Tabla de Contenidos:
  • THE HANFORD TANKS: ENVIRONMENTAL IMPACTS AND POLICY CHOICES
  • Copyright
  • PREFACE
  • Contents
  • EXECUTIVE SUMMARY
  • PRINCIPAL FINDINGS
  • TANKS
  • Uncertainties
  • Decision Strategy
  • PRINCIPAL FINDINGS
  • CAPSULES AND MISCELLANEOUS TANKS
  • RECOMMENDATIONS
  • 1 INTRODUCTION
  • 2 BACKGROUND
  • THE DRAFT ENVIRONMENTAL IMPACT STATEMENT AND DECISION PROCESS
  • NATIONAL ENVIRONMENTAL PROTECTION ACT ANALYSIS AFFECTING THE HANFORD SITE
  • DESCRIPTION OF WASTE MANAGEMENT FACILITIES
  • Large High-Level Waste Storage Tanks
  • Miscellaneous Underground Storage TanksEncapsulated Cesium and Strontium
  • What Is Not Addressed
  • DESCRIPTION OF ALTERNATIVES
  • 3 FINDINGS
  • TECHNOLOGY UNCERTAINTIES
  • COST ESTIMATE UNCERTAINTIES
  • PERFORMANCE UNCERTAINTIES
  • REGULATORY UNCERTAINTIES
  • UNCERTAINTIES IN TANK AND ENVIRONMENTAL CHARACTERIZATION
  • HEALTH RISK UNCERTAINTIES
  • Presentation of Key Risk Parameters and Health Impact Projections
  • Use of Guidance on Collective Dose
  • Risk Assessment for Comparison of Alternatives
  • Intruder Scenario Estimates
  • Dose-Response Estimates
  • UNCERTAINTIES ABOUT REMEDIATION OF RESIDUAL CONTAMINATIONTRANSFER OF RISK TO OFF-SITE POPULATIONS
  • FUTURE LAND USE UNCERTAINTIES AND EFFECT ON ALTERNATIVES
  • CAPSULES AND MISCELLANEOUS TANKS
  • Cesium and Strontium Capsules
  • Cesium Capsules
  • Strontium Capsules
  • Miscellaneous Underground Storage Tanks
  • 4 RECOMMENDATIONS
  • RECOMMENDED APPROACH
  • Phasing
  • Range of Alternatives to Consider
  • Summary
  • THE FIRST PHASE
  • Uncertainties About Technology, Performance, Cost, and Risks
  • Policy and Regulatory Uncertainties
  • Uncertainties About Characteristics of Wastes Inside and Outside the TanksRange of Technologies
  • Interrelationships with Other Hanford Site Cleanup Decisions
  • 5 SUGGESTIONS FOR CLARIFYING THE FINAL ENVIRONMENTAL IMPACT STATEMENT
  • ABBREVIATIONS
  • REFERENCES CITED
  • APPENDIX A REQUEST FOR STUDY
  • APPENDIX B DESCRIPTION OF ALTERNATIVES
  • NO ACTION
  • LONG-TERM MANAGEMENT
  • IN SITU FILL AND CAP
  • IN SITU VITRIFICATION
  • EX SITU/IN SITU COMBINATION
  • EX SITU/IN SITU COMBINATION VARIATION
  • EX SITU NO SEPARATIONS
  • Ex situ intermediate separationsex situ extensive separations
  • phased implementation