The U.S. Geological Survey
United States Virgin Islands
I obtained a Ph.D. in aqueous and sedimentary low-temperature geochemistry from Michgan State University in 1989. My dissertation was on the geochemistry and evolution of Michigan Basin brines. I have considerable experience with groundwater and surface water geochemistry of major ion and trace metal including numerical modeling of speciation and transport, and analytic methods. I have been with the USGS since 1994 and have been involved with projects that include bio-remediation and air-sparging of chlorinated hydrocarbons in groundwater; evaluating loads of dioxins, PCB, pesticides and other organic and inorganic compounds in the tributaries to Newark and Raritan Bays; mercury and arsenic in soils, rivers, and lakes; , pesticides in human wastes and waste water treatment effluent; and most recently, nutrient and sediment fluxes in Barnegat Bay, NJ.
groundwater quality industrial pollution pesticide and herbicide contamination pharmaceutical contamination surface water quality
Takacs, M.J., Long, D.T., Wilson, T.P., and Rezabek, D.H., 1988, The origin of near-surface saline ground waters: central Michigan Basin: in Proceedings of the First Annual Ground Water Geochemistry Conference: Water Well Jour. Pub. Co., p. 77-101.
Long, D.T., Rezabek D.H., Takacs, M.J. and Wilson, T.P., 1986, Geochemistry of ground waters, Bay County Michigan: Michigan Dept. Public Health and Michigan Dept. Natural Resources Rept. MDPH:ORD 38553, 268 p.