The research described in this document is the result of the efforts of many individuals and organizations. The following are brief biographical sketches of principal investigators for each contributing organization, listed in alphabetical order.
 
 
 

Michael D. Annable

Dr. Annable is Associate Professor of Environmental Engineering at the University of Florida, Gainesville, Florida. He received his Ph.D. from Michigan State University working on soil vapor extraction of multi-component non-aqueous phase liquids. His current interests are in physical-chemical processes related to field scale application of innovative technologies for subsurface remediation. He is currently involved in a number of interdisciplinary research and education efforts in Hydrologic Sciences at the University of Florida. He is author or co-author of more than 35 journal articles and technical reports and various conference proceedings.
 

Philip B. Bedient

Dr. Bedient is a Professor and Chair of Environmental Science and Engineering at Rice University. He teaches and performs research in surface and ground water hydrology and contaminant transport modeling. Dr. Bedient held the Shell Chair in Environmental Science from 1988 to 1993. He has has written over 100 articles in journals and conference proceedings, and is lead author on three textbooks in the hydrology field including a 1994 textbook titled "Ground Water Contamination: Transport and Remediation" (Prentice Hall). He was also involved as one of the team members for the National Research Council's text on In Situ Bioremediation (1993).
 

Mark L. Brusseau

Dr. Brusseau is a Professor at the University of Arizona, holding joint appointments in the Department of Soil, Water and Environmental Science, and Department of Hydrology and Water Resources. His research is focused on developing a fundamental understanding of the factors and processes influencing the transport and fate of chemicals in the subsurface. This is accomplished through integrated theoretically and experimentally based investigations, and the development and use of mechanistically accurate mathematical models. Dr. Brusseau has also been active in the development and evaluation of innovative subsurface remediation and characterization technologies, and the evaluation of risks posed to human health by contamination. He has approximately 90 peer-reviewed journal articles and book chapters. He is an associate editor for the Journal of Contaminant Hydrology.
 

Paul DeVane
 

Carl G. Enfield

Dr. Enfield is a Senior Research Environmental Scientist with the U.S. Environmental Protection Agency's National Risk Management Research Laboratory. His current research interests include developing a fundamental understanding of chemical transport and transformation in subsurface environments, and the characterization of the contaminant distributions within subsurface environments. These research interests are directed toward the remediation and reclamation of contaminated soils, sediments and aquifers. Dr. Enfield has authored or co-authored more than 100 publications including 5 books. Dr. Enfield was the principal architect of the research project described in this report.
 

Ronald Falta

Dr. Falta is a Professor in the Departments of Geological Sciences and Environmental Engineering and Science at Clemson University. He received his BS and MS degrees in Civil Engineering from Auburn University, and his Ph.D. degree in Mineral Engineering from the University of California, Berkeley. His current research interests are in the area of subsurface remediation including both field testing and numerical modeling of in situ cleanup methods. He has conducted extensive research on the use of alcohols to facilitate the mobilization of dense non-aqueous phase liquids (DNAPL) in porous media, and the application of this research for the remediation of contaminant source areas.

John S. Gierke

Dr. Gierke received B.S. and M.S. degrees in civil engineering and a Ph.D. in environmental engineering from Michigan Technological University. He is an Associate Professor in the Department of Geological Engineering and Sciences at Michigan Technological University. Dr. Gierke conducts research on organic pollutant transport in soils and in-situ remediation of volatile organic contaminants using soil vapor extraction and air sparging. He is a registered Professional Engineer in the State of Michigan.
 

Martin L. Gildea

Mr. Gildea is Staff Environmental Engineer with Applied Research Associates, Inc., New England Division. He serves as field coordinator for a variety of projects dealing with contaminant characterization and remediation. He has contributed to the research and development of new CPT instrumentation and delivery technology including enhancements of a down-hole thermal desorption probe for volatile organic analysis, in situ groundwater purge device, and sonic CPT.
 

Robert Knox

Dr. Knox is a Samuel Roberts Noble Presidential Professor of Civil Engineering and Environmental Science at the University of Oklahoma. He is also a member of the Institute for Applied Surfactant Research (IASR) at OU. His research interests include impacts of oilfield brines, subsurface transport and fate processes, development of innovative subsurface remediation technologies and ground water modeling. He has authored or co-edited 7 books and has authored or co-authored 27 refereed journal publications/book chapters and 26 technical reports. Dr. Knox is a licensed Professional Engineer and a Principal and co-founder of Surbec-ART L.L.C.
 

P. Suresh Chandra Rao

Dr. Rao is currently the Lee A. Rieth Distinguished Professor of Environmental Engineering at Purdue University. During the course of this research project described in this report, Dr. Rao served as Graduate Research Professor and Director of the Center for Natural Resources at the University of Florida. His recent research has involved development of innovative technologies for characterization of hazardous waste sites and for enhanced remediation of contaminated soils and aquifers. His research has been documented in over 150 refereed publications, 30 book chapters, and various technical reports and conference proceedings. Dr. Rao was one of the founding Editors-in-Chief for the Journal of Contaminant Hydrology, and has served as an Associate Editor for Environmental Toxicology and Chemistry, and Water Resources Research.
 

David A. Sabatini

Dr. Sabatini is an Associate Professor in the School of Civil Engineering and Environmental Science at the University of Oklahoma. His research interests include contaminant transport and fate processes, and advanced processes for contaminant extraction, ground water remediation and water reclamation. Dr. Sabatini recently served as a Senior Fulbright Scholar in the Applied Hydrology program at the Universitaet Tuebingen.
 

Lloyd D. Stewart

Dr. Stewart is Vice President of PRAXIS Environmental Technologies, Inc., and serves as the company's principal engineer. He is co-inventor of an in-situ steam injection remediation process. Dr. Stewart's work has focused on process design, laboratory and field testing, and modeling of fluid and heat flow. He has served as the Pincipal Investigator on several innovative remediation projects and is an author of several publications on steam injection and vacuum extraction. He is a registered Professional Engineer in the State of California.
 

A. Lynn Wood

Dr. Wood is a Soil Scientist in the Abiotic Processes and Applications Branch of the U.S. Environmental Protection Agency (EPA), National Risk Management Research Laboratory. His research focuses on development and field testing of innovative source zone delineation and remediation technologies. He is Co-Chairman of the Remediation Technologies Development Forum In Situ Flushing Action Team. He is author or coauthor of over 25 technical publications or reports.