chapter 1 Chapter Metal Research Trends in the Environmental Field -- chapter 2 Chapter Toxicity and Sources of Pb, Cd, Hg, Cr, As, and Radionuclides in the Environment -- chapter 3 Chapter Environmental Behavior and Effects of Engineered Metal and Metal Oxide Nanoparticles -- chapter 4 Chapter Heavy Metal Removal with Exopolysaccharide-Producing Cyanobacteria -- chapter 5 Chapter Environmental Geochemistry of High-Arsenic Aquifer Systems -- chapter 6 Chapter Nanotechnology Application in Metal Ion Adsorption -- chapter 7 Chapter Biosorption of Metals onto Granular Sludge -- chapter 8 Chapter Arsenic Pollution: Occurrence, Distribution, and Technologies -- chapter 9 Chapter Treatment of Metal-Bearing Ef uents: Removal and Recovery -- chapter 10 Management and Treatment of Acid Pickling Wastes Containing Heavy Metals -- chapter 11 Chapter Treatment and Management of Metal Finishing Industry Wastes -- chapter 12 Chapter Recycling and Disposal of Hazardous Solid Wastes Containing Heavy Metals and Other Toxic Substances -- chapter 13 Chapter Management and Removal of Heavy Metals from Contaminated Soil -- chapter 14 Chapter Remediation of Metal Finishing Brown eld Sites -- chapter 15 Chapter Control, Management, and Treatment of Metal Emissions from Motor Vehicles.