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Published online 4 July 2008 | Nature 454, 263 (2008) | doi:10.1038/454263a

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Irrawaddy may be poisoned by arsenic

Geological map pinpoints fresh areas of contamination in Asia.

Drinking water in Myanmar’s Irrawaddy delta may be contaminated with high levels of arsenic, a geological map suggests.

Arsenic contamination is a serious problem in several regions of south Asia, most notably Bangladesh, where half of the country’s wells may be polluted.

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