Statistical Tool Predicts Arsenic Risk in Chinese Wells

About 140 million people around the world drink water contaminated with unsafe-levels of arsenic. The element is found naturally in rocks and soil, but exposure to it presents a major public health problem, especially in regions where untreated groundwater is the only reliable source of drinking water. Scientists have deployed a new statistical tool that can help predict the greatest risk of contamination.

Luis Rodriguez-Lado led the team that designed the method.  The soil scientist …

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