This work details the economic, regulatory and environmental protection issues related to biosolids management and use. It evaluates current treatment technologies and management strategies for the beneficial utilization of municipal wastewater residuals. Cost information regarding the relative economic merits of special reuse and disposal methods, is presented.Biosolids characterization, treatment and use - an overview; federal regulatory requirements; conditioning and dewatering; digestion; composting; heat drying and other theramal processes; alkaline stabilization; land application.