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The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Vapor-phase transport of trichloroethene in an intermediate-scale vadose-zone system: Retention processes and tracer-based prediction

Costanza-Robinson, Molly S., Carlson, Tyson D., Brusseau, Mark L.·2013·Journal of Contaminant Hydrology

Abstract

Gas-phase miscible-displacement experiments were conducted using a large weighing lysimeter to evaluate retention processes for volatile organic compounds (VOCs) in water-unsaturated (vadoze-zone) systems, and to test the utility of gas-phase tracers for predicting VOC retardation. Trichloroethene (TCE) served as a model VOC, while trichlorofluoromethane (CFM) and heptane were used as partitioning tracers to independently characterize retention by water and the air-water interface, respectively. Retardation factors for TCE ranged between 1.9 and 3.5, depending on water content. The results indicate that dissolution into the bulk water was the primary retention mechanism for TCE under all conditions studied, contributing approximately two thirds of the total measured retention. Accumulation at the air-water interface comprised a significant fraction of the observed retention for all experiments, with an average contribution of approximately 24%. Sorption to the solid phase contributed approximately 10% to retention. Water contents and air-water interfacial areas estimated based on the CFM and heptane tracer data, respectively, were similar to independently measured values. Retardation factors for TCE predicted using the partitioning-tracer data were in reasonable agreement with the measured values. These results suggest that gas-phase tracer tests hold promise for characterizing the retention and transport of VOCs in the vadose-zone.

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Crossref · 10.1016/j.jconhyd.2012.12.004

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Authors
Costanza-Robinson, M. S., Carlson, T. D., & Brusseau, M. L.
Venue
Journal of Contaminant Hydrology
Publisher
Elsevier BV
Published
2013-02
Volume
145
Pages
82-89
ISSN
0169-7722
Cited by
15
References
39
Language
en
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)

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