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 sites transferred to the Office of Legacy Management (LM) to ensure sustainable protection of human health and the environment. LM-20 also manages the maintenance and disposition of real and personal property including beneficial reuse plans. LM-20 also has responsibility for safety, quality assurance, environmental management systems, compliance with the National Environmental Policy Act, and oversees operation of the uranium leasing program and uranium calibration facilities.