"A puzzle: predict soil gas from VOC groundwater contamination"

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hydroweb	Mar-01-02, 04:07 PM (GMT)
"A puzzle: predict soil gas from VOC groundwater contamination"
How can I predict soil gas concentrations based on the concentration of a VOC at the water table? For example, if I have 100 ppb TCE in groundwater with a water table at 100 ft bgs, what is the equilibrium concentration profile of TCE in soil gas from 100 ft to ground surface in say a uniform sand? The correct answer will receive special mention at the HYDROWEB web site!!!
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