ML042670070

From kanterella
Jump to navigation Jump to search
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 i

Table of Contents 1

GENERAL INFORMATION

_____________________________________________ 1-1 1.1 EXECUTIVE

SUMMARY

____________________________________________ 1-1

1.2 DESCRIPTION

OF THE YNPS SITE AND SURROUNDING AREAS __________________________ 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 ASSESSMENT AND SURVEY AREA 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 AREA ASSESSMENTS

____________________________________________ 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 AREA 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

YNPS License Termination Plan Revision 0 ii 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 ACTIVITIES ____________________________________ 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

YNPS License Termination Plan Revision 0 iii 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 ACTIONS

_____________________________________________ 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

YNPS License Termination Plan Revision 0 iv 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 ASSESSMENT ______________________________________ 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 ASSURANCE AND QUALITY CONTROL MEASURES ________ 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

YNPS License Termination Plan Revision 0 v

6.2 DOSE MODELING 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 AREA 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 6D 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

YNPS License Termination Plan Revision 0 vi 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 ANALYSIS 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

YNPS License Termination Plan Revision 0 vii 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

YNPS License Termination Plan Revision 0 viii 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

YNPS License Termination Plan Revision 0 ix 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

YNPS License Termination Plan Revision 0 x

This page intentionally left blank.

YNPS License Termination Plan Revision 0 xi 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

YNPS License Termination Plan Revision 0 xii 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