The issue of on-going contamination legacies associated with mine sites is recognised as a major issue worldwide.Regulatory guidance relating to urban land and groundwater contamination in many developed countries imposes stringent requirements for contaminants that can be very difficult to meet for many mine sites due to their scale. For example, acid and metaliferous drainage (amd) can be a significant environmental management challenge; with volumes of potentially acid generating waste spoil and tailings often being so large that meeting objectives specified in policies can be impractical and/or cost prohibitive.
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