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Carnegie Mellon's Jean VanBriesen leads research team on Monongahela River
Date:8/6/2009

PITTSBURGH-Carnegie Mellon University's Jeanne M. VanBriesen and Kelvin Gregory will use a $100,000 grant from the Pittsburgh-based Colcom Foundation to study water quality in the Monongahela River.

The focus will be on the presence and effect of bromide associated with Marcellus Shale gas produced water, and sulfate from acid mine drainage, according to VanBriesen, a professor of civil and environmental engineering and faculty director of the Center for Water Quality in Urban Environmental Systems (WaterQUEST).

"The public has expressed increased concern about the produced water that may result from ongoing development of the southwestern Pennsylvania Marcellus Shale formation, which is reported to contain more than 300 trillion cubic feet of natural gas," VanBriesen said.

Developers using hydraulic fracturing, which involves injecting water and sand into major shale formations to help natural gas flow up a well, will need millions of gallons of water to complete the process at well sites. Water that returns to the surface, called flowback or produced water, is collected for reuse or disposal. Disposal at wastewater treatment plants along the Monongahela in 2008 is suspected as a contributing factor in high levels of total dissolved solids (TDS) observed in the river.

Carnegie Mellon researchers will work with the River Alert Information Network (RAIN), a regional association of drinking water suppliers that has been selected by the state to monitor the river quality.

"We will essentially collect data from sensors that RAIN deploys at various sites along the Monongahela River," said Gregory, an assistant professor in Carnegie Mellon's Civil and Environmental Engineering Department. The sensors will monitor for some aspects of water quality, and the Carnegie Mellon team will take additional samples for bromide and sulfate.


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Contact: Chriss Swaney
swaney@andrew.cmu.edu
412-268-5776
Carnegie Mellon University
Source:Eurekalert

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