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Leachate from landfills

I am trying to understand the effects of leachate from landfills and its effects on groundwater, and since I am in environmental health- its effects on the human health. Can anyone help explain these concepts to me? Also, does anyone know of any examples where leachate became a problem? Why is it important to study?

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To explain what a leachate is, one needs to know a bit about aqueous based chemistry. When mining operations take material from deep in the ground is brought up to the surface and then erosion processes start to act on this material. It is usually at a low oxidation state and is easily oxidized to more soluble ions by the organic acids in the dead plants on the ground (humic ...

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This solution is all about leachate and its effects.

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