RT null T1 Earthworks A2 Scott Cardiff, K1 mercury YR 2009 FD 2009-02 LK https://wedocs.unep.org/handle/20.500.11822/12506 UL https://wedocs.unep.org/handle/20.500.11822/12506 NO Earthworks NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/PartneshipsAreas/PartneshipsLetters/Earthworks.pdf DS UN Environment Document Repository RD Sep 19, 2026