RT null T1 European Commission K1 mercury YR 2009 FD 2009-04 LK https://wedocs.unep.org/handle/20.500.11822/12568 UL https://wedocs.unep.org/handle/20.500.11822/12568 NO European Commission NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/PartneshipsAreas/PartneshipsLetters/European%20Commission%20Letter%20RF.pdf DS UN Environment Document Repository RD Sep 16, 2026