EPA On-line Tools for Site Assessment Calculation

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The Average Borehole Concentration (ABC) applet demonstrates the effects of sampling with a single long-screened well from a depth-varying concentration, located in depth varying hydraulic conductivity field. The applet demonstrates

The need for sampling at correct depths
Concentration averages with various screen lengths at different depths
Effect of hydraulic conductivity variation (check the Ignore Conductivity variation box)

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Page author: Jim Weaver, of U.S. EPA, Office of Research and Development, Athens Georgia who last modified this content on: February 14, 2001

EPA On-line Tools for Site Assessment Calculation

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