317/319 Phytoremediation site monitoring report - 2009 growing season : final report.

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In 1999, Argonne National Laboratory (Argonne) designed and installed a series of engineered plantings consisting of a vegetative cover system and approximately 800 hybrid poplars and willows rooting at various predetermined depths. The plants were installed using various methods including Applied Natural Science's TreeWell{reg_sign} system. The goal of the installation was to protect downgradient surface and groundwater by intercepting the contaminated groundwater with the tree roots, removing moisture from the upgradient soil area, reducing water infiltration, preventing soil erosion, degrading and/or transpiring the residual volatile organic compounds (VOCs), and removing tritium from the subsoil and groundwater. This report presents the ... continued below

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Negri, C .N.; Benda, P. L.; Gopalakrishnan, G. & Systems, Energy February 10, 2010.

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In 1999, Argonne National Laboratory (Argonne) designed and installed a series of engineered plantings consisting of a vegetative cover system and approximately 800 hybrid poplars and willows rooting at various predetermined depths. The plants were installed using various methods including Applied Natural Science's TreeWell{reg_sign} system. The goal of the installation was to protect downgradient surface and groundwater by intercepting the contaminated groundwater with the tree roots, removing moisture from the upgradient soil area, reducing water infiltration, preventing soil erosion, degrading and/or transpiring the residual volatile organic compounds (VOCs), and removing tritium from the subsoil and groundwater. This report presents the results of the monitoring activities conducted by Argonne's Energy Systems (ES) Division in the growing season of 2009. Monitoring of the planted trees began soon after the trees were installed in 1999 and has been conducted every summer since then. As the trees grew and consolidated their growth into the contaminated soil and groundwater, their exposure to the contaminants was progressively shown through tissue sampling. During the 2009 sampling campaign, VOC concentrations found in the French Drain area were in general consistent with or slightly lower than the 2008 results. Additionally, closely repeated, stand wide analyses showed contaminant fluctuations that may indicate short-term contaminant depletion in the area of interest of roots. This data will be useful to determine short-term removal rate by the trees. As in previous years, levels in the Hydraulic Control Area were close to background levels except for a few exceptions.

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  • Report No.: ANL/ES/RP-66172
  • Grant Number: DE-AC02-06CH11357
  • DOI: 10.2172/972197 | External Link
  • Office of Scientific & Technical Information Report Number: 972197
  • Archival Resource Key: ark:/67531/metadc925648

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  • February 10, 2010

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  • Nov. 13, 2016, 7:26 p.m.

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  • Feb. 16, 2017, 4:31 p.m.

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Negri, C .N.; Benda, P. L.; Gopalakrishnan, G. & Systems, Energy. 317/319 Phytoremediation site monitoring report - 2009 growing season : final report., report, February 10, 2010; United States. (digital.library.unt.edu/ark:/67531/metadc925648/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.