Health Risk Assessment of Natural Background Radiation in Residents of Khorramabad, Iran

Ghorbanipour, Mojtaba and Hosseini Alhashemi, Azamalsadat and Gharloghi, Somayeh and Adeli, Mahin and Gholami, Mehrdad (2017) Health Risk Assessment of Natural Background Radiation in Residents of Khorramabad, Iran. Iranian Journal of Medical Physics, 14 (1). pp. 23-28.

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Abstract

Introduction Radioactive materials naturally exist in the world. Indeed, approximately 82 of human-absorbed radiation doses, which are out of human control, arise from natural sources of radiation including cosmic, terrestrial, and exposure through inhalation or ingestion. Thus, the aim of the present study was to estimate health risk, as well as the effective and organ doses from naturally occurring background radiation in residents living in the vicinity of Khorramabad, Iran. Materials and Methods This cross-sectional study was carried out in Khorramabad, Iran. The measurements were performed using Geiger-Muller detector (RDS-110) during daylight from April to June, 2015. The natural gamma radiation measurements were made both indoor and outdoor across five regions of Khorramabad (north, south, west, east, and center). Results The estimated mean absorbed dose rate in outdoor and indoor zones were 0.09±0.024 and 0.117±0.032 mSvy-1, respectively. Additionally, the mean annual effective dose was calculated as 0.69±0.19 mSvy-1, while the estimated health risk probability was 0.0345. Conclusion The average annual effective dose arising from gamma background radiation was higher than global values. Therefore, more studies are required to examine the relationship between radiation-induced effects and the natural background radiation level in Khorramabad.

Item Type: Article
Subjects: WA Public Health
WN Radiology . Diagnostic Imaging
Divisions: Journals > Iranian J Medical Physics
Depositing User: ijmp ijmp
Date Deposited: 19 Sep 2017 14:09
Last Modified: 19 Sep 2017 14:09
URI: http://eprints.mums.ac.ir/id/eprint/1256

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