Chapter 2 - ‘Priority Pollutants’ and Chemicals of Emerging Concern

2.1.         WHO ‘Priority Chemical Contaminants’: arsenic and fluoride

The WASH Establishment’s official definition of “safely managed” drinking water is that it is obtained “from an improved water source which is located on premises, available when needed and free from faecal and priority chemical contamination”[6] (emphasis added). The priority chemical contaminants are fluoride and arsenic (both inorganicchemicals, as y…

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