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On-line Tools for Assessing Petroleum Releases
Citation:
Weaver, J W. On-line Tools for Assessing Petroleum Releases. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-04/101 (NTIS PB2005-101442), 2004.
Impact/Purpose:
To assist decision-making by improving approaches to subsurface contaminant transport modeling based on evaluation of field observations and subsequent development of appropriate modeling approaches and tools.
Description:
The Internet tools described in this report provide methods and models for evaluation of contaminated sites. Two problems are addressed by models. The first is the placement of wells for correct delineation of contaminant plumes. Because aquifer recharge can displace plumes downward, the vertical placement of well screens is critical to obtain proper characterization data. The second is the use of models where data are limited. In this case some form of uncertainty analysis is necessary to evaluate transport behavior. The remainder of the report describes a series of tools for estimating various model input parameters.