Spatial distribution of mercury and arsenic levels in water, soil and cassava plants in a community with long history of gold mining in Tanzania.

@article{Nyanza2014SpatialDO,
  title={Spatial distribution of mercury and arsenic levels in water, soil and cassava plants in a community with long history of gold mining in Tanzania.},
  author={Elias C Nyanza and Deborah Dewey and Deborah S K Thomas and Mark K. Davey and Sospatro E Ngallaba},
  journal={Bulletin of environmental contamination and toxicology},
  year={2014},
  volume={93 6},
  pages={
          716-21
        }
}
This study examined the spatial distribution of total mercury (THg) and total arsenic (TAs) in water, soil and cassava (Manihot esculenta) (leaves and roots) samples taken from areas in Rwamagasa village in northwestern Tanzania where daily living activities occur in close proximity to extensive artisanal and small scale gold mining. Results indicated that 33.3 % of the water sources had THg levels above the WHO guideline of 1.0 µg/L for safe drinking water, and 12.5 % had TAs levels above 10… CONTINUE READING
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