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Ground Water Remediation
Dr. John Wilson of EPA’s National Risk Management Research Laboratory, was invited to give three presentations on ground water remediation to university and governmental scientists in China in October 2008.
The titles of the seminars, held at the China University of Geosciences at Beijing (CUGB), were: Remediation Technology for Contaminated Ground Water, Natural Attenuation of Chlorinated Solvents and Fuel Components (BTEX and MTBE), and Site Characterization to Support Risk Assessment of Contaminated Ground Water- Some Case Studies.
In addition to the presentations, Dr. Wilson participated in two informal discussions with students at CUGB concerning their work to develop and apply technology to remediate ground water contamination in China. Most of their work centers on biological and chemical reduction of nitrate. Dr. Wilson suggested that the students consider the application of passive reactive barriers (PRBs) constructed with plant mulch to achieve treatment of nitrate in situ.
Dr. Chunming Su, Dr. Rick Wilkin, and Dr. Steve Hutchins in the same EPA laboratory, have published several journal articles on the use of PRBs constructed with plant materials to promote denitrification in ground water. These articles were provided to researchers at the CUGB and at the University of Beijing.
Selected journal articles related to ground water remediation:
Removal of added nitrate in cotton burr compost, mulch compost, and peat: Mechanisms and potential use for groundwater nitrate remediation. Chunming Su and Robert W. Puls. Chemosphere 66 (2007) 91–98.
Remediation of TCE-Contaminated Groundwater by a Permeable Reactive Barrier Filled with Plant Mulch (Biowall). Xiaoxia Lu, John T. Wilson, Hai Shen, Bruce M. Henry, and Donald H. Kampbell. Journal of Environmental Science and Health Part A (2008) 43, 24-35.
Monitored Natural Attenuation of MTBE as a Risk Management Option at Leaking Underground Storage Tank Sites. 2005. John T. Wilson, Philip M. Kaiser and Cherri Adair. EPA-600/R-04/179.
Using Direct Push Tools to Map Hydrostratigraphy and Predict MTBE Plume Diving. 2005. John T. Wilson, Randall R. Ross and Steven Acree. Ground Water Monitoring and Remediation. 25(3): 93-102.