Nanoscale materials: definition and properties /Kathleen Sellers --Overview of manufacturing processes /Julie Chen, Kathleen Sellers --Developing environmental regulations pertinent to nanotechnology /Lynn L. Bergeson --Analyses of nanoparticles in the environment /Marilyn Hoyt --Environmental fate and transport /Chris E. Mackay, Kim M. Henry --Treatment of nanoparticles in wastewater /Kim M. Henry, Kathleen Sellers --Thepotential ecological hazard of nanomaterials /Stephen R. Clough --Toxicology and risk assessment /Chris E. Mackay, Jane Hamblen --Nanoparticle use in pollution control /Kathleen Sellers --Balancing the risks and rewards /Kathleen Sellers.