Volume 34, Issue 1 (2-2020)                   Med J Islam Repub Iran 2020 | Back to browse issues page


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Haghparast M, Afkhami Ardekani M, Navaser M, Refahi S, Najafzadeh M, Ghaffari H et al . Assessment of background radiation levels in the southeast of Iran. Med J Islam Repub Iran. 2020; 34 (1) :404-407
URL: http://mjiri.iums.ac.ir/article-1-6167-en.html
Department of Radiology, Faculty of Paramedicine, Hormozgan University of Medical Sciences, Bandar-Abbas, Iran , m.afkhami87@gmail.com
Abstract:   (334 Views)
Background: Measuring background radiation (BR) is highly important from different perspectives, especially from that of human health. This study was conducted to measure BR in the southeast of Iran.
   Methods: BR was measured in Hormozgan and Sistan-Bluchestan provinces using portable Environmental Radiation Meter Type 6-80 detector. The average value was used to calculate the absorbed dose rate and indoor annual effective dose (AED) from BR. In addition, excess lifetime cancer risk (ELCR) was evaluated.
   Results: The results showed that the maximum and minimum absorbed dose rates were 71.9 and 34.2 nGy.h-1 in Abomoosa and Minab in Hormozgan province and 90.0 and 47.8 nGy.h-1 in Zahedan and Chabahar in Sistan-Bluchestan province, respectively. Data indicated that these areas had a lower BR level compared with the worldwide level.  The ELCR from indoor AED was larger compared with the worldwide average of 0.29 × 10-3.
   Conclusion: This study provided a reference for designing and developing specific regional surveys associated with the measurement of natural BR in the southeast of Iran.
 
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