Review of the Continued Analysis of Supplemental Treatment Approaches of Low-Activity Waste at the Hanford Nuclear Reservation Review #3 (2023) / Chapter Skim
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Pages 8-15
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to conduct a concurrent, iterative review of the FFRDC report as it develops to inform and improve the FFRDC's work.1 DOE contracted with Savannah River 1 For clarity, this review report uses the nomenclature of team for the FFRDC's investigators, committee for the National Academies committee, report for the FFRDC team's work, and review or review report for the committee's work.
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The FFRDC team's task is to provide DOE and Congress with a side-by-side comparison of the alternative treatment approaches and disposal options to aid decision making. As the committee has emphasized, its role in this iterative process was "to evaluate the technical quality and completeness" of the FFRDC report.
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To perform its peer review task, the National Academies formed a committee composed of 14 experts and one technical consultant whose expertise spans the issues relevant for reviewing the FFRDC's analysis, including risk assessment, cost estimation, cost-benefit analysis, decision analysis, waste pretreatment, supplemental treatment approaches, legal and regulatory requirements, and large-scale nuclear construction projects. Several of the committee members have prior experience in studying cleanup activities at the Hanford Nuclear Reservation, as well as at other DOE-EM sites.
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some liquid waste streams from the WTP LAW pretreatment facility after it begins operation. The relative contribution of the LAW volume needed to be treated will substantially increase once the WTP HLW vitrification facility begins operation.
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For the purposes of this report, the DFLAW project is a treatment pathway for LAW that involves a number of interconnected facilities that allows the WTP LAW vitrification plant to operate sooner, before the HLW vitrification facility is ready to operate, by operating all of the WTP facilities and capabilities except the WTP HLW vitrification and the pretreatment facilities (see Figure 1-1, a schematic describing the facilities that constitute DFLAW)
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CONTEXT AND SETTING 13 FIGURE 1-1 Schematic for direct feed low activity waste (DFLAW) from DOE-ORP.
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In addition, the latest iteration of the FFRDC report includes a number of new side-by-side, pairwise comparisons of options that are particularly helpful. The committee cautions, however, that the choice among grout options do not have significant costs differences to favor one grouting option but should be seen as a general method.
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