Articles | Volume 21, issue 3
https://doi.org/10.5194/hess-21-1381-2017
https://doi.org/10.5194/hess-21-1381-2017
Research article
 | 
08 Mar 2017
Research article |  | 08 Mar 2017

Experimental study on retardation of a heavy NAPL vapor in partially saturated porous media

Simon Matthias Kleinknecht, Holger Class, and Jürgen Braun

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Latest update: 17 Jul 2024
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Short summary
Retardation of migrating contaminant vapors in the subsurface may mitigate groundwater contamination or vapor intrusion into buildings. An experimental investigation was conducted to quantify the retardation of carbon disulfide (CS2) vapor in moist porous media based on the analysis of concentration breakthrough curves. Findings linked retardation to types of porous media and water saturation. Moreover, the first evidence of biodegradation of the CS2 vapor was found in the column experiments.