Conductivity of Three Commercially Available Clays to Petroleum Products and Organic Solvents

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Abstract
A laboratory study using three commercially available clays admixed to sand and compacted in fixed wall permeameters measured the conductivity of each soil to organic solvents and petroleum products. The permeants included acetone, xylene, kerosene, diesel fuel, gasoline, and motor oil. The average conductivity of all three soils to xylene was significantly greater than corresponding conductivities to water. In addition, the conductivities of Soils CC1 and CC2 to both gasoline and kerosene were significantly increased. Conductivity increases ranged from 1 to 4 orders of magnitude. Conductivity changes in CC1 and CC2 were similar; however, the corresponding changes in CC3 were about 1 order of magnitude less, possibly due to the different mineralogy of this clay.

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