Long term contaminant migration performance evaluation of engineered barrier systems

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The proposed program will investigate the long term contaminant migration performance of different microbial and organic contaminants through engineered barrier systems. The main application of this work will be in the pre-design stage assessment of appropriate barrier systems for contaminated sites or containment facilities in terms of quantitative comparisons with other potential technologies. The knowledge gained from the research will also provide information which could lead to more cost effective, yet equally reliable engineered barrier systems for lagoons, landfills, contaminated sites, etc. The research program is subdivided into two main themes: 1) microbial transport through GCLs, and, 2) organic contaminant transport through soil cement mixtures containing coal fly ash. A literature review of these theme areas found a paucity of information currently exists.