Recent Projects/Publication Hayden, N.J., J. Diebold, C. Farrell, R. Stacey, and J. Laible. 2006. Characterization and removal of DNAPL from sand and sand/clay layered media. J. of Contaminant Hydrology 86:53-71. Rossman, A.J., N.J. Hayden, and D.M. Rizzo. 2006. Low temperature soil heating using renewable energy. J. of Environ. Eng. 132 (5): 537. Porter, A.J., A.W. Sadek, and N.J. Hayden. 2006. Fuzzy GIS for Phytoremediation Plant Selection. J. of Environ. Eng. 132 (1): 120-128. Hayden, N.J., M. Neumann, D.M. Rizzo, M. Dewoolkar, A. Sadek. 2006. Integrating Catamount community service-learning projects within civil and environmental engineering programs at the University of Vermont. Proceedings of the Northeast Region American Society of Engineering Educators (ASEE) Conference, WPI, Worcester, MA. Li, Z., D. Rizzo, N.J. Hayden, and L. Stevens. 2006. Using geostatistics and artificial neural networks to determine the location of a contaminant source. Proceedings of the ASCE GeoCongress: Geotechnical Engineering in the Information Technology Age. Atlanta, Georgia. National Research Council. (Committee Member) 2005. Contaminants in the Subsurface: Source Zone Assessment and Remediation. The National Academies Press. Washington, D.C. Matmon, D., and N.J. Hayden. 2003. Pore space analysis of NAPL distribution in sand-clay media. Advances in Water Resources 26(7): 773-785. Whitney, D., A.J. Rossman, N.J.Hayden. 2003. Evaluating the efficiency of a subsurface flow wetland in Akumal, Mexico. J. Ecological Engineering 20:105-111. Hayden, N.J., M.C. Brooks, M.D. Annable, H.Zhou. 2001. Alcohol recovery from alcohol/chlorinated solvent mixtures using activated carbon. J. Environmental Engineering 127:1116-1123. Porter, A.J. and Hayden, N.J. 2002. Nonylphenol in the Environment: A Critical Review.