RT null T1 Code of Practice Control of Worker Exposure to Mercury in the Chlor-Alkali Industry: Health 2 A1 Euro Chlor, A1 Global Mercury Partnership, YR 2009 FD 2009 LK https://wedocs.unep.org/handle/20.500.11822/13103 UL https://wedocs.unep.org/handle/20.500.11822/13103 NO Determination of Mercury in Liquids NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Chloralkali/WCC-publications/Analytical%207%20Edition%203.pdf DS UN Environment Document Repository RD Sep 22, 2026