Characterization Activities Conducted at the 183-DR Site in Support of an In Situ Gaseous Reduction Demonstration

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In Situ Gaseous Reduction (ISGR) is a technology developed by DOE for the remediation of soil waste sites contaminated with hexavalent chromium. This document presents information associated with characterization activities conducted at the 183-DR site at Hanford, which is associated with a significant groundwater contaminant plume and was formerly a water treatment facility that utilized chromate as a corrosion inhibitor. Geotechnical and chemical data were collected during the excavation of trenches and the drilling of two vadose zone boreholes to support a possible ISGR demonstration at 183-DR. Although elevated total chromium and trace levels of hexavalent chromium were identified from ... continued below

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Thornton, Edward C.; Gilmore, Tyler J.; Olsen, Khris B.; Schalla, Ronald & Cantrell, Kirk J. March 30, 2001.

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Description

In Situ Gaseous Reduction (ISGR) is a technology developed by DOE for the remediation of soil waste sites contaminated with hexavalent chromium. This document presents information associated with characterization activities conducted at the 183-DR site at Hanford, which is associated with a significant groundwater contaminant plume and was formerly a water treatment facility that utilized chromate as a corrosion inhibitor. Geotechnical and chemical data were collected during the excavation of trenches and the drilling of two vadose zone boreholes to support a possible ISGR demonstration at 183-DR. Although elevated total chromium and trace levels of hexavalent chromium were identified from one of the trenches and one of the boreholes, it appears that the boreholes missed the vadose zone contaminant source responsible for the chromium groundwater plume located downgradient of the 183-DR site. Recommendations are provided, however, for future work at 183-DR that may serve to identify the source for the groundwater plume and possibly provide an opportunity for an ISGR demonstration.

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  • Report No.: PNNL-13486
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/965741 | External Link
  • Office of Scientific & Technical Information Report Number: 965741
  • Archival Resource Key: ark:/67531/metadc932795

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 30, 2001

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 6, 2016, 7:39 p.m.

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Thornton, Edward C.; Gilmore, Tyler J.; Olsen, Khris B.; Schalla, Ronald & Cantrell, Kirk J. Characterization Activities Conducted at the 183-DR Site in Support of an In Situ Gaseous Reduction Demonstration, report, March 30, 2001; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc932795/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.