Arsenic (As) is a naturally occurring toxic metalloid that is ubiquitous in the environment. It is found in water, soil, and air and as such is also found in the food supply. Millions of people are exposed to As at concentrations in their drinking water that exceed health-based standards worldwide. The World Health Organization (WHO) has listed As as one of its ten chemicals of major public health concern (WHO 2010). Inorganic As (iAs) is listed as the number one concern on the Priority List of Hazardous Substances by the Agency for Toxic Substances and Disease Registry (...

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