Effect of Volatile Hydrocarbon Fractions on Mobility and Earthworm Uptake of Polycyclic Aromatic Hydrocarbons from Soils and Soil/Lampblack Mixture

The mobility of PAHs in a suite of soils from former manufactured-gas-plant sites was measured using XAD4 resins encapsulated in a membrane. In addition, PAH uptake by earthworms Eisenia fetida was quantified. The study soils included a group of seven lampblack-containing PAH-contaminated soils from...

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Published in:Environmental toxicology and chemistry 2005-01, Vol.24 (1), p.181-181
Main Authors: Bogan, Bill W, Beardsley, Kate E, Sullivan, Wendy R, Hayes, Thomas D, Soni, Bhupendra K
Format: Article
Language:English
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Summary:The mobility of PAHs in a suite of soils from former manufactured-gas-plant sites was measured using XAD4 resins encapsulated in a membrane. In addition, PAH uptake by earthworms Eisenia fetida was quantified. The study soils included a group of seven lampblack-containing PAH-contaminated soils from sites throughout California, as well as contaminated soils that did not contain lampblack. Results showed that none of the PAHs larger and more hydrophobic than chrysene desorbed from any of the test soils, and mobility of PAHs in the soils containing lampblack was about half that observed in soils without lampblack. Earthworm bioaccumulation appeared to depend on the gasoline- and diesel-range organics levels.
ISSN:0730-7268