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I joined the Civil Engineering Department at NC State University in August 1989 after completing my Ph.D. at the University of Wisconsin in 1988 and after spending a year as a research scientist at the U.S. Environmental Protection Agency Laboratory for Groundwater Research (Ada, OK). I am one of 11 faculty members in the Water Resources and Environmental Engineering area of the Civil Engineering Department.
My research includes these four areas:
Refuse Decomposition in Landfills: In this area, I am studying the biodegradability of individual refuse constituents and hazardous organics in landfills, techniques for improving methane yields from landfills, and characterization of the dominant microorganisms involved in decomposition.
Anaerobic Bioremediation: I work with Dr. R.C. Borden on the anaerobic decomposition of petroleum hydrocarbons and ethers in contaminated aquifers.
Integrated Solid Waste Management: I collaborate with Drs. E. Downey Brill and S. Ranji Ranjithan in research to identify optimal strategies for solid waste management in consideration of both cost and environmental burdens using life-cycle analysis.
Geoenvironmental Engineering: I have been working with Dr. R. H. Borden from geotechnical engineering on the transport and fate of organic chemicals released from grouted soils and with Dr. M. A. Gabr on the long-term stability of solid waste landfills.
For more information about my ongoing research, please select Research Abstracts from the menu at the top of the page; or for my representative publications list, select Publications.