Abstract
Development of mineral resources in the Asian/Pacific region are a particular concern due to the generation of solid waste and disposal of this waste in a wet and humid environment. This paper addresses the major geochemical issues associated with mine waste disposal under these conditions with particular emphasis on acid mine drainage and acid generating waste materials. A strategy is presented for classifying the acid forming potential of mine waste based on the acid-base account and the net acid generation (NAG) confirmation test. The need for a correct and adequate sampling strategy is highlighted since sample selection is a crucial step in the identification of acid generating waste.
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