Rocky Mountain Arsenal (RMA) occupies approximately 27 square miles of prairie in southern Adams County, Colorado. It is located 10 miles north of the Denver metropolitan area and east of Commerce City, Colorado. RMA was established in 1942 as a chemical weapons manufacturing site. Most of the Arsenal was placed on the National Priorities List (NPL) in 1987 with the Basin F Area added in 1989. As such, RMA is subject to compliance with CERCLA (Comprehensive Environmental Response, Compensation and Liability Act, also know as Superfund). The Arsenal's only current mission is environmental cleanup and the transfer of the land to Department of Interior upon completion of the cleanup. In 1992, Congress passed legislation designating RMA as a National Wildlife Refuge upon completion of the environmental cleanup. The goal of everyone associated with the program is to transition the Arsenal into the nation's premier urban National Wildlife Refuge.
Rocky Mountain Arsenal's major subordinate command is the Base Realignment and Closure Office (BRACO) in Washington, DC. The major command for the Arsenal is the Army Materiel Command (AMC) in Alexandria, VA.
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