Dr. Hua is an expert in water treatment, fate and transport of chemical contaminants, inorganic and organic environmental chemistry, and groundwater and soil remediation. Three of her current research projects deal with contaminant detection and remediation. She has held temporary appointments with the Environmental Protection Agency and the National Aeronautics and Space Administration. Dr. Hua received a B.A. degree in biochemistry from the University of California, Berkeley, and M.S. and Ph.D. degrees in environmental science and engineering from the California Institute of Technology.