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Characterization of the Unsaturated Zone Using Carbon Monoxide as a Tracer Gas to Improve Soil Venting Systems

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Field Screening Europe
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Abstract

Soil vapor extraction is a method for the in situ removal of volatile contaminants, e.g., halogenated hydrocarbons, from the unsaturated zone by either removing the vapor phase contaminants through the air spaces in the soil or by transferring contaminants from residual liquid and dissolving phases to the vapor phase. In all cases, knowledge of the radius of influence and flux of soil gas is important to improve the amount of contaminants which are removed from the soil. Tracer experiments are useful to understand the flow of the soil gas and to estimate the air-permeability in the homogenous or heterogeneous unsaturated zone. To ensure successful use, a tracer must show certain qualities, e.g. easy detection and limited natural concentration in the soil air.

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© 1997 Kluwer Academic Publishers

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Richardson, S., Wohnlich, S. (1997). Characterization of the Unsaturated Zone Using Carbon Monoxide as a Tracer Gas to Improve Soil Venting Systems. In: Gottlieb, J., Hötzl, H., Huck, K., Niessner, R. (eds) Field Screening Europe. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1473-5_34

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  • DOI: https://doi.org/10.1007/978-94-009-1473-5_34

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7159-8

  • Online ISBN: 978-94-009-1473-5

  • eBook Packages: Springer Book Archive

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