A hydrochemical investigation and socioeconomic assessment in Rio Zapomeca river basin focusing on arsenic contamination

  • Hagström, Axel
  • Rydstedt, Anton
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Publication date
January 2015
Publisher
Lunds universitet/Riskhantering (CI)
Language
English

Abstract

The awareness of problems concerning arsenic contaminated drinking water sources has during recent years increased. WHO (World Health Organization) decided in 1993 to lower the recommended limit of arsenic in drinking water from 50 μg/l to 10 μg/l, mainly due to observations of its carcinogenicity. New places where the WHO limit for arsenic is exceeded are constantly discovered all over the world. Several areas in Nicaragua in Central America have since 1996 been discovered to have arsenic concentrations above the recommendations. This Minor Field Study aims to investigate the origin and triggers of the arsenic that is contaminating the drinking water sources in the river basin of Rio Zapomeca located in central Nicaragua. The study also ev...

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