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WPC was contracted by the South Carolina Department of Health and Environmental Control (SCDHEC) to provide petroleum remediation of gas station sites to correct the petroleum contamination impact of the soil and water caused by leaking storage tank systems.
WPC is currently under contract by SCDHEC to perform remediation at several locations throughout South Carolina. The remediation involves using technology known locally as AFVR (aggressive fluid and vapor recovery) and known by the U.S. Army Corps of Engineers as MPE (multi-phase extraction).
After the product is recovered from the water table, the air injection vaporizes remaining fuel caught in pore spaces, which is also extracted using the vacuum wells. Once total contaminants have completed vaporizing, the nutrients and microbes are then injected into the subsurface using both vacuum and air wells to speed up bio-degradation of remaining fuel contaminants. WPC’s use of mobile systems allows for several sites to be under remediation using one set of remedial equipment. The project was bid in January of 2006, with a targeted completion date of June, 2009.
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