Estimation of radiation hazards caused by granite in the villages of Dehsiahan, Khanaman and Mani in Rafsanjan city of Kerman province

Document Type : Conference Paper

Authors

Department of Nuclear Engineering, Faculty of Sciences and Modern Technologies, Graduate University of Advanced Technology, Kerman, Iran

Abstract

Humans are exposed to external and internal radiation from various radiation sources such as cosmic radiation, ambient radiation, Radon and radiation therapy devices annually. The permissible annual dose limit set by the ICRU report for ordinary people is 0.05 Sv. The amount of environmental radiation depends on the type of soil, building materials, granite and the surrounding environment, which can be reduced by changing these materials to reduce the risks of environmental radiation. Unfortunately, there are villages in Kerman that are located on a bed of radioactive granite. In this study, the amount of hazards caused by these stones for the residents of Mani, Khanaman and Dehsiahn villages has been investigated. The research results show that the activity of  the 232Th, 238U, 40K and 137Cs radioactive elements and the quantities of Raeq, Dr, Dout, Din, Dtot, Hex, Hin, Iy, ELCR of these three villages are higher than The permissible values ​​are announced by the ICRU.

Keywords

References

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