Bear Creek Valley characterization area mixed wastes passive in situ treatment technology demonstration project - status report

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Historical waste disposal activities within the Bear Creek Valley (BCV) Characterization Area (CA), at the U.S. Department of Energy (DOE) Oak Ridge Y-12 plant, have contaminated groundwater and surface water above human health risk levels and impacted the ecology of Bear Creek. Contaminates include nitrate, radioisotopes, metals, volatile organic chemicals (VOCS), and common ions. This paper provides a status report on a technology demonstration project that is investigating the feasibility of using passive in situ treatment systems to remove these contaminants. Although this technology may be applicable to many locations at the Oak Ridge Y-12 Plant, the project focuses on … continued below

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Watson, D.; Leavitt, M. & Moss, D. March 1, 1997.

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Historical waste disposal activities within the Bear Creek Valley (BCV) Characterization Area (CA), at the U.S. Department of Energy (DOE) Oak Ridge Y-12 plant, have contaminated groundwater and surface water above human health risk levels and impacted the ecology of Bear Creek. Contaminates include nitrate, radioisotopes, metals, volatile organic chemicals (VOCS), and common ions. This paper provides a status report on a technology demonstration project that is investigating the feasibility of using passive in situ treatment systems to remove these contaminants. Although this technology may be applicable to many locations at the Oak Ridge Y-12 Plant, the project focuses on collecting the information needed to take CERCLA removal actions in 1998 at the S-3 Disposal Ponds site. Phase 1 has been completed and included site characterization, laboratory screening of treatment media (sorbents; and iron), and limited field testing of biological treatment systems. Batch tests using different Y-12 Plant waters were conducted to evaluate the removal efficiencies of most of the media. Phase 1 results suggest that the most promising treatment media are Dowex 21 k resin, peat moss, zero-valent iron, and iron oxides. Phase 2 will include in-field column testing of these media to assess loading rates, and concerns with clogging, by-products, and long-term treatment efficiency and media stability. Continued testing of wetlands and algal mats (MATs) will be conducted to determine if they can be used for in-stream polishing of surface water. Hydraulic testing of a shallow trench and horizontal well will also be completed during Phase 2. 4 refs., 3 tabs.

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7 p.

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INIS; OSTI as DE97003184

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  • International containment technology conference and exhibition, St. Petersburg, FL (United States), 9-12 Feb 1997

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  • Other: DE97003184
  • Report No.: CONF-970208--11
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 475655
  • Archival Resource Key: ark:/67531/metadc676454

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Office of Scientific & Technical Information Technical Reports

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  • March 1, 1997

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  • June 14, 2016, 5:28 p.m.

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Watson, D.; Leavitt, M. & Moss, D. Bear Creek Valley characterization area mixed wastes passive in situ treatment technology demonstration project - status report, article, March 1, 1997; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc676454/: accessed June 21, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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