RT null T1 Ministry of Environment Germany K1 mercury YR 2009 FD 2009-04 LK https://wedocs.unep.org/handle/20.500.11822/12565 UL https://wedocs.unep.org/handle/20.500.11822/12565 NO Ministry of Environment Germany NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/PartneshipsAreas/PartneshipsLetters/Germany.pdf DS UN Environment Document Repository RD Sep 19, 2026