Description
Due to myriad of factors including but not limited to anthropogenic activities and partially functioning wastewater treatment works, South African water resources are polluted with both legacy contaminants and contaminants of emerging concern. Determining the human health risk associated with some of the CECs has garnered research attention in the last 5-10 years. Multi analyte methods, rapid screening instruments and combined risk assessment tools (involving various trophic levels) have been used to estimate possible human health risks associated with CECs such as microplastics, PFAS, glyphosate, COVID-19 drugs, and potentially toxic elements (lead (II) and Arsenic (III). Eliminating some of the possible exposure pathways have been through identifying upstream sources of pollution, the use of innovative and in some cases decentralised removal technology, rapid screening tools such as sensors which can be used by citizen scientists as well as through the development of a GIS-based knowledge hub for CEC’s which provides an interactive map as to the occurrence of different CECs nationally.
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