Ex. As the Office of Environmental Management (EM) fulfills its mission, waste and materials disposition plays a vital role in the cleanup of radioactive waste and the environmental legacy of nuclear weapons production and nuclear energy research.
http://energy.gov/em/services/waste-management/waste-and-mat...

Disposal of waste in a landfill involves burying the waste and this remains a common practice in most countries.
http://en.wikipedia.org/wiki/Waste_management