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 MCS installed a soil-vapor extraction (SVE) system at the Canyon Village maintenance
shop at the park. Gasoline spills from fueling facilities impacted the
soil and shallow groundwater at the park shop. The project
was completed under the regulatory supervision of the Wyoming
Department of Environmental Quality. To fulfill Yellowstone National park's project requirements,
MCS
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installed six horizontal extraction wells due to seasonal high groundwater in the area; |
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sealed horizontal extraction wells with plastic and bentonite to prevent short-circuiting; |
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took over the operations and maintenance of an existing free-product skimming system; and |
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monitored 20 wells at the facility in 2005 on a quarterly basis. |
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