Office of Legacy Management

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The Office of Site Operations (OSO) is responsible for implementing long-term surveillance and maintenance (LTS&M) at nearly 100 sites transferred to the Office of Legacy Management (LM) to ensure sustainable protection of human health and the environment. LM is also preparing for the transition of more than 10 other sites over the next three years at which LM will also conduct LTS&M. The director of OSO also has responsibility for LM’s Safety and Health, Quality Assurance, and Environmental Management Systems programs, as well as the Office’s international activities and compliance with the National Environmental Policy Act. In addition, the OSO director is responsible for LM’s interagency work on Defense-Related Uranium Mines and manages the Uranium Leasing Program in western Colorado.