Metal Research Trends in the Environmental Field. Toxicity and Sources of Pb, Cd, Hg, Cr, As, and Radionuclides in the Environment. Environmental Behavior and Effects of Engineered Metal and Metal Oxide Nanoparticles. Heavy Metal Removal with Exopolysaccharide-Producing Cyanobacteria. Environmental Geochemistry of High-Arsenic Aquifer Systems. Nanotechnology Application in Metal Ion Adsorption. Biosorption of Metals onto Granular Sludge. Arsenic Pollution: Occurrence, Distribution, and Technologies. Treatment of Metal-Bearing Effluents: Removal and Recovery. Management and Treatment of Acid Pickling Wastes Containing Heavy Metals. Treatment and Management of Metal Finishing Industry Wastes. Recycling and Disposal of Hazardous Solid Wastes Containing Heavy Metals and Other Toxic Substances. Management and Removal of Heavy Metals from Contaminated Soil. Remediation of Metal Finishing Brownfi eld Sites. Control, Management, and Treatment of Metal Emissons from Motor Vehicles. Index.