Hazardous Waste Management theme is a component of Encyclopedia of Environmental and Ecological Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. Hazardous waste definitions differ from one country to another. A generic definition might center on wastes or combinations of wastes that pose a substantial present or potential hazard to humans or the environment, in part because they are not readily degradable, persistent in the environment and are deleterious to human health or natural resources. Most hazardous wastes are produced in the manufacturing of products for domestic consumption or further industrial application. The Theme on Hazardous Waste Management with contributions from distinguished experts in the field, discusses ecological risk, hazardous waste issues and management. This volume is aimed at the following five major target audiences: University and College students Educators, Professional practitioners, Research personnel and Policy analysts, managers, and decision makers and NGOs.