RT null T1 Cleangold Magnetic Sluice Technology A1 Natural Resources Defense Council, A1 Global Mercury Partnership, K1 mercury PB Natural Resources Defense Council YR 2016 FD 2016-12 LK https://wedocs.unep.org/handle/20.500.11822/11607 UL https://wedocs.unep.org/handle/20.500.11822/11607 NO Cleangold’s technologies demonstrate how mercury-free alternatives can be applied to many different mining settings to extract gold as efficiently as possible NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Cleangold-Magnetic-Sluice-Technology.pdf DS UN Environment Document Repository RD Sep 20, 2026