Bangladesh: The Deeper The Well, The Less The Arsenic

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INDIANAPOLIS IN, United States

Arsenic in well water accounts for one in 20 deaths in Bangladesh. The country's 10 million or more shallow, hand-pumped wells yield water that often exceeds the World Health Organization's (WHO) arsenic guidelines of 10 micrograms per liter. Drilling deeper wells yields significantly lower levels of the poisonous chemical, according to new research.