| mercury in the gold mining district of san martin de loba, south of bolivar (colombia). | gold mining is responsible for most hg pollution in developing countries. the aims of this study were to assess the levels of total hg (t-hg) in human hair, fish, water, macrophyte, and sediment samples in the gold mining district of san martin de loba, colombia, as well as to determine fish consumption-based risks for t-hg ingestion. t-hg levels were measured by electrothermal atomization and atomic absorption spectroscopy. the overall mean t-hg level in hair for humans in the mining district o ... | 2015 | 25354433 |