Field demonstrations of innovative subsurface remediation and characterization technologies : introduction / Mark L. Brusseau, John S. Gierke, and David A. Sabatini -- Surfactant selection criteria for enhanced subsurface remediation / David A. Sabatini, Jeffrey H. Harwell, and Robert C. Knox -- Enhanced recovery of organics using direct energy techniques / T.R. Jarosch and B.B. Looney -- Enhanced remediation demonstrations at Hill Air Force Base : introduction / Philip B. Bedient, Anthony W. Holder, Carl G. Enfield, and A. Lynn Wood -- Field demonstration studies of surfactant-enhanced solubilization and mobilization at Hill Air Force Base, Utah / Robert C. Knox, Bor Jier Shau, David A. Sabatini, and Jeffrey H. Harwell -- Demonstration of surfactant flooding of an alluvial aquifer contaminated with dense nonaqueous phase liquid / C.L. Brown, M. Delshad, V. Dwarakanath, R.E. Jackson, J.T. Londergan, H.W. Meinardus, D.C. McKinney, T. Oolman, G.A. Pope, and W.H. Wade -- In-situ solubilization by cosolvent and surfactant-cosolvent mixtures / Michael D. Annable, James W. Jawitz, Randall K. Sillan, and P. Suresh Rao -- Design and performance of a field cosolvent flooding test for nonaqueous phase liquid mobilization / Ronald W. Falta, Cindy M. Lee, Scott E. Brame, Eberhard Roeder, Lynn Wood, and Carl Enfield -- Field test of cyclodextrin for enhanced in-situ flushing of multiple-component immiscible organic liquid contamination : project overview and initial results / Mark L. Brusseau, John E. McCray, Gwynn R. Johnson, Xiaojiang Wang, A. Lynn Wood, and Carl Enfield -- Field test of cyclodextrin for enhanced in-situ flushing of multiple-component immiscible organic liquid contamination : comparison to water flushing / John E. McCray, Kenneth D. Bryan, R. Brent Cain, Gwynn R. Johnson, William J. Blanford, and Mark L. Brusseau -- Field test of air sparging coupled with soil vapor extraction / John S. Gierke, Christopher L. Wojick, and Neil J. Hutzler -- Performance assessment of in-well aeration for the remediation of an aquifer contaminated by a multicomponent immiscible liquid / William J. Blanford, E.J. Klingel, Gwynn R. Johnson, R. Brent Cain, Carl Enfield, and Mark L. Brusseau -- Groundwater remediation of chromium using zero-valent iron in a permeable reactive barrier / Robert W. Puls, Robert M. Powell, Cynthia J. Paul, and David Blowes -- Considerations for innovative remediation technology evaluation sampling plans / Michael J. Barcelona and David R. Jaglowski -- The partitioning tracer method for in-situ detection and quantification of immiscible liquids in the subsurface / Mark L. Brusseau, N.T. Nelson, and R. Brent Cain -- Investigation of partitioning tracers for determining coal tar saturation in soils / Nancy J. Hayden and Harold C. Linnemeyer -- A biotracer test for characterizing the in-situ biodegradation potential associated with subsurface systems / Mark L. Brusseau, Joseph J. Piatt, Jiann-Ming Wang, and Max Q. Hu -- A diffusive tracer-test method for investigating the influence of mass transfer processes on field-scale solute transport / Mark L. Brasseau, Q. Hu, N.T. Nelson, and R. Brent Cain -- Contaminant transport and fate in a source zone of a chlorinated-solvent contaminated Superfund site : overview and initial results of an advanced site characterization project / Mark L. Brusseau, J.W. Rohrer, T.M. Decker, N.T. Nelson, and W.R. Linderfelt.