Small gold mines in Senegal create high mercury contamination

Small gold mines in Senegal create high mercury contamination 02/14/2018 12:28 PM EST 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. Full story at https://nicholas.duke.edu/about/news/small-gold-mines-senegal-create-high-mercury-contamination Source Duke University This is an NSF News From the Field item. Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 2415 Eisenhower Avenue, Alexandria, VA 22314 · 703-292-5111