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Problems with Management and Remediation of Spoil Heaps, Stability…
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Toxic Leachate
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Before planting, you must add a thicc layer of soil so the roots can't reach the spoil.
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Lack of nutrients
Adding topsoil, sewage sludge and fertilisers improves nutrient levels
Topography
Landscaping can make spoil heaps more usable and attractive, but it may require more land
Flammable wastes
Spoil from coal contains hydrocarbons which are flammable. Layers of fine-grain material reduce airflow, making combustion less likely
The main problem with spoil heaps is the quantity Sources of spoil include mining, ash from incinerators and slags from blast furnaces and FCoT
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