RT null T1 Guidelines for Technologies to Reduce Mercury in Sodium Hydroxide A1 Chlorine Institute, K1 mercury K1 sodium YR 2000 FD 2000 LK https://wedocs.unep.org/handle/20.500.11822/13104 UL https://wedocs.unep.org/handle/20.500.11822/13104 NO Guideline For The Minimisation Of Mercury Emissions And Wastes From Mercury Chlor-Alkali Plants NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Chloralkali/WCC-publications/ENV%20PROT%2013%20Edition%202.pdf DS UN Environment Document Repository RD Sep 22, 2026