Subsurface Disposal of Liquid Low-Level Radioactive Wastes at Oak Ridge, Tennessee |
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| Abstract: | Liquid low-level radioactive wastes have been disposed of by subsurface injection at Oak Ridge, Tennessee, for the last two decades. The process entails mixing the wastes with cement and other additives, then pumping the slurry under pressure into a highly impermeable shale; the pressure is sufficient to create bedding plane fractures in which the grout, containing the wastes, sets. Research is being conducted to develop an understanding of the hydrology of the site and monitoring methods. The present regulatory climate regarding injection wells has created an uncertain future for this technique. |
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