Contractors install a directionally drilled, horizontal sparge well under an airfield at Robins Air Force Base, Georgia, to clean up a fuel contaminated groundwater plume. A sparge well injects air into a groundwater table which bubbles up through contaminated water, stripping contaminates out and restoring the site to regulatory levels. In addition to helping the base develop a work plan and obtain necessary permits and waivers, the Air Force Civil Engineer Center installation support section on Robins oversaw the construction and long-term operation of the remediation system. (Courtesy photo)
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