RT null T1 Globally Harmonized System of Classification and Labelling of Chemicals (GHS) A2 Garcì­a Couto, Rosa YR 2009 FD 2009 LK https://wedocs.unep.org/handle/20.500.11822/27830 UL https://wedocs.unep.org/handle/20.500.11822/27830 DS UN Environment Document Repository RD Sep 17, 2026