Associate Professor of Environmental Science and Geology
Office: 232-F Martin Hall
Telephone: (256) 782-5966
Fax Number: (256) 782-5336
Physical and Earth Sciences
Jacksonville State University
Jacksonville, AL 36265
Ph.D. Environmental Engineering, University of Western Australia, 1998
M.S. Environmental Quality, University of Alaska Anchorage, 1990
M.S. Engineering Science, Washington State University, 1981
M.S. Geology, West Virginia University, 1977
B.A. Earth Science, Millersville State College, PA, 1974
Registered Professional Geologist, State of Alabama, 2006
Groundwater hydrology, soil contamination, mercury contamination
Heath, J.C., Abdelmageed, Y., Nichols, A.C., and Steffy, D.A., (accepted). The effects of chronic mercuric ingestion in female Spraque Dawley rats on fertility and reproduction. Food and Chemical Toxicology.
Steffy, David A., and Rayburn, J., 2008. Remediation of LNAPL-Contaminated Sand by Using Humic Acid as a Surfactant. Alabama Academy of Science Journal (v 79, no. 1), January, 23-35.
Kohute, C.R., Nichols, A.C., Steffy, D.A., and Meade, M.E., 2006. Mobilization of mercury from contaminated soil into an aquatic food chain. Alabama Academy of Science Journal (v 77, no. 3-4), July/October, 160-167.
Steffy, D.A., Johnston, C.D., and Barry, D.A., 1998, Numerical simulation and long-column tests of LNAPL displacement and trapping by a fluctuating water table, Journal of Soil Contamination, 7, 325-356.
Steffy, D.A., Barry, D.A., and Johnston, C.D., 1997, Influence of antecedent moisture content on residual LNAPL Saturation, Journal of Soil Contamination, 6, 113-147.
Steffy, D.A., Barry, D.A., and Johnston, C.D., 1997, Improved scaling technique for two-phase pressure-saturation relationships, Journal of Contaminant Hydrology, 28, 207-222.
Consistency is the lack of imagination.