In Oil, Gas and chemical Industries, solid waste has become more complex and consequence of improper disposal techniques more severe. To achieve compilance with environmental pollution criteria the following steps shall be considered: 1) An effective waste program to conduct a solids survey to find problem of waste quantities, characteristics, sources, cost and disposal options. 2) Establish ways and means for segregation, waste reduction and resource recovery. This book gives general description and procedure of solid waste disposal and covers some aspects such as:Types, hazard, nonhazard, siting, sources, segregation, reduction, resource recovery, treatment sludge concentration and sampling equipment. It provides fundamental of the information that is needed for design and operation of solid waste system.