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Determination of Monoaromatic Hydrocarbons (BTEX) in Surface Waters from a Brazilian Subtropical Hydrographic Basin

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Abstract

This study examined surface water samples for the presence of the monoaromatic hydrocarbons benzene, toluene, ethylbenzene and xylene. Water samples were collected from the sub-basin of the Tegas River and the Marrecas Stream microbasin located in the metropolitan region of the municipality of Caxias do Sul (Rio Grande do Sul State, Brazil). For all sampling points evaluated, only toluene was detected, with concentrations values in the range of 1.70–18.44 μg L−1. In general, the relatively high toluene concentration for the samples collected were above the limit of 2 μg L−1 established by the Brazilian government for Class I rivers for the protection of aquatic life. However, they were well below the established limit of 170 μg L−1 in water used for human consumption.

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Acknowledgments

The authors thank FAPERGS and PETROBRAS for financial support.

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Authors and Affiliations

  1. Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 91501-970, Brazil

    Andreia Neves Fernandes

  2. Departamento de Química, Universidade Federal do Paraná, Curitiba, PR, 81531-990, Brazil

    Cindy Duarte Gouveia & Marco Tadeu Grassi

  3. Centro de Ciências Exatas e Tecnologia, Universidade de Caxias do Sul, Caxias do Sul, RS, 95070-560, Brazil

    Janaina da Silva Crespo & Marcelo Giovanela

Authors
  1. Andreia Neves Fernandes
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  2. Cindy Duarte Gouveia
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  3. Marco Tadeu Grassi
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  4. Janaina da Silva Crespo
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  5. Marcelo Giovanela
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Correspondence to Andreia Neves Fernandes.

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Fernandes, A.N., Gouveia, C.D., Grassi, M.T. et al. Determination of Monoaromatic Hydrocarbons (BTEX) in Surface Waters from a Brazilian Subtropical Hydrographic Basin. Bull Environ Contam Toxicol 92, 455–459 (2014). https://doi.org/10.1007/s00128-014-1221-x

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  • DOI: https://doi.org/10.1007/s00128-014-1221-x

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