| Summary: | This study deals with "instruments used to address mercury emissions to air", by which is meant all legislation, regulation and other measures intended to control or reduce anthropogenic, atmospheric mercury emissions. As the links are complex between actual inputs of mercury to society (consumption for intended use and mobilisation of mercury-impurities via industrial processes) and the final release sources, all types of measures addressing any phase in the life-cycle of mercury which may ultimately lead to atmospheric mercury emissions are included here. Due to its volatility, most forms of mercury released or discarded as waste - as vapour, as liquid elemental mercury, as compounds, as integrated in products, consumer waste or flue-gas cleaning residues - may lead to emissions to air
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