RT null T1 Permanent storage of hazardous wastes in underground mines A1 Global Mercury Partnership, A2 Hagemann, Sven YR 2011 FD 2011 LK https://wedocs.unep.org/handle/20.500.11822/11686 UL https://wedocs.unep.org/handle/20.500.11822/11686 NO Technical Presentations: Underground Storage NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Asia%20Hg%20Sto%20ExeCom/08%20Hagemann%20Permanent%20storage%202011-07-23.pptx DS UN Environment Document Repository RD Sep 17, 2026