Landfill means a disposal facility or part of a facility where hazardous waste is placed in or on land and which is not a pile, a land treatment facility, a surface impoundment, an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action management unit.
Landfill Gas means any gas derived through any biological process from the decomposition of waste buried within a waste disposal site.
Sanitary landfill means a disposal facility for solid waste so located, designed and operated that it
Properly closed sanitary landfill facility means a sanitary
Landfill cell means a discrete volume of a hazardous waste landfill which uses a liner to provide isolation of wastes from adjacent cells or wastes. Examples of landfill cells are trenches and pits.