Small gold mines in Senegal create high mercury contamination


02/14/2018 12:28 PM EST

Senegalese gold miners

A Duke University-led study has found high levels of mercury and methylmercury in soils, sediments and rivers near artisanal gold mines in Senegal. Nearly every sample collected from four mining villages contained mercury levels at least ten times higher than World Health Organization and U.S. Environmental Protection Agency standards.

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Duke University

This is an NSF News From the Field item.