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Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. ...
en.wikipedia.org/wiki/Acid_mine_drainage - Similar
Acid mine drainage in a watershed can be a consequence of mining coal or mineral ... Green, areas having a low potential for acid mine drainage ( AMD ) from ...
energy.er.usgs.gov/health_environment/acid_mine_drain... - Similar
Acid mine drainage, sometimes referred to as AMD, results when the mineral pyrite (FeS2) is exposed to air and water, resulting in the formation of sulfuric ...
www.scrip.pa-conservation.org/aboutamd.htm - Similar
Acid mine drainage is one of mining's most serious threats to water. A mine draining acid can devastate rivers, streams, and aquatic life for hundreds, ...
www.earthworksaction.org/amd.cfm - Similar
Costs in 1996 of six chemicals to treat acid mine drainage in West Virginia. ... Acid mine drainage (AMD) forms when sulfide minerals in rocks are exposed ...
www.wvu.edu/~Agexten/landrec/chemtrt.htm - Similar
all need better tools to manage acid mine drainage at mine sites. ... Acid mine drainage prediction tests are increasingly relied upon to assess the ...
www.epa.gov/waste/nonhaz/industrial/special/mining/te... - Similar
Acid mine drainage is water contaminated when pyrite, an iron sulfide, is exposed and reacts with air and water to form ...
www.epa.gov/reg3wapd/nps/mining/mines.htm - Similar
Acid Mine Drainage (AMD) is currently the main pollutant of surface water in ... The rate and degree by which acid-mine drainage proceeds can be increased ...
www.savethewildup.org/blog/wp-content/uploads/2007/10... - Similar
Acid Mine Drainage Treatment For a brief explanation of AMD chemistry, click here. For more information on passive treatment click here. ...
www.facstaff.bucknell.edu/Kirby/AMDtrmt.html - Similar
Information about research and outline of different treatment technologies and their effectiveness. From West Virginia University.
wvwri.nrcce.wvu.edu/programs/adti/index.cfm - Similar
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