RT null T1 World Chlorine Council Report to UNEP Global Mercury Partnership – Area on Mercury cell chlor-alkali production - Data 2019 A1 World Chlorine Council, K1 mercury YR 2020 FD 2020 LK https://wedocs.unep.org/handle/20.500.11822/32241 UL https://wedocs.unep.org/handle/20.500.11822/32241 NO https://web.unep.org/globalmercurypartnership DS UN Environment Document Repository RD Sep 20, 2026