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      Arsenic levels in groundwater and its correlation with relevant inorganic parameters in Uruguay: A medical geology perspective.

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          Abstract

          The aim of this work was to perform a groundwater quality monitoring in Uruguay, from the Medical Geology perspective, focusing attention on arsenic levels and its correlations with other relevant inorganic parameters. For this purpose, a total of 46 groundwater samples from private wells, out of the scope of the state-run water utility company, were analyzed. The accuracy of the analytical methods was ensured by using certified reference materials. Arsenic concentration range was 1.72-120.5 μg L-1, half of the samples being above the limit of 10 μg L-1 recommended by WHO for drinking water, with the corresponding risks for human health. Pearson correlations were performed, resulting in strong positive correlations for the pairs As/Cl-, As/F-, As/Na and As/V. These relationships between arsenic and other inorganic parameters in groundwater should be deeply studied, to prevent long-term health effects.

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          Author and article information

          Journal
          Sci Total Environ
          The Science of the total environment
          Elsevier BV
          1879-1026
          0048-9697
          Jun 15 2020
          : 721
          Affiliations
          [1 ] Analytical Chemistry, DEC, Faculty of Chemistry, Universidad de la República, Gral. Flores 2124, Montevideo, Uruguay. Electronic address: imachado@fq.edu.uy.
          [2 ] Analytical Chemistry, DEC, Faculty of Chemistry, Universidad de la República, Gral. Flores 2124, Montevideo, Uruguay.
          [3 ] Toxicology, DEC, Faculty of Chemistry, Universidad de la República, Gral. Flores 2124, Montevideo, Uruguay.
          Article
          S0048-9697(20)31299-7
          10.1016/j.scitotenv.2020.137787
          32179354
          cf865e10-c177-45ce-85ea-d9e3242acd2f
          Copyright © 2020 Elsevier B.V. All rights reserved.
          History

          Arsenic,Groundwater,Inorganic parameters,Medical geology

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