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:: Volume 9, Issue 3 (12-2011) ::
Int J Radiat Res 2011, 9(3): 187-194 Back to browse issues page
Estimating radiation dose from building materials
M. Gupta , R.P. Chauhan
, monika.kkr@gmail.com
Abstract:   (10634 Views)
Background: Natural radioactivity in materials under certain conditions can reach the hazardous radiological levels. So, it becomes necessary to study the natural radioactivity in different materials to assess the dose for the population in order to know the health risks and to have a baseline for future changes in the environmental radioactivity due to human activities. Materials and Methods: The present study deals with the measurement of radioactivity using “γ-ray spectrometry” from naturally occurring radionuclides in the soil, stone and sand samples used as building materials in North-Eastern Haryana state of India. The places are in the vicinity of Shivalik range of Himalayas. Results: The activity concentrations for 226Ra, 232Th and 40K varied from 18±1.5 to 156±6Bqkg‑1, 23±1 to 300±5Bqkg‑1 and 32±0.5 to 1705±14 Bqkg‑1 respectively in various samples. The absorbed dose rate in soil, sand and stone samples is investigated at 1 m above ground level. Ra equivalents, Internal and external hazard indices have also been calculated. Conclusion: The natural radioactivity levels measured in the samples under present study are below the recommended limits except for black stone (SB) and red stone (SR). However, these samples satisfy the universal standards. Iran. J. Radiat. Res., 2011 9(3): 187-194
Keywords: Absorbed dose, natural radioactivity, γ-ray spectrometry, Radium, thorium, potassium
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Type of Study: Original Research | Subject: Radiation Biology
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Gupta M, Chauhan R. Estimating radiation dose from building materials. Int J Radiat Res. 2011; 9 (3) :187-194
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Volume 9, Issue 3 (12-2011) Back to browse issues page
International Journal of Radiation Research
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