T Tank Farm Interim Surface Barrier Demonstration - Vadose Zone Monitoring FY08 Report

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DOE’s Office of River Protection constructed a temporary surface barrier over a portion of the T Tank Farm as part of the T Farm Interim Surface Barrier Demonstration Project. The surface barrier is designed to minimize the infiltration of precipitation into the contaminated soil zone created by the Tank T-106 leak and minimize movement of the contamination. As part of the demonstration effort, vadose zone moisture is being monitored to assess the effectiveness of the barrier at reducing soil moisture. A solar-powered system was installed to continuously monitor soil water conditions at four locations (i.e., instrument Nests A, B, C, ... continued below

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Zhang, Z. F.; Strickland, Christopher E.; Field, Jim G. & Parker, Danny L. February 1, 2009.

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Description

DOE’s Office of River Protection constructed a temporary surface barrier over a portion of the T Tank Farm as part of the T Farm Interim Surface Barrier Demonstration Project. The surface barrier is designed to minimize the infiltration of precipitation into the contaminated soil zone created by the Tank T-106 leak and minimize movement of the contamination. As part of the demonstration effort, vadose zone moisture is being monitored to assess the effectiveness of the barrier at reducing soil moisture. A solar-powered system was installed to continuously monitor soil water conditions at four locations (i.e., instrument Nests A, B, C, and D) beneath the barrier and outside the barrier footprint as well as site meteorological conditions. Nest A is placed in the area outside the barrier footprint and serves as a control, providing subsurface conditions outside the influence of the surface barrier. Nest B provides subsurface measurements to assess surface-barrier edge effects. Nests C and D are used to assess changes in soil-moisture conditions beneath the interim surface barrier.

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  • Report No.: PNNL-18083 FINAL
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/960316 | External Link
  • Office of Scientific & Technical Information Report Number: 960316
  • Archival Resource Key: ark:/67531/metadc930156

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  • February 1, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

Description Last Updated

  • Dec. 2, 2016, 2:57 p.m.

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Zhang, Z. F.; Strickland, Christopher E.; Field, Jim G. & Parker, Danny L. T Tank Farm Interim Surface Barrier Demonstration - Vadose Zone Monitoring FY08 Report, report, February 1, 2009; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc930156/: accessed August 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.