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Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites (2000)

Chapter:Appendix A Committee's Statement of Task

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Suggested Citation:"Appendix A Committee's Statement of Task." National Research Council. 2000. Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites. Washington, DC: The National Academies Press. doi: 10.17226/9949.
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APPENDIXES

Suggested Citation:"Appendix A Committee's Statement of Task." National Research Council. 2000. Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites. Washington, DC: The National Academies Press. doi: 10.17226/9949.
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Suggested Citation:"Appendix A Committee's Statement of Task." National Research Council. 2000. Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites. Washington, DC: The National Academies Press. doi: 10.17226/9949.
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APPENDIX A

Committee's Statement of Task

The purpose of this project is to assess approaches for developing criteria for transition from active to passive remediation and subsequent long-term disposition, including institutional control with monitoring and surveillance, of U.S. Department of Energy waste sites and facilities such as Hanford, Washington; Savannah River, South Carolina; Idaho National Engineering Laboratory; and Oak Ridge National Laboratory, Tennessee. Such criteria will include technical feasibility, future land use, performance assessment of remediation activities, and risks to health, safety, and the environment associated with long-term site disposition. Relevant federal and state regulatory requirements and agreements will be included. Appropriate approaches will be applicable to facilities such as high-level radioactive waste tanks (including related facilities and contaminated environments), buried radioactive waste (such as the Hanford low-level waste disposal sites), and on environments contaminated by nuclear testing (such as the Nevada Test Site weapons test event location).

April 1997

Suggested Citation:"Appendix A Committee's Statement of Task." National Research Council. 2000. Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites. Washington, DC: The National Academies Press. doi: 10.17226/9949.
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Page107
Suggested Citation:"Appendix A Committee's Statement of Task." National Research Council. 2000. Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites. Washington, DC: The National Academies Press. doi: 10.17226/9949.
×
Page108
Suggested Citation:"Appendix A Committee's Statement of Task." National Research Council. 2000. Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites. Washington, DC: The National Academies Press. doi: 10.17226/9949.
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Page109
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It is now becoming clear that relatively few U.S. Department of Energy (DOE) waste sites will be cleaned up to the point where they can be released for unrestricted use. "Long-term stewardship" (activities to protect human health and the environment from hazards that may remain at its sites after cessation of remediation) will be required for over 100 of the 144 waste sites under DOE control (U.S. Department of Energy, 1999). After stabilizing wastes that remain on site and containing them as well as is feasible, DOE intends to rely on stewardship for as long as hazards persist—in many cases, indefinitely. Physical containment barriers, the management systems upon which their long-term reliability depends, and institutional controls intended to prevent exposure of people and the environment to the remaining site hazards, will have to be maintained at some DOE sites for an indefinite period of time.

The Committee on Remediation of Buried and Tank Wastes finds that much regarding DOE's intended reliance on long-term stewardship is at this point problematic. The details of long-term stewardship planning are yet to be specified, the adequacy of funding is not assured, and there is no convincing evidence that institutional controls and other stewardship measures are reliable over the long term. Scientific understanding of the factors that govern the long-term behavior of residual contaminants in the environment is not adequate. Yet, the likelihood that institutional management measures will fail at some point is relatively high, underscoring the need to assure that decisions made in the near term are based on the best available science. Improving institutional capabilities can be expected to be every bit as difficult as improving scientific and technical ones, but without improved understanding of why and how institutions succeed and fail, the follow-through necessary to assure that long-term stewardship remains effective cannot reliably be counted on to occur.

Long-Term Institutional Management of U.S. Department of Energy Legacy Waste Sites examines the capabilities and limitations of the scientific, technical, and human and institutional systems that compose the measures that DOE expects to put into place at potentially hazardous, residually contaminated sites.

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