An integrated geophysical investigation of an inactive wood treatment facility

Conference · Fri Nov 01 04:00:00 EST 1996

OSTI ID:381535

Kar, J ^[1]; Miller, P T ^[2]

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1. C.C. Johnson & Malhotra, Silver Spring, MD (United States)
2. Roy F. Weston, Inc., Edison, NJ (United States)

Five geophysical methods were used to characterize the subsurface at an inactive wood treatment facility. Seismic refraction, electromagnetic conductivity (EM-31 and EM-34), very low frequency (VLF), and spontaneous potential (SP) methods were used to locate potential water-bearing zones and to help understand the driving mechanisms for the movement of groundwater and chemical Constituents below the site, The investigation was successful in delineating areas where gravity drainage, groundwater seepage, and Area groundwater movement was occurring. Typically, these areas were characterized by lower bedrock elevations, decreased bedrock Velocities, increased electrical conductivity values, and anomalous VLF and SP deflections. The data were incorporated into the generation of site models, the determination of critical geologic information, and the placement of seven proposed monitoring wells.

• OSTI ID: 381535
• Report Number(s): CONF-960477--
• Country of Publication: United States
• Language: English

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