RT null T1 Health Care Without Harm Letter K1 mercury YR 2009 FD 2009-02 LK https://wedocs.unep.org/handle/20.500.11822/12557 UL https://wedocs.unep.org/handle/20.500.11822/12557 NO HCWH NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/PartneshipsAreas/PartneshipsLetters/HCWH.pdf DS UN Environment Document Repository RD Sep 19, 2026