Basic Concepts Geology, Soils, and Geomorphology Ground-Water and Vadose Zone Hydrology Soil and Ground-Water Geochemistry and Microbiology Sources and Behavior of Subsurface Contaminants Assessment and Monitoring Planning Field Investigations Geophysical and Remote Sensing Techniques Characterization of Vadose Zone and Ground-Water Hydrology Soil and Ground-Water Tracers Field Sampling and Monitoring of Contaminants Use of Models and Computers in Contaminant Investigations Prevention and Remediation Prevention and Minimization of Contamination Remediation Planning Remediation of Contaminated Soils Remediation of Contaminated Ground Water Appendices Summary Information on Major Subsurface Characterization and Monitoring Techniques and Index to ASTM Methods Manufacturers and Distributors of Field Characterization and Monitoring Equipment Tables and Figures for Estimation of Aquifer Parameters Worksheets and Checklists for Ground-Water and Wellhead Protection^ LPC-Based Geoenvironmental Software Master List of Figures and Tables Indexed Bibliographies of Major References.