Overview The subject site is a former refinery in Michigan. A mixture of Gasoline Range Organic (GRO) and Diesel Range Organic (DRO) compounds have impacted a fine to very fine sand aquifer across a smear zone above and below the water table at a depth of approximately 30 feet below ground surface (ft bgs). Two STAR Pre-Design Evaluations (PDEs) were conducted to evaluate Radius of Influence (ROI), combustion front propagation rate, and vol

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