Key:landfill:waste

Describes the type of waste stored at a landfill.

Values

Value	Description	Count
ash	Fly ash, flue ash, coal combustion residuals (CCR), residuals from waste combustion, or similar inert waste
compost	Organic matter that can be decomposed by microorganisms, often re-used as fertilizer
construction_waste	Construction rubble, any debris generated during the construction, renovation and demolition of buildings, roads, and bridges (according to EPA)
hazardous_waste	Hazardous, toxic, corrosive and other materials like batteries, PCBs, paints and solvents, motor oil, aerosols, waste containing mercury, etc. Not including nuclear waste.
household	Household waste, not including hazardous and nuclear waste
industry_waste	Any material that is rendered useless during a manufacturing process, e.g. in factories, mills, and mining operations. Types might include dirt and gravel, masonry and concrete, scrap metal, oil, solvents, chemicals, scrap lumber. Possible overlap with hazardous waste, depending on legislation.
nuclear	Nuclear waste
red_mud	Bauxite residue from aluminum / aluminium production

For rock and sediment that was dumped after being extracted from a quarry or riverbed, consider using man_made=spoil_heap instead of landuse=landfill.