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EOS Remediation, LLC

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EOS Remediation Wins an EBJ Award for EAS

EBJ Honors Outstanding Environmental Firms with 2009 Business Achievement: Technology Merit Award

Raleigh, NC, March 24, 2010 --( EOS Remediation, LLC, a developer and manufacturer of advanced technologies for groundwater restoration is a winner of an Environmental Business Journal 2009 Business Achievement Award. The Technology Merit Award was granted for successful commercialization of EAS, a sulfate-enhanced technology for in situ remediation of contaminated groundwater. The conventional wisdom for remediation of aquifers contaminated with petroleum hydrocarbons (PHCs) is to add oxygen. A paradigm shift in the remediation of petroleum hydrocarbons has occurred that employs EAS, a sulfate-enhanced in situ remediation strategy.

It was once thought that aromatic hydrocarbons do not biodegrade under anaerobic conditions. Several recent studies have concluded that most hydrocarbon plumes are anaerobic and depleted of sulfate. Sulfate reduction and methanogenesis appear to dominate natural degradation processes at most sites (Wiedemeier et al., 1999); and therefore, adding oxygen may be disadvantageous. After the rejuvenation of sulfate which was previously limited, anaerobic groundwater bacteria use the PHCs for carbon and energy while mineralizing the hydrocarbons to carbon dioxide and water. EAS addition enhances natural conditions and reduces the carbon foot print when compared to conventional remediation. The addition of EAS stimulates biodegradation by providing a soluble, readily available electron acceptor. For more information on EAS, please visit

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EOS Remediation, LLC
Gary Birk

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