Artisanal and Small-Scale Gold Mining Without Mercury - US EPADec 5, 2016 . In many countries, elemental mercury is used in artisanal and small-scale gold mining. Mercury is mixed with gold-containing materials, forming.small scale gold mine,Artisanal and Small Scale Gold Mining - Zero Mercury Working GroupSep 23, 2011 . Artisanal and small scale gold mining (ASGM) is a complex global development issue. ASGM uses substantial amounts of mercury in mineral.
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