oa Clean Air Journal = Tydskrif vir Skoon Lug - Emission accomplished : formal and informal mercury sources in South Africa : commentary

Volume 25, Issue 2
  • ISSN : 1017-1703



Mercury (Hg) is a naturally occurring element that is present in air, water and soil. It exists in three main forms namely elemental mercury, inorganic mercury compounds and organic mercury compounds (WHO, 2007). The atmosphere is the leading transport pathway of mercury emissions, while land and ocean processes maintain a central role in mercury redistribution among terrestrial, marine and freshwater ecosystems (Driscoll et al., 2013). The biogeochemical cycling of mercury is complex, comprising various transport and transformation progressions that define the fate of mercury and the health risks on ecosystem and humans (Liu et al., 2011).

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