It is particularly valuable to understand the dynamic behavior of nonaqueous-phase liquid (NAPL) source zones when evaluating dissolved plume longevity. New perspectives on source zone depletion have evolved from a number of recent studies, but little work has been done to apply these advances to field-scale problems due to the degree of uncertainty associated with contaminated sites. In addition, the vast majority of studies have focused on single-constituent NAPL sources instead of addressing the complexities associated with mixtures. To address these issues, mass transfer coefficients and source mass depletion were quantified for a field-scale dissolution experiment using an emplaced, architecturally-complex, three-component NAPL source.
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