A considerable part of the global population (e.g., residents of some parts of Argentina, Bangladesh, Chile, China, Hungary, India, Mexico, Taiwan and the USA) isexposed toarsenic-contaminated drinking water which is the main source of inorganic arsenic (As) exposure in humans (Villaescusa and Bollinger, 2008; Brinkeletal., 2009; Duraetal.; Rahmanetal., 2009).
Around the year 2000 the World Health Organization, the European Union and the USA have set 10 μg As/liter as the highest allowable limit of arsenic in drinking water, but Hungary (joined to the EU in 2004) received a temporary derogation – until December, 2012 – from the European Commission to achieve the above requirement (i.e.decreasing the concentration of As below10 μg/l) (Villaescusa and Bollinger, 2008).
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