Abstract
In this study, natural radioactivity (238U, 232Th, 40K) was measured in 25 grains samples (wheat, corn (maize), millet, rice, barley, and mungbean) collected from different sites of Kerbala governorate. Samples were measured using NaI(Tl) detector. Radiological risks (radium equivalent (Raeq), internal hazard index (Hin), total annual effective dose (Dtotal), threshold consumption rate (DIthresh), and excess lifetime cancer risk (ELCR) were also calculated for all samples. The results of the average value of the specific activity for 238U, 232Th, and 40K in unit Bq/kg were 12.08±1.11, 6.72±0.74, and 274.18±29.20, respectively. While the average value of Raeq, Hin, Dtotal, DIthresh, and ELCR were 42.81±3.94 Bq/kg, 0.148±0.013, 0.229±0.026 mSv/y, 76.78±18.05 Kg/y, and 0.659±0.075, respectively. The values of 238U and 232Th in all samples were within the acceptable limit (33, 45 Bq/kg) according to UNSCEAR 2008, while the values of 40K for sample samples were higher than the acceptable limit (420 Bq/kg). The values of Dtotal were within world limit that recommended by UNSCER 2008 (0.320 mSv/y), except some samples of wheat, millet, and barley. Also, the values of ELCR in all samples were lower than the worldwide average limit (2.5×10−3) according to ICRP. Therefore, can be concluded that most grains samples in the present study are safe, from the health and environmental point of view.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
