LM is responsible for long-term surveillance and maintenance of the Tuba City, Arizona, Disposal Site. LM is proposing the Secondary Source Term an…
Office of NEPA Policy and Compliance
April 20, 2026
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LM is responsible for long-term surveillance and maintenance of the Tuba City, Arizona, Disposal Site. LM is proposing the Secondary Source Term and Plume Characterization Drilling Project to conduct site characterization (i.e., obtain groundwater and geochemical data) and install groundwater monitoring wells in support of the site's revised Groundwater Compliance Action Plan.