Estimation excess risk cancer due to natural gamma radiation exposure in outdoor areas for residents of Dargaz city in 2016

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JONIDI JAFARI A.; Ghorbannezhad f.; RASTEGAR A.

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2019 | Volume:12 | Issue:2 Page(s): 185-192

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Title

Estimation excess risk cancer due to natural gamma radiation exposure in outdoor areas for residents of Dargaz city in 2016

Author(s)

JONIDI JAFARI A. | Ghorbannezhad f. | RASTEGAR A. | Issue Writer Certificate

Keywords

CancerQ2

DargazQ1

Dose rateQ1

Natural radiationQ1

Abstract

Background and Objective: Humans are always exposed to ionizing radiation that could potentially have harmful effects. The aim of this study was to evaluate the background gamma Dose rate, the estimated annual effective dose, and the excess Cancer risk assessment in Dargaz. Materials and Methods: This study was a cross sectional study which was conducted in January-March and July – September 2016. In this study, 5 stations (4 in the main geographical directions and 1 in the center city) were selected based on the map of the city to determine the Dose rate of background gamma radiation in outdoor areas. A dosimeter was used (Geiger Mü ller detector STEP OD-02 with sensitivity of 0-2000 mSv/h) to measure gamma rays. The device was designed to monitore X-rays, gamma rays and beta rays. Results: The results showed that the maximum and minimum mean values of background gamma Dose rate were 147± 12 nSv/h and 113± 11 nSv/h in the center and west-direction of the city, respectively. The annual effective dose for Dargaz residents in outdoor was determined to be 015/ mSv/yr, and the amount of excess lifetime Cancer risk was estimated as 0. 6×10-3. Conclusion: The results indicated that there are significant differences between the rates dose in the center and other parts of the city (p≤ 0. 05).

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APA: Copy

JONIDI JAFARI, A., Ghorbannezhad, f., & RASTEGAR, A.. (2019). Estimation excess risk cancer due to natural gamma radiation exposure in outdoor areas for residents of Dargaz city in 2016. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 12(2 ), 185-192. SID. https://sid.ir/paper/145770/en

Vancouver: Copy

JONIDI JAFARI A., Ghorbannezhad f., RASTEGAR A.. Estimation excess risk cancer due to natural gamma radiation exposure in outdoor areas for residents of Dargaz city in 2016. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2019;12(2 ):185-192. Available from: https://sid.ir/paper/145770/en

IEEE: Copy

A. JONIDI JAFARI, f. Ghorbannezhad, and A. RASTEGAR, “Estimation excess risk cancer due to natural gamma radiation exposure in outdoor areas for residents of Dargaz city in 2016,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 12, no. 2 , pp. 185–192, 2019, [Online]. Available: https://sid.ir/paper/145770/en

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