Tank Wastes Planned for On-Site Disposal at Three Department of Energy Sites The Savannah River Site: Interim Report (2005) / Chapter Skim
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I Introduction and Background
I Introduction and Background
Pages 11-20
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to request a study from the National Academies' evaluating DOE's plans to manage radioactive waste streams from reprocessed spent fuel that =exceed the concentration limits for Class C low-level waste as set out in Section 61.55 of Title 10, Code of Federal Regulations;23 DOE plans to dispose of on the sites specified below rather than in a repository for spent nuclear fuel and high-level waste; and are stored in tanks at the Savannah River Site, South Carolina; Idaho National Engineering and Environmental Laboratory, Idaho; and the Hanford Reservation, Washington. Congress asked the National Academies to assess the following: (a)
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The National Defense Authorization Act states that the interim report shall address Any additional actions the Department should consider to ensure that the Department's plans for the Savannah River Site, including plans for grouting of tanks, will comply with the performance objectives [of Part 61 of Tine 10, Code of Federal Regulations] in a more effective manner ...
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Nuclear Regulatory Commission in coordination with the host state. DOE already develops its plans for Savannah River Site tank waste disposition subject to the approval of the South Carolina Department of Health and Environmental Control under the Savannah River Site Federal Facility Agreement (FFA)
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None of the reactors is operating today and plutonium production has ceased at the site, but related operations in a second chemical processing facility, the H Canyon, and other waste processing operations continue to generate relatively small amounts of waste. Each canyon facility piped liquid waste from the spent nuclear fuel processing operations to a set of tanks located in its area: the F-Area Tank Farm has 22 tanks and the H-Area Tank Farm has 29 tanks.'° The tanks range in size from about 2,850 cubic meters (m3)
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1 1J .) 15 FIGURE 1 Diagrams of tank types at the Savannah River Site (not drawn to scale)
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FIGURE 2 Aggregated volume and radioactivity distributions among the tank waste phases in all tanks at the Savannah River Site as of December 2004.
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a low-activity waste stream, which is to be disposed on-site as low-level radioactive waste. Figure 3 illustrates the waste flows that DOE has described for tank wastes at the Savannah River Site.
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The other separated fraction, consisting mainly of the nonradioactive salts and other constituents with low concentrations of radionuclides that make up the less contaminated, low-activity waste stream, is to be conditioned in the Saltstone Production Facility—an operation that mixes liquid waste with grouts to create a waste form referred to as saltstone, which is disposed on-site as a monolith in concrete vaults. Until now, the Saltstone Production Facility has handled very low activity waste.
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DOE regulates the radioactive component of this waste through the Atomic Energy Act and Section 3116 of the Ronald Reagan Defense Authorization Act of 2005; the state regulates the hazardous component of the waste through the South Carolina wastewater treatment and hazardous waste regulations (SCDHEC, 2004a, 2004b)
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and (V) ,17 and · DOE Order435.1, Waste Management.48 46 DOE, 1996b.
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