amalgamation method, mercury export and import, Hydrogeology, gold mining, mercury production, Environment, Atmospheric Protection/Air Quality Control/Air Pollution, Mercury, Pollution, Bans
Hazardous Waste - analysis, Environmental Monitoring, Water Pollution, Chemical - prevention & control, Mercury - analysis, Waste Disposal, Fluid - methods, Mercury - isolation & purification, Dental Amalgam - chemistry, Water Pollutants, Chemical - analysis, Waste Disposal, Fluid - instrumentation, Dental Waste - analysis