A crosssectional survey on knowledge and perceptions of
25/1/2013#0183;#32;An estimated to million informal miners, of whom 3050% are women, rely on artisanal mining for their livelihood in Tanzania. Mercury, used in the processing gold ore, and arsenic, which is a constituent of some ores, are common occupational exposures that frequently result in widespread environmental contamination. Frequently, the mining activities are conducted haphazardly without