Rope Skimming System

An abandoned refinery in the Midwest is located near a suburb of a medium-sized city. The site encompasses about 60 acres and has remained unoccupied since surface features at the refinery were removed in the 1960s. During the late 1970s, adjacent residents began to complain that their shallow irrigation wells produced contaminated water that smelled like gasoline. 

Chemical analysis of water samples collected from monitoring wells and adjacent ditches was performed for BTEX, total organic carbon (TOC), chromium, and lead. Results of analysis presented a complicated chemical distribution in a dynamic 

FIGURE 12.5 Refinery site facility layout map showing well locations and configuration of the water table. 

HU ML INORGANIC SILT AND VERY FINE SAND CLAYEY SILT 

FIGURE 12.6 ffydrogeologic cross section at refinery site. 

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