The MacArthur River Mine changes its waste rock classification system, revealing the proportion of potentially acid forming rock in the waste rock dump to be 89% rather than less than 25% previously estimated.
The main risk associated with such high rates of such rock is acid mine drainage, which can seep into groundwater and surface water systems over millennia.
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Authorised by David Morris, Environmental Defenders Office Ltd, Suite 8.02 Level 8, 6 O’Connell St, Sydney NSW 2000 • ABN: 72 002 880 864
Postal Address:
PO Box R1105 Royal Exchange NSW 1225
EDO recognises the traditional owners and custodians of the land, seas and rivers of Australia. We pay our respects to Aboriginal and Torres Strait Islander elders past and present, and aspire to learn from traditional knowledge and customs so that, together, we can protect our environment and cultural heritage through law.
