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Column Experiments and Anomalous Conductivity in Hydrocarbon-Impacted Soils

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Abstract:A laboratory experiment was designed to increase the understanding of the geoelectric effects of microbial " degradation of hydrocarbons. Eight large columns were were paired to provide a replicate of each of four experiments. These large-volume columns contained "sterilized" soil from a well-studied field site and 25% BH nutrient solution. Two columns contained diesel fuel, two contained microbes, and two contained both microbes and diesel. The remaining two columns were control columns, with only soil and 25% BH solution. A fixed vertical array of electrodes was mounted inside the wall of each column. Apparent resistivity data were collected from each column at 2-cm intervals every 10 days for more than 18 months. These data show large changes in the conductivity of the LNAPL-impacted zones, but relatively small changes in the control columns.
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Citation:Sherrod, L., W. Sauck, D. Werkema, and E. Atekwana. Column Experiments and Anomalous Conductivity in Hydrocarbon-Impacted Soils. Presented at Eighth International Congress of the Brazilian Geophysical Society, Rio de Janeiro, Brazil, September 14-18, 2003EPA/600/A-03/205 (NTIS PB2004-100457).
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Contact: Chris Siebert - (702) 798-2234 or siebert.christopher@epa.gov
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Division: Environmental Sciences Division
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Branch: Characterization & Monitoring Branch
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Product Type: Sympos/Conf
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Presented: 09/14/2003
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Related Entries:
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Bullet Item Ground-Water Sampling and Geophysical Methods Development and Evaluation
spacer Relationship Reason:   A Project of the Product
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Last Updated on Monday, October 22, 2007
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