RT null T1 Ministry of Environment Burkina Faso K1 mercury YR 2010 FD 2010-04 LK https://wedocs.unep.org/handle/20.500.11822/12933 UL https://wedocs.unep.org/handle/20.500.11822/12933 NO Ministry of Environment Burkina Faso NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Documents/PartneshipsAreas/PartneshipsLetters/Burkina%20Faso.pdf DS UN Environment Document Repository RD Sep 18, 2026