RT null T1 Mercury pollution abatement project - zero mercury direct smeelting project K1 mercury YR 2010 FD 2010 LK https://wedocs.unep.org/handle/20.500.11822/12820 UL https://wedocs.unep.org/handle/20.500.11822/12820 NO Mercury pollution abatement project - zero mercury direct smeelting project NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/ASGM/Presentations_Forum/Day%201/Panel%201/Abatement_project.pdf DS UN Environment Document Repository RD Sep 19, 2026