Radioactivity in building materials used in and around Dhaka city.

@article{Roy2005RadioactivityIB,
  title={Radioactivity in building materials used in and around Dhaka city.},
  author={Sukanta Roy and M. Shamshad Alam and Mahmuda Begum and bhuiyan. alam},
  journal={Radiation protection dosimetry},
  year={2005},
  volume={114 4},
  pages={527-32}
}
The activity levels of (226)Ra, (232)Th and (40)K were determined using gamma-ray spectroscopy in different commercial brands of cement, sand and hollow concrete bricks, which were collected from the building material suppliers of Dhaka City. The activity concentrations in the samples were found to be somewhat higher than in other countries. An effort has been made to assess the radiation hazard associated with these materials by determining the gamma activity concentration index I. It was… CONTINUE READING

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