Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2016 Vol: 8 Issue: 11

Biological Effects of Background Radiation and Their Risk of Humans

Abstract

Background: Exposure rate measurements of the natural background radiation are found in some selected locations of the university of Kufa in Najaf city, Iraq. Materials and Methods: The experimental results of this study are using a G-M survey meter [SEI Inspector EXP (Digital Radiation Detector, USA)]. Two radioactive sources (137Cs and 60Co) are used to calibrate the G-M exposure rate meter. Results: The most frequently recorded readings of the gamma-ray dose rate were observed between 74 and 93 nGy h-1. The absorbed dose rates are found to be from 55 nGyh-1 at Science College (Chemistry Store) to 189 nGy h-1 at Science College (Classroom) (mean= 99 nGyh-1). Conclusions: Meanwhile, absorbed dose rates of background radiation fell within the range reported in other listed regions worldwide. This finding indicates that selected location in the present study has normal values and may not be harmful and have not biological effects on people in this region.