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Year : 2013  |  Volume : 38  |  Issue : 2  |  Page : 93-97

Natural radionuclide and radiological assessment of building materials in high background radiation areas of Ramsar, Iran

1 Department of Physics, University of Guilan, Rasht, Iran
2 Environmental Radiological Protection Division, National Radiation Protection Department, Iran Nuclear Regulatory Authority, Atomic Energy Organization of Iran, End of Northern Kargar Street, Tehran, Iran

Correspondence Address:
Elham Bavarnegin
Department of Physics, University of Guilan, Rasht
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-6203.111325

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Building materials, collected from different sites in Ramsar, a northern coastal city in Iran, were analyzed for their natural radionuclide contents. The measurements were carried out using a high resolution high purity Germanium (HPGe) gamma-ray spectrometer system. The activity concentration of 226 Ra, 232 Th, and 40 K content varied from below the minimum detection limit up to 86,400 Bqkg -1 , 187 Bqkg -1 , and 1350 Bqkg -1 , respectively. The radiological hazards incurred from the use of these building materials were estimated through various radiation hazard indices. The result of this survey shows that values obtained for some samples are more than the internationally accepted maximum limits and as such, the use of them as a building material pose significant radiation hazard to individuals.

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