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… Protocol targets three harmful metals: cadmium, lead and mercury. Parties are required to reduce their emissions for … as special filters or scrubbers for combustion sources or mercury-free processes. The 1998 Heavy Metals Protocol also … lower heavy metal emissions from other products, such as mercury in batteries, and proposes the introduction of …

… upon ratification, acceptance, approval or accession. Mercury (Hg) 1990; or an alternative year from 1985 to 1995 … for the roasting of copper, lead or zinc, or any gold and mercury ore treatment. 3  Installations for the production of … secondary installations, or for any primary production of mercury. 6  Installations for the smelting (refining, foundry …