Landfill site
usually a large hole in the ground, such as an old quarry or mine. Can also be an area where rubbish is piled above ground and covered, creating a hill, which will be covered in grass, a process known as landraising.
HAZARDOUS WASTES In order to provide for consumable products in today's society, industries often produce hazardous and dangerous byproducts which cannot be used and must be disposed of by being dumped in landfill sites.
Closure: The procedure a landfill operator must follow when a landfill reaches its legal capacity for solid waste: ceasing acceptance of solid waste and placing a cap on the landfill site.
Landfill is the disposal of waste by tipping it on the land. Nowadays waste can only be tipped on licensed landfill sites that protect against contamination of land and water.
Leachates are liquids that have seeped through waste sites.
Biogas
a mixture of methane (CH4) and carbon dioxide (CO2), produced by the anaerobic digestion of sludges or organic material in landfill sites; can be used to generate heat or power ...
identical to the main constituent of natural gas, and can be used as a fuel for heat and/or electricity generation. Biogas is effectively the same as landfill gas, which is produced by the anaerobic decomposition of organic material in landfill sites.
Non-Hazardous Solid Waste Waste, regardless of origin, that might normally be disposed of in a non-secure manner, such as at a sanitary landfill site, if not incinerated.
 See also: Air, Waste, Water, Gas, Landfill
  
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