A team of researchers has found that the arsenic in groundwater in the region is part of a natural process that predates any recent human interaction, such as intensive pumping.![](http://feeds.feedburner.com/~r/sciencedaily/earth_climate/recycling_and_waste/~4/QasXptiUQJ8)
URL: http://feeds.sciencedaily.com/~r/sciencedaily/earth_climate/recycling_and_waste/~3/QasXptiUQJ8/130304211526.htm
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