I. Towards a General Understanding of Perchlorate -- 1 The Problem and Perversity of Perchlorate -- 2 The Chemistry of Perchloric Acid and Perchlorate Salts: Realizing the Benefits -- 3 Toxicology of Perchlorate -- 4 Regulating Perchlorate in Drinking Water -- II. Quantitation of Perchlorate in the Analysis of Water -- 5 Recent Developments in the Analysis of Perchlorate Using Ion Chromatography -- 6 Analysis of Trace Level Perchlorate in Drinking Water and Ground Water by Electrospray Mass Spectrometry -- 7 Perchlorate Analysis with the AS16 Separation Column -- 8 Sensitivity and Selectivity Enhancement in Perchlorate Anion Quantitation Using Complexation-Electrospray Ionization-Mass Spectrometry -- III. Treatment and Remediation Strategies and Technologies -- 9 Reduction of Perchlorate Ion by Titanous Ions in Ethanolic Solution -- 10 Investigation of Perchlorate Removal in Drinking Water Sources by Chemical Methods -- 11 Modeling the Formation of Ion Pairs in Ion Exchange Resins and Effects on Perchlorate Treatment Chemistry -- 12 The Treatability of Perchlorate in Groundwater Using Ion-Exchange Technology -- 13 The Removal of Perchlorate from Waters Using Ion-Exchange Resins -- 14 Removal and Destruction of Perchlorate and Other Anions from Ground Water Using the ISEP+TM System -- 15 The Design of Selective Resins for the Removal of Pertechnetate and Perchlorate from Groundwater -- 16 Efficient Treatment of Perchlorate (ClO4?)-Contaminated Groundwater with Bifunctional Anion Exchange Resins -- 17 Long-Term Release of Perchlorate as a Potential Source of Groundwater Contamination -- 18 Evaluation of Biological Reactors to Degrade Perchlorate to Levels Suitable for Drinking Water -- 19 An Autotrophic System for the Bioremediation of Perchlorate from Groundwater -- 20 Risk Assessment of Perchlorate in Biota, Soil, and Groundwater at Agricultural Site in Southern California -- 21 Influences on Phytoremediation of Perchlorate-Contaminated Water -- 22 In Situ Bioremediation of Perchlorate in Groundwater -- 23 Treatment of Groundwater Containing Perchlorate Using Biological Fluidized Bed Reactors with GAC or Sand Media -- 24 The Diverse Microbiology of (Per)chlorate Reduction -- 25 Isolation and Characterization of Two Novel Per(chlorate)-Reducing Bacteria from Swine Waste Lagoons -- Contributors -- Common abbreviations and initials.