The contractor shall provide essential technical research, engineering, development, and operational services to nnsa/nfo and dnn in the technical domains of environment, safety, and health; national security; and environmental restoration and waste management. Specific research and development areas include, but are not limited to: nuclear nonproliferation; radiation safety; chemistry; hydrology; geology; paleohydrology; meteorology and climatology; atmospheric sciences; remote sensing and geographic information systems; radiological sciences; radioactive and non-radioactive transport mechanisms; risk assessment; environmental monitoring, compliance, and remediation; archaeology; cultural resources and historic preservation; science and environmental education; and community and stakeholder outreach.