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2020-1-15  FILE PHOTO: An artisanal miner climbs out of a gold mine with a bag of rocks broken off from inside the mining pit at the unlicensed mining site of Nsuaem Top in Ghana, November 24, 2018.

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2020-1-16  It is hard to measure the output of artisanal and small-scale miners but Metals Focus, a consultancy, estimates they now produce about 560 tonnes of gold a year worth some $27 billion.

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2021-1-1  Artisanal and Small-scale Gold Mining (ASGM) has been identified as the most important anthropogenic source of Hg at a global scale and an important route of human exposure to Hg. In this context, this study assessed total Hg (THg) in blood, urine and hair, and methylmercury (MeHg) in human hair samples from 238 participants with occupational