chapter 1 Hydrological and Geochemical Processes Controlling the Fate and Transport of Contaminants in Fractured Bedrock -- chapter 2 Mineral Controls in Colloid-Mediated Transport of Metals in Soil Environments -- chapter 3 A Web-Based Three-Dimensional Simulation System for Solute Transport in Soil -- chapter 4 Effect of Structural Charges on Proton Adsorption at Clay Surfaces -- chapter 5 Molecular Modeling of Fulvic and Humic Acids Charging Effects and Interactions with Al3+, Benzene, and Pyridine and Pyridine. -- chapter 6 Silicon-Organic Interactions in the Environment and in Organisms -- chapter 7 Formation of Biogenic Manganese Oxides and Their Influence on the Scavenging of Toxic Trace Elements -- chapter 8 Zinc Speciation in Contaminated Soils Combining Direct and Indirect Characterization Methods -- chapter 9 Reduction/Cation Exchange Model of the Coincident Release of Manganese and Trace Metals following Soil Reduction -- chapter 10 Behavior of Heavy Metals in Soil: Effect of Dissolved Organic Matter -- chapter 11 Analytical Techniques for Characterizing Complex Mineral Assemblages: Mobile Soil and Groundwater Colloids Colloids. -- chapter 12 Kinetic Modeling of Sulfate Transport in a Forest Soil -- chapter 13 Solubility of Fluoride in Semi-Arid Environments.