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Geosyntec News

David Adilman and Erik Petrovskis Present on Fractured Rock Remediation in Vermont

Release Date: 11/01/11

 

David Adilman, PG, and Erik Petrovskis, PhD, PE, made presentations at a National Groundwater Association (NGWA) conference Sept. 26-27. The “ NGWA Focus Conference on Fractured Rock and Eastern Groundwater Regional Issues , ” held in Burlington, Vt., addressed the evolving science and developing technologies for fractured rock aquifers.

 

The conference allowed groundwater professionals, resource managers, and state and regional regulators to interact, compare characterization techniques and remedial solutions, and explore policy initiatives regarding the fractured rock environment. SiREM was an exhibitor at this year's conference.

 

David, an associate hydrogeologist based in the firm’s suburban Boston office, presented “ Application of Bioremediation for TCE in a Crystalline Bedrock Aquifer .”  The paper – co-authored by associate Carl Elder, PhD, PE, and senior staff engineer Christopher Arsenault – presents the results of a treatability study, tracer study, and a pilot test for a crystalline bedrock site in Massachusetts where 200 mg/L of trichloroethene was found 200 feet below ground surface.  The presentation documented how addition of electron donor and bioaugmentation were used to reduce TCE concentrations in bedrock from more than 100 ppm to near non-detectable levels in only three months.

 

Erik, an associate based in the firm’s Ann Arbor office, presented “ Remediation of a Gasoline Release in Fractured Dolomite Using a Bedrock Extraction Trench .”  This paper – co-authored by Carl, David, and Rick Skowron (Oak Brook) – discussed the use of an extraction trench installed 18 feet below ground surface and eight feet into bedrock to improve the capture of a gasoline and methyl tert-butyl ether release in the Midwest that resulted in the closure of several municipal and residential wells. 

 

For more information, contact David Adilman, 978-206-5769 or dadilman@geosyntec.com , and Erik Petrovskis, 734-332-8004 or epetrovskis@geosyntec.com .