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- W2051215397 abstract "Methyl tert -butyl ether (MTBE) plume is controlled by many factors, primarily by groundwater flow velocity, dispersion, natural attenuation. This study employed an analytical model introduced by 3, J. Hydrol. 91, 49–58.) to describe the MTBE concentration distribution horizontal pattern and estimated the MTBE plume length. The model was applied to 90 leaking underground storage tank cases in Los Angeles, CA, U.S.A. The analytical model was calibrated with field data for each case using a Microsoft Excel spreadsheet program. Methyl tert -butyl ether concentrations in one source monitoring well and one to two downgradient centerline monitoring wells were used for each case study. When the centerline well is not available, the closest off-centerline wells were projected to the centerline using an ellipse trigonometry method. The model parameter values for longitudinal dispersivity, groundwater velocity, and degradation rate constant were calibrated using the field data and then used to estimate the maximum distance between source well and the plume edge. This study demonstrates that the Domenico model can be applied to MTBE plume investigation when adequate field data are available. The correlation coefficients calculated based on the results of the 90 case studies indicate that MTBE plume length has a poor correlation with MTBE concentration at the source well, and a moderate negative correlation with the degradation rate constant (−0.65) and λ/ν ratio (0.64). Furthermore, MTBE plume length has a poor correlation with the longitudinal dispersivity (−0.4), hydraulic gradient (−0.1), and groundwater velocity (0.17)." @default.
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- W2051215397 date "2002-03-01" @default.
- W2051215397 modified "2023-10-17" @default.
- W2051215397 title "Estimation of Methyl tert -Butyl Ether Plume Length Using the Domenico Analytical Model" @default.
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- W2051215397 doi "https://doi.org/10.1006/enfo.2000.0025" @default.
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