Get Abandoned Mine Site Characterization and Cleanup Handbook PDF

By Nick Cato, Shahid Mahmud

ISBN-10: 075673035X

ISBN-13: 9780756730352

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Extra resources for Abandoned Mine Site Characterization and Cleanup Handbook

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The process of making these decisions requires considerable input and can result in a very dynamic and sometimes contentious debate and dialogue between a variety of resource users and stakeholders. The values and choices of each of these stakeholders is a very important and necessary part of the goal-setting and decisionmaking process as determinations regarding the merits, cost-effectiveness and implementing of studies and remediation are made. 3 Getting it Done An excellent publication is available to support goal-setting efforts, entitled “Watershed Partnerships: A Strategic Guide for Local Conservation Efforts in the West,” prepared for the Western Governors Association, 1997.

Surface area is inversely proportional to particle size. Very coarse grain material, as is found in waste rock dumps, exposes less surface area but may allow air and water to penetrate deeper into the unit, thereby exposing more material to oxidation and ultimately producing more acid. Air circulation in coarse material is aided by wind, changes in barometric pressure, and possibly Chapter 3: En vironmen tal Impacts from Mining 3-3 convective gas flow caused by heat generated by the oxidation reaction.

Lead and mercury) associated with discharges from mining operations may be found at elevated levels in sediments, while not being detected in the water column or being detected at much lower concentrations. Sediment contamination may affect human health through the consumption of fish and other biota that bioaccumulate toxic pollutants. Elevated levels of toxic pollutants in sediments also can have direct acute and chronic impacts on macroinvertebrates and other benthic organisms. Finally, sediment contamination provides a long-term source of pollutants through potential re-dissolution in the water column.

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Abandoned Mine Site Characterization and Cleanup Handbook by Nick Cato, Shahid Mahmud

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