Preface Part I Characterization of Natural Organic Matter (NOM) Chapter 1 Dissolved Organic Matter in the Aquatic Environment Chapter 2 Detection of a DNA-like Material in Suwannee River Fulvic Acid Chapter 3 Multi-dimensional Fluorescence Spectroscopy and PARAFAC for Dissolved Organic Matter Characterization Chapter 4 Studying Organic Matter and Water in Soils by NMR: Cautions and Insights Part II Interactions Between NOM and Contaminations Chapter 5 Model Prediction of the Speciation, Toxicity and Bioavailability of Trace Metals in the Presence of Natural Organic Matter (NOM) Chapter 6 An Investigation of Lead Distribution and Lead Complexed to Soil-Derived Humic Acids From a Shooting Range Chapter 7 Effects of Condensed Organic Matter on Sorption of Organic Contaminants in Soils and Sediments Chapter 8 Sorption Properties of Organic Compounds by Kerogen Chapter 9 Sorption and Sequestration of Organic Contaminants in Soils and Sediments Chapter 10 Sorptive Behavior of Plant Cuticular Materials Part III Environmental Impacts of NOM Chapter 11 Characterization of Phosphorus Associated With Natural Organic Matter Chapter 12 Sorption of Human and Veterinary Antibiotics to Soils Chapter 13 Role of Soils and Soil Management for Mitigating Greenhouse Effects