Doses from 222Rn, 226Ra, and 228Ra in groundwater from Guarani aquifer, South America.

@article{Bonotto2004DosesF2,
  title={Doses from 222Rn, 226Ra, and 228Ra in groundwater from Guarani aquifer, South America.},
  author={Daniel Marcos Bonotto},
  journal={Journal of environmental radioactivity},
  year={2004},
  volume={76 3},
  pages={
          319-35
        }
}
Groundwater samples were analysed for 222Rn, 226Ra, and 228Ra in Guarani aquifer spreading around 1 million km2 within four countries in South America, and it was found that their activity concentrations are lognormally distributed. Population-weighted average activity concentration for these radionuclides allowed to estimate a value either slightly higher (0.13 mSv/year) than 0.1 mSv for the total effective dose or two times higher (0.21 mSv/year) than this limit, depending on the choice of… CONTINUE READING
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The natural radioactivity in Guarani aquifer groundwater, Brazil.

  • Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
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