Fate/Transport Modeling of Immiscible LNAPL in Unsaturated Aquifers

by Avdhesh K. Tyagi, Oklahoma State Univ, Stillwater, United States,
James Martell, Oklahoma State Univ, Stillwater, United States,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


In the past ten years since enacting CERCLA and SARA regulations there is a lack of model to adequately address the fate/transport of immiscible constituents in groundwater systems. This paper presents the behavior of immiscible contaminants, immiscible constituents, and the three phase system. The MOFAT-2D model developed for the Environmental Protection Agency (EPA) is used in predicting the plume migration of p-cymene and to conduct the sensitivity analysis of various model parameters, such as, the unsaturated flow parameters alpha and n, porosity, and permeability.

Subject Headings: Sensitivity analysis | Hydrologic models | Nonaqueous phase liquids | Groundwater pollution | Parameters (statistics) | Water pollution | Pollutants | Mathematical models

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