Perspectives of Environmental Risk at the Equity Silver Mine

Aziz, Mike L. ; Ferguson, Keith D. ; Ferris, Glenda
Organization: Society for Mining, Metallurgy & Exploration
Pages: 9
Publication Date: Jan 1, 2000
The Equity Silver mine has been a severe producer of Acid Rock Drainage (ARD) since 1982. The mine was closed in 1994 and a compacted clay cover installed, but ARD continues to be produced. Three permanent employees manage the collection and treatment system at the site. The site still poses a significant environmental risk to the environment and downstream users and requires a high level of diligence. Various stakeholders' perspectives of the risk posed by Equity, and what constitutes acceptable risk, will be examined in this paper from a company operation staff, corporate environmental manager and downstream environmentalist perspective.
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