________________ 1-6 1.4.8 Supplement to the Environmental Report __________________________________ 1-6 1.5 PARTIAL SITE RELEASE PROCESS _____________________________________________ 1-7 1.6 CHANGE CRITERIA FOR THE LICENSE TERMINATION PLAN ____________________________ 1-8

1.7 REFERENCES

_____________________________________________ 1-9 2 SITE CLASSIFICATION _____________________________________________ 2-1 2.1 HISTORICAL SITE A SSESSMENT AND SURVEY A REA DELINEATION ______________________ 2-1 2.1.1 Approach and Rationale _____________________________________________ 2-1 2.1.2 Boundaries of the Site _____________________________________________ 2-4 2.1.3 Documents Reviewed _____________________________________________ 2-5 2.1.4 Property Inspections _____________________________________________ 2-6 2.1.5 Personnel Interviews _____________________________________________ 2-7 2.2 HISTORY AND CURRENT STATUS _____________________________________________ 2-7 2.2.1 Licensing History _____________________________________________ 2-7 2.2.2 Regulatory Involvement _____________________________________________ 2-8 2.2.3 Description of Operations Impacting Site Radiological Status _________________ 2-10 2.2.4 History of Unplanned Events __________________________________________ 2-11 2.2.4.1 Unplanned Gaseous Releases__________________________________________ 2-12 2.2.4.2 Unplanned Liquid Releases ___________________________________________ 2-12 2.3 FINDINGS ____________________________________________ 2-12 2.3.1 Overview ____________________________________________ 2-12 2.3.2 Radionuclides of Concern at YNPS _____________________________________ 2-13 2.4 IMPACTED A REA A SSESSMENTS ____________________________________________ 2-14 2.4.1 Buildings, Structures and Open Land Area Inside the RCA____________________ 2-14 2.4.2 Buildings, Structures and Open Land Area Outside the RCA __________________ 2-15 2.5 NON-IMPACTED A REA JUSTIFICATION __________________________________________ 2-15 2.5.1 Non-Impacted Area Justification _______________________________________ 2-15 2.5.2 Decommissioning Activities ___________________________________________ 2-16 2.5.3 Basis of Area Classification___________________________________________ 2-16 2.5.4 Occurrence of Anthropogenic Radionuclides in the Environmental Background____ 2-16 2.5.5 Evaluation of the Impact of Elevated Releases of Particulate Radioactive Material _ 2-17 2.5.6 Statistical Evaluations ____________________________________________ 2-17 2.5.6.1 Description of Reference Areas ________________________________________ 2-17 2.5.6.2 Approach and Methodology for Evaluation of the Non-Impacted Area___________ 2-18 2.5.7 Summary ____________________________________________ 2-18 2.6 CONTINUING INVESTIGATION OF SUBSURFACE CONTAMINATION_______________________ 2-19 i

YNPS License Termination Plan Revision 0 2.7 CONTINUING INVESTIGATION OF GROUNDWATER CONTAMINATION ____________________ 2-19 2.7.1 History ____________________________________________ 2-19 2.7.2 Evaluation of Historical Data _________________________________________ 2-20 2.7.3 Groundwater Monitoring Program _____________________________________ 2-21 2.7.4 Ongoing Groundwater Investigations____________________________________ 2-21 2.8 CONTINUING CHARACTERIZATION A CTIVITIES ____________________________________ 2-22 2.8.1 Introduction ____________________________________________ 2-22 2.8.2 Characterization Survey Plans Prepared Under a Quality Assurance Project Plan _ 2-22 2.8.2 Characterization Survey Plans_________________________________________ 2-22

2.9 REFERENCES

____________________________________________ 2-27 APPENDIX 2A SUMMARIES OF THE SIGNIFICANT EVENTS LEADING TO LONG-TERM CONTAMINATION OF THE YNPS SITE ___________________________________________ 2A-1 APPENDIX 2B IMPACTED AREA ASSESSMENTS BUILDINGS, STRUCTURES, AND OPEN LAND AREAS INSIDE OF THE RCA ____________________________________________ 2B-1 APPENDIX 2C IMPACTED AREA ASSESSMENTSBUILDINGS, STRUCTURES, AND OPEN LAND AREAS OUTSIDEOF THE RCA ____________________________________________ 2C-1 3 IDENTIFICATION OF REMAINING SITE DISMANTLEMENT ACTIVITIES ______ 3-1

3.1 INTRODUCTION

AND GENERAL CONSIDERATIONS ___________________________________ 3-1 3.2 DECOMMISSIONING APPROACH _____________________________________________ 3-2 3.2.1 Phase 1 Activities _____________________________________________ 3-3 3.2.2 Phase 2 Activities _____________________________________________ 3-3 3.2.2.1 Systems and Components _____________________________________________ 3-5 3.2.2.1.1 Temporary Waste Water Processing Island System_____________ 3-5 3.2.2.1.2 Radiation Monitoring System_____________________________ 3-4 3.2.2.1.3 Ventilation Systems (including VAC Ventilation and Purge System) 3-6 3.2.2.1.4 Fuel Handling Equipment System__________________________ 3-7 3.2.2.1.5 SFP Cooling and Purification System _______________________ 3-7 3.2.2.1.6 Auxiliary Service Water System___________________________ 3-8 3.2.2.1.7 Demineralized Water System _____________________________ 3-8 3.2.2.1.8 Compressed Air System _________________________________ 3-8 3.2.2.1.9 Electrical System ______________________________________ 3-9 3.2.2.1.10 Heating System _______________________________________ 3-9 3.2.2.1.11 Fire Protection and Detection System______________________ 3-10 3.2.2.2 Structures ____________________________________________ 3-10 3.2.2.2.1 Yard Area Crane and Support Structure ____________________ 3-10 3.2.2.2.2 Vapor Container______________________________________ 3-10 3.2.2.2.3 Reactor Support ______________________________________ 3-11 3.2.2.2.4 VC Polar Crane ______________________________________ 3-12 3.2.2.2.5 Radiation Shielding ___________________________________ 3-12 3.2.2.2.6 Pipe Chases _________________________________________ 3-13 3.2.2.2.7 Fuel Transfer Chute ___________________________________ 3-13 3.2.2.2. 8 Ion Exchange Pit _____________________________________ 3-14 3.2.2.2..9 Primary Vent Stack ___________________________________ 3-14 3.2.2.2.10 Spent Fuel Pit and SFP Building__________________________ 3-14 3.2.2.2.11 New Fuel Vault ______________________________________ 3-15 3.2.2.2.12 Primary Auxiliary Building _____________________________ 3-15 3.2.2.2.13 Waste Disposal Building _______________________________ 3-15 3.2.2.2.14 Safe Shutdown System Building__________________________ 3-16 3.2.2.2.15 Potentially Contaminated Area Storage Buildings and Warehouse 3-16 3.2.2.2.16 Compactor Building ___________________________________ 3-16 3.2.2.2.17 Service Building and Fuel Transfer Enclosure _______________ 3-17 3.2.2.2.18 Miscellaneous Storage Tanks ____________________________ 3-17 3.2.2.2.19 Meteorological Tower _________________________________ 3-18 ii

YNPS License Termination Plan Revision 0 3.2.3 Phase 3 Activities ____________________________________________ 3-18 3.3 DECOMMISSIONING SCHEDULE ____________________________________________ 3-18 3.4 RADIOLOGICAL IMPACTS OF DECOMMISSIONING___________________________________ 3-18 3.4.1 Occupational Exposure ____________________________________________ 3-19 3.4.2 Radioactive Waste Projections_________________________________________ 3-19

3.5 REFERENCES

____________________________________________ 3-20 4 SITE REMEDIATION PLANS _____________________________________________ 4-1

4.1 INTRODUCTION

_____________________________________________ 4-1 4.2 REMEDIATION A CTIONS _____________________________________________ 4-1 4.2.1 Soils _____________________________________________ 4-2 4.2.2 Structures _____________________________________________ 4-2 4.2.3 Surface and Ground Waters____________________________________________ 4-3 4.3 ALARA EVALUATIONS _____________________________________________ 4-3 4.3.1 Generic ALARA Screening Levels _______________________________________ 4-3 4.3.2 Survey Unit-Specific ALARA Evaluations__________________________________ 4-4

4.4 REFERENCES

_____________________________________________ 4-5 APPENDIX 4A ALARA EVALUATIONS ___________________________________________ 4A-1 5 FINAL STATUS SURVEY (FSS) PLAN _______________________________________ 5-1

5.1 INTRODUCTION

_____________________________________________ 5-1 5.2 SCOPE _____________________________________________ 5-1 5.3

SUMMARY

OF FSS PROCESS _____________________________________________ 5-2 5.4 FINAL STATUS SURVEY PLANNING _____________________________________________ 5-4 5.4.1 Data Quality Objectives _____________________________________________ 5-4 5.4.2 Classification of Survey Areas and Units __________________________________ 5-7 5.4.3 Reference Coordinate Systems __________________________________________ 5-8 5.4.4 Reference Areas and Materials _________________________________________ 5-9 5.4.5 Area Preparation: Isolation and Controls________________________________ 5-10 5.4.5.1 Area Preparation ____________________________________________ 5-10 5.4.5.2 Area Surveillance Following Final Status Surveys __________________________ 5-12 5.4.6 Selections of DCGLs ____________________________________________ 5-13 5.4.6.1 Gross Activity DCGLs ____________________________________________ 5-14 5.4.6.2 Surrogate Ratio DCGLs ____________________________________________ 5-14 5.4.6.3 Elevated Measurement Comparison (EMC) DCGLs _________________________ 5-15 5.5 FINAL STATUS SURVEY DESIGN ____________________________________________ 5-15 5.5.1 Selecting the Number of Fixed Measurements and Locations __________________ 5-18 5.5.1.1 Establishing Acceptable Decision Error Rates _____________________________ 5-18 5.5.1.2 Determining the Relative Shift _________________________________________ 5-18 5.5.1.3 Selecting the Required Number of Measurements for the WRS Test_____________ 5-20 5.5.1.4 Selecting the Required Number of Measurements for the Sign Test _____________ 5-20 5.5.1.5 Assessing the Need for Additional Measurements in Class 1 Survey Areas________ 5-21 5.5.1.6 Determining Measurement Locations____________________________________ 5-25 5.5.2 Judgmental Assessments ____________________________________________ 5-26 5.5.3 Data Investigations ____________________________________________ 5-27 5.5.3.1 Investigation Levels ____________________________________________ 5-27 5.5.3.2 Investigations ____________________________________________ 5-28 5.5.3.3 Remediation ____________________________________________ 5-28 5.5.3.4 Re-classification ____________________________________________ 5-29 5.5.3.5 Re-survey ____________________________________________ 5-29 5.6 FINAL STATUS SURVEY IMPLEMENTATION AND DATA COLLECTION ____________________ 5-30 5.6.1 Survey Methods ____________________________________________ 5-30 5.6.1.1 Scanning ____________________________________________ 5-31 5.6.1.2 Fixed Measurements ____________________________________________ 5-31 5.6.1.3 Advanced Technologies ____________________________________________ 5-31 iii

YNPS License Termination Plan Revision 0 5.6.1.4 Other Advanced Survey Technologies ___________________________________ 5-32 5.6.1.5 Samples ____________________________________________ 5-32 5.6.2 Survey Instrumentation ____________________________________________ 5-33 5.6.2.1 Instrument Selection ____________________________________________ 5-33 5.6.2.2 Calibration and Maintenance __________________________________________ 5-34 5.6.2.3 Response Checks ____________________________________________ 5-35 5.6.2.4 MDC Calculations ____________________________________________ 5-35 5.6.2.4.1 MDCs for Fixed Measurements _________________________________ 5-35 5.6.2.4.2 MDCs for Beta-Gamma Scan Surveys for Structure Surfaces ___________ 5-36 5.6.2.4.3 MDCs for Alpha Scan Surveys for Structure Surfaces ________________ 5-37 5.6.2.4.4 MDCs for Gamma Scans of Land Areas ___________________________ 5-38 5.6.2.5 Scan MDCs for Hot Particles __________________________________________ 5-39 5.6.2.6 Typical Instrumentation and MDCs _____________________________________ 5-39 5.6.3 Survey Considerations ____________________________________________ 5-41 5.6.3.1 Survey Considerations for Buildings and Structures _________________________ 5-41 5.6.3.1.1 Activity Beneath Surfaces _____________________________________ 5-42 5.6.3.1.2 Exterior Surfaces of Building Foundations_________________________ 5-42 5.6.3.1.3 Buried Piping, Storm Drains, Sewer Systems, Plumbing and Floor Drains _ 5-43 5.6.3.2 Survey Considerations for Outdoor Areas ________________________________ 5-43 5.6.3.2.1 Residual Radioactivity in Surface Soils ___________________________ 5-43 5.6.3.2.2 Residual Radioactivity in Subsurface Soils _________________________ 5-43 5.6.3.2.3 Paved Areas ____________________________________________ 5-45 5.6.3.2.4 Groundwater ____________________________________________ 5-45 5.6.3.2.5 Sediments ____________________________________________ 5-45 5.7 FINAL STATUS SURVEY DATA A SSESSMENT ______________________________________ 5-46 5.7.1 Wilcoxon Rank Sum Test ____________________________________________ 5-48 5.7.2 Sign Test ____________________________________________ 5-49 5.7.3 Elevated Measurement Comparison_____________________________________ 5-50 5.7.4 Unity Rule ____________________________________________ 5-50 5.7.5 Data Assessment Conclusions _________________________________________ 5-51 5.8 FINAL STATUS SURVEY REPORTS ____________________________________________ 5-52 5.9 FINAL STATUS SURVEY QUALITY A SSURANCE AND QUALITY CONTROL M EASURES ________ 5-53 5.9.1 Introduction ____________________________________________ 5-53 5.9.2 Organization ____________________________________________ 5-54 5.9.3 Program Controls ____________________________________________ 5-54 5.9.4 Design Controls ____________________________________________ 5-54 5.9.5 Procurement Document Control _______________________________________ 5-54 5.9.6 Instructions, Procedures, and Drawings _________________________________ 5-55 5.9.7 Document Control ____________________________________________ 5-55 5.9.8 Control of Purchased Material, Items and Services _________________________ 5-55 5.9.9 Control of Special Processes __________________________________________ 5-55 5.9.10 Inspections ____________________________________________ 5-55 5.9.11 Control of Measuring and Test Equipment________________________________ 5-56 5.9.12 Handling, Storage, and Shipping _______________________________________ 5-56 5.9.13 Control of Nonconformances __________________________________________ 5-56 5.9.14 Corrective Action Program ___________________________________________ 5-56 5.9.15 Records ____________________________________________ 5-56 5.9.16 Audits ____________________________________________ 5-57 5.10 REFERENCES ____________________________________________ 5-57 6 COMPLIANCE WITH THE RADIOLOGICAL CRITERIA FOR LICENSE TERMINATION _____________________________________________ 6-1 6.1 SITE RELEASE CRITERIA _____________________________________________ 6-1 6.1.1 Radiological Criteria for Unrestricted Use ________________________________ 6-1 6.1.2 Conditions Satisfying the Site Release Criteria______________________________ 6-1 iv

YNPS License Termination Plan Revision 0 6.2 DOSE M ODELING APPROACH _____________________________________________ 6-2 6.2.1 Overview _____________________________________________ 6-2 6.2.2 Resident Farmer Scenario _____________________________________________ 6-3 6.2.2.1 Scenario Definition _____________________________________________ 6-3 6.2.2.2 Critical Group _____________________________________________ 6-3 6.2.2.3 Exposure Pathways _____________________________________________ 6-3 6.2.3 Building Occupancy Scenario __________________________________________ 6-4 6.2.3.1 Scenario Definition _____________________________________________ 6-4 6.2.3.2 Critical Group _____________________________________________ 6-4 6.2.3.3 Exposure Pathways _____________________________________________ 6-4 6.2.4 Code Selection _____________________________________________ 6-4 6.2.5 Input Parameter Selection Process_______________________________________ 6-5 6.2.5.1 Classification (Type) _____________________________________________ 6-5 6.2.5.2 Prioritization _____________________________________________ 6-5 6.2.5.3 Treatment _____________________________________________ 6-6 6.2.5.4 Sensitivity Analysis _____________________________________________ 6-5 6.2.5.5 Parameter Value Assessment for DCGL Determination _______________________ 6-6 6.2.6 Code Output and Calculation of DCGL ___________________________________ 6-7 6.3 CALCULATION OF DCGLS FOR SOIL _____________________________________________ 6-8 6.3.1 Dose Model Conceptual Model _________________________________________ 6-8 6.3.2 Parameter Value Assignment___________________________________________ 6-8 6.3.3 DCGL Determination _____________________________________________ 6-8 6.4 CALCULATION OF DCGL FOR CONCRETE _________________________________________ 6-9 6.4.1 Surface Building Contamination ________________________________________ 6-9 6.4.1.1 Dose Model _____________________________________________ 6-9 6.4.1.2 Conceptual Model _____________________________________________ 6-9 6.4.1.3 Parameter Value Assignment___________________________________________ 6-9 6.4.1.4 DCGL Determination ____________________________________________ 6-10 6.4.2 Volumetric Concrete Contamination ____________________________________ 6-10 6.5 CALCULATION OF A REA FACTORS ____________________________________________ 6-10 6.5.1 Calculation of Area Factors for Soils____________________________________ 6-10 6.5.2 Calculation of Area Factors for Building Surfaces__________________________ 6-11

6.6 REFERENCES

____________________________________________ 6-12 APPENDIX 6A BASIS DOCUMENT FOR S ITE-SPECIFIC PARAMETER VALUE ASSIGNMENT, SOIL ____________________________________________ TBD APPENDIX 6B PARAMETER VALUES FOR SENSITIVITY ANALYSIS, SOIL ___________ TBD APPENDIX 6C RESULTS OF SENSITIVITY ANALYSIS, SOIL ________________________ TBD APPENDIX 6 D PARAMETER VALUES FOR SOIL DCGL DETERMINATION ___________ TBD APPENDIX 6E SOIL DCGL RESULTS ____________________________________________ TBD APPENDIX 6F BASIS DOCUMENT FOR S ITE-SPECIFIC PARAMETER VALUE ASSIGNMENT, BUILDING OCCUPANCY__________________________________________ TBD APPENDIX 6G PARAMETER VALUES FOR SENSITIVITY ANALYSIS, BUILDING OCCUPANCY ____________________________________________ TBD APPENDIX 6H RESULTS OF SENSITIVITY ANALYSIS, BUILDING OCCUPANCY ______ TBD APPENDIX 6I PARAMETER VALUES FOR BUILDING OCCUPANCY DCGL DETERMINATION ____________________________________________ TBD APPENDIX 6J BUILDING SURFACE AREA DCGL RESULTS ________________________ TBD APPENDIX 6K PARAMETER VALUES FOR AREA FACTORS, SOIL __________________ TBD APPENDIX 6L AREA FACTORS FOR SOIL________________________________________ TBD v

YNPS License Termination Plan Revision 0 APPENDIX 6M PARAMETER VALUES FOR AREA FACTORS, BUILDING SURFACE AREA ____________________________________________ TBD APPENDIX 6N AREA FACTORS FOR BUILDING SURFACE AREA ___________________ TBD 7 UPDATES OF THE SITE-SPECIFIC DECOMMISSIONING COSTS _______________ 7-1

7.1 INTRODUCTION

_____________________________________________ 7-1 7.2 DECOMMISSIONING COST ESTIMATE_____________________________________________ 7-2 7.2.1 Cost Estimate Previously Docketed in Accordance in 10CFR50.82 and 10CFR5.73 Post Shutdown _____________________________________________ 7-2 7.2.2 Summary of the Site Specific Decommissioning Cost Estimate __________________ 7-2 7.2.3 Dismantlement and Decontamination_____________________________________ 7-7 7.2.4 Radiological Waste Disposal ___________________________________________ 7-7 7.2.5 Long-Term Spent Fuel Storage _________________________________________ 7-7 7.2.6 Final Status Survey (FSS) and Site Restoration _____________________________ 7-7

7.3 DECOMMISSIONING FUNDING

_____________________________________________ 7-8

7.4 REFERENCES

_____________________________________________ 7-9 8 SUPPLEMENT TO THE ENVIRONMENTAL REPORT _________________________ 8-1

8.1 INTRODUCTION

_____________________________________________ 8-1 8.1.1 Overview _____________________________________________ 8-1 8.1.2 Proposed Site Conditions at the Time of License Termination __________________ 8-3 8.1.3 Remaining Dismantlement and Decommissioning Activities____________________ 8-4 8.1.3.1 General Description of Decommissioning Activities _________________________ 8-4 8.1.3.2 Other Decommissioning Considerations___________________________________ 8-5 8.1.3.3 General Decommissioning Activities Related to Removal of Radiological Components and Structures _____________________________________________ 8-5 8.1.3.3.1 Decontamination Methods______________________________________ 8-5 8.1.3.3.2 Dismantlement Methods _______________________________________ 8-5 8.1.3.3.3 Special Programs ____________________________________________ 8-6 8.1.3.3.4 Removal of LLW and Compaction or Incineration ___________________ 8-6 8.1.3.3.5 Soil Remediation_____________________________________________ 8-6 8.1.3.3.6 Processing and Disposal Site Locations ___________________________ 8-6 8.1.3.3.7 Removal of Mixed Wastes _____________________________________ 8-6 8.1.3.3.8 Storage/Removal of Spent Fuel and GTCC Waste____________________ 8-7 8.1.3.3.9 LTP, Final Status Survey, and Site Release Criteria ___________________ 8-7 8.1.3.3.10 Site Restoration _____________________________________________ 8-7 8.1.3.4 Schedule of Decommissioning Activities __________________________________ 8-7 8.1.3.5 Conclusions Regarding Environmental Impact Included in PSDAR ______________ 8-8 8.2 A NALYSIS OF SITE-SPECIFIC ISSUES ____________________________________________ 8-10 8.2.1 Onsite-Offsite Land Uses ____________________________________________ 8-10 8.2.1.1 Onsite Land Uses ____________________________________________ 8-10 8.2.1.2 Offsite Land Uses ____________________________________________ 8-10 8.2.2 Water Use ____________________________________________ 8-10 8.2.3 Water Quality ____________________________________________ 8-11 8.2.4 Air Quality ____________________________________________ 8-12 8.2.5 Aquatic Ecology ____________________________________________ 8-13 8.2.5.1 Activities Within the Operational Area___________________________________ 8-13 8.2.5.2 Activities Outside of the Operational Area ________________________________ 8-14 8.2.6 Terrestrial Ecology ____________________________________________ 8-14 8.2.6.1 Activities Within the Operational Area___________________________________ 8-14 8.2.6.2 Activities Outside of the Operational Area ________________________________ 8-14 8.2.7 Threatened and Endangered Species ____________________________________ 8-14 8.2.8 Radiological ____________________________________________ 8-15 8.2.8.1 Activities Resulting in Occupational Doses to Workers ______________________ 8-15 8.2.8.2 Activities Resulting in Doses to the Public ________________________________ 8-15 vi

YNPS License Termination Plan Revision 0 8.2.9 Radiological Accidents ____________________________________________ 8-16 8.2.10 Occupational Issues ____________________________________________ 8-17 8.2.11 Socioeconomic Impacts ____________________________________________ 8-17 8.2.12 Environmental Justice ____________________________________________ 8-18 8.2.13 Cultural and Historic Resource Impacts__________________________________ 8-18 8.2.13.1 Activities Within the Operational Area___________________________________ 8-18 8.2.13.2 Activities Outside of the Operational Area ________________________________ 8-18 8.2.14 Aesthetics ____________________________________________ 8-19 8.2.15 Noise ____________________________________________ 8-19 8.2.16 Transportation ____________________________________________ 8-19 8.2.17 Irretrievable Resources ____________________________________________ 8-20

8.3 REFERENCES

____________________________________________ 8-21 vii

YNPS License Termination Plan Revision 0 Table of Tables TABLE 1 -1 CURRENT NEAREST RESIDENT, GARDEN, AND MILK ANIMAL LOCATIONS WITHIN 5 MILES OF YNPS ____________________________________________ 1-11 TABLE 1 -2 PERMANENT POPULATION ES TIMATES FOR MUNICIPALITIES WITHIN 10 MILES OF THE YANKEE NUCLEAR POWER STATIO N __________________________ 1-12 TABLE 3 -1 STATUS OF PLANT SSCS AS OF JULY 2003 _____________________________ 3-21 TABLE 3 -2 REMAINING CONTAMINATED PLANT SYSTEMS _______________________ 3-22 TABLE 3 -3 RADIATION EXPOSURE PROJECTIONS _______________________________ 3-24 TABLE 4A-1 PARAMETER VALUES FOR USE IN ALARA ANALYSES ________________ 4A-3 TABLE 5 -1 YNPS SURVEY UNIT SURFACE AREA LIMITS ___________________________ 5-8 TABLE 5 -2 INVESTIGATION LEV ELS ____________________________________________ 5-27 TABLE 5 -3 TRADITIONAL SCANNING COVERAGE REQUIREMENTS _______________ 5-31 TABLE 5 -4 AVAILABLE INSTRUMENTS AND NOMINAL DETECTION SENSITIVITIES _ 5-40 TABLE 5 -5 INITIAL EVALUATION OF SURVEY RESULTS (BACKGROUND REFERENCE AREA USED) ____________________________________________ 5-47 TABLE 5 -6 INITIAL EVALUATION OF SURVEY RESULTS (BACKGROUND REFERENCE AREA NOT USED) ____________________________________________ 5-48 TABLE 7 -1 ACTUAL AND PROJECTED DECOMMISSIONING EXPENDITURES

($ MILLIONS) _____________________________________________ 7-5 TABLE 7 -2 DECOMMISSIONING TRUS T ANALYSIS TOTAL FUNDS (IN $1000) _________ 7-6 TABLE 8 -1

SUMMARY

OF ENVIRONMENTAL IMPACTS FROM DECOMMIS SIONING _ 8-23 TABLE 8 - 2 POPULATION CHANGES IN THE VICINITY OF YNPS ___________________ 8-24 viii

YNPS License Termination Plan Revision 0 Table of Figures FIGURE 1-1 YNPS SITE BOUNDARY ____________________________________________ 1-13 FIGURE 1-2 SITE DESIGN (AS OF JUNE 2003) _____________________________________ 1-14 FIGURE 3-1 YNPS DECOMMISSIONING

SUMMARY

SCHEDULE ____________________ 3-25 FIGURE 4-1 SURVEY UNIT ALARA EVALUATION PROCESS ________________________ 4-7 FIGURE 5-1 FINAL STATUS SURVEY ORGANIZATION_____________________________ 5-59 FIGURE 6-1 PARAMETER SELECTION PROCESS _________________________________ 6-13 ix

YNPS License Termination Plan Revision 0 This page intentionally left blank.

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YNPS License Termination Plan Revision 0 List of Acronyms ALARA As Low As Reasonably Achievable AMDA Alternate Method of Disposal Authorization AOR Abnormal Operating Report ASWS Auxiliary Service Water System CFR Code of Federal Regulations cpm Counts per minute CR Condition Report DCGL Derived Concentration Guideline Level DCGLw DCGL for average concentration over a wide area, used with statistical tests DCGLEMC DCLGS for small areas of elevated activity DEP [Massachusetts] Department of Environmental Protection DOD Department of Defense DOE Department of Energy DOT Department of Transportation DPH [Massachusetts] Department of Public Health dpm Disintegrations per minute DQO Data quality objective EMC Elevated Measurement Comparison EPA Environmental Protection Agency FERC Federal Energy Regulatory Commission FGEIS Final Generic Environmental Impact Statement FSS Final Status Survey FSAR Final Safety Analysis Report GPS Global positioning system GTCC Greater than Class C [Waste]

HEPA High Efficiency Particulate Air HSA Historical Site Assessment ISFSI Independent Spent Fuel Storage Installation LBGR Lower Bound Grey Region LER License Event Report LLW Low Level Waste LTP Licence Termination Plan MARSSIM Multi-Agency Radiation Survey and Site Investigation Manual MDA Minimum Detectable Activity MDC Minimum Detectable Concentration MDCR Minimum Detectable Count Rate NPDES National Pollutant Discharge Elimination System NRC Nuclear Regulatory Commission ODCM Offsite Dose Calculation Manual PAB Plant Auxiliary Building PIR Plant Investigation Report PSDAR Post-Shutdown Decommissioning Activities Report QA Quality Assurance QAP Quality Assurance Program QAPP Quality Assurance Program Plan QC Quality Control RCA Radiologically Controlled Area RESRAD RESidual RADioactivity [Computer Code]

REMP Radiological Environmental Monitoring Program xi

YNPS License Termination Plan Revision 0 List of Acronyms RETS Radiological Environmental Technical Specifications RIR Radiological Incident Report SSCs Structures, Systems, and Components SFP Spent Fuel Pit TEDE Total Effective Dose Equivalent TRU Trans-Uranics WRS Wilcoxon Rank Sum [test]

YAEC Yankee Atomic Electric Company YNPS Yankee Nuclear Power Station xii