chapter 1 Soil Formation and Composition -- chapter 2 Soil Structure -- chapter 3 Flow of Water in Soils -- chapter 4 Mass Transport and Transfer in Soils -- chapter 5 Nonaqueous-Phase Liquids in Soils -- chapter 6 Site Characterization and Contaminant Release Mechanisms -- chapter 7 Technical Basis for Treatment Technique Selection -- chapter 8 Principles of Site and Geomaterial Treatment Techniques -- chapter 9 Containment System Implementation -- chapter 10 Con?gurations of Containment Systems -- chapter 11 Elements of Containment System Design -- chapter 12 Barrier Composition and Performance.