Land Pollution: The Various Kinds

1. Rubbish or non-decomposable waste: either combusible (such as paper, wood and cloth) or non-combusible (such as metal. glass and ceramic).
2. Large wastes: demolition and construction debris, trees and dead animals.
3. Sewage treatment solids: material retained on sewage treatment screens, settled solids and biomass sludge.
4. Industrial wastes: such materials such as chemicals, paint and sand.
5. Mining wastes: slag heaps and coal refuse piles.
6. Agricultural wastes: farm animal manure and farm residues.