Control of Groundwater Contamination: Case Studiesby James W. Mercer, GeoTrans Inc, Herndon, VA, USA,
Charles R. Faust, GeoTrans Inc, Herndon, VA, USA,
Anthony D. Truschel, GeoTrans Inc, Herndon, VA, USA,
Robert M. Cohen, GeoTrans Inc, Herndon, VA, USA,
Abstract: Engineered solutions to groundwater contamination problems are being proposed at many hazardous waste sites, yet the effectiveness and long-term reliability of many of these proposed solutions are unknown. Only recently have sufficient data on existing engineered solutions been collected to enable preliminary evaluation; however, some of this information is difficult to obtain due to the litigation surrounding most sites. Case studies are an important method of identifying problem areas in controlling contamination. Knowledge from one site can provide information about corrections and improvements to engineered solutions at other hazardous waste sites. Three case studies are discussed in this paper, including Love Canal near Niagara Falls, New York, Rocky Mountain Arsenal near Denver, Colorado, and Lipari landfill near Pitman, New Jersey. Among these three sites, a variety of remediations have been utilized, including recharge and discharge wells, low-permeability walls, drains, and various types of covers. The effectiveness of each method is evaluated using groundwater monitoring data. Results of the evaluation reveal a wide range in the level of success of the various remediations, thus indicating the importance of monitoring following remediation.
Subject Headings: Case studies | Groundwater pollution | Waste sites | Remediation | Occupational safety | Data collection | Hazardous wastes | North America | United States | Colorado | Rocky Mountains | New Jersey | Denver | New York
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