CDM has supported U.S. Department of Energy (DOE) environmental management programs since 1987. CDM's scientists, engineers, and other environmental professionals have worked closely with DOE and their operation contractors on more than 1,000 separate assignments, to provide environmental restoration, compliance, and waste management support to DOE U.S. weapons complex facilities. In supporting the environmental needs of these facilities, CDM applies expert understanding of environmental regulations, DOE orders, and management of hazardous, radioactive, and mixed waste.