Home / Scientific activities / Journals / Calculation of radioactivity levels for various soil samples of Karbala – Najaf road (Ya- Hussein) / Iraq

Calculation of radioactivity levels for various soil samples of Karbala – Najaf road (Ya- Hussein) / Iraq

Shatha F.Alhous1

, Shaymaa Awad Kadhim2

, Abdulhussein A. Alkufi3

, Asmahan

Asaad Muhmood(4) Inass Abdulah Zgair(5)
1,3 Physics Department/ Faculty of Education for girls/ University of Kufa /Iraq
2,4,5Department of Physics /Faculty of Science/ University of Kufa /Iraq
E-mail1
: Shathaf.alfatlawi@uokufa.edu.iq
E-mail2
: shaymaa.alshebly @uokufa.edu.iq
E-mail3

: husseinalkuf@gmail.com

Abstract
Ya- Hussein an outer road that links the governorates of Najaf and Karbala / Iraq , the
soil on this road is a sandy desert . The study was conducted to calculate the
radioactivity and the risk indicators for this soil, because this study is of great
importance due to the contribution of many factors to increasing the concentrations of
radionuclides as they are transported through the soil then to humans and endanger
their lives. We have estimated 226Ra, 232 Th and 40 K concentrations in the paper, with
their radiological risks in 15 soil sample types gathered from road Ya – Hussein / Iraq,
investigated by using gamma ray spectrometry detector NaI (Tl). The result showed
the soil sampling concentrations of 226Ra, 232Th, and 40 K were there an average
among 17.386±1.327 , 15.889±0.556 and 553.269±4.997 with unit ( Bq.kg−1
)
respectively . Likewise (Hin ; Hex) hazard indices , total annual effective dose which
was below the internationally recommended limits and excess life-time cancer risk
(ELCR) were calculated ( 0. 793*10-3 ) was lower than the worldwide value. All
parameters were statistically studied, and the correlation between the parameters
studied was calculated, Pearson’s correlation and ( P value ) among the variables .The
correlation between gamma index ( Iγ) and Alpha index (Iα) was strong, positive and
direct ,where it was statistically significant (p-value < 0.05) . The studied area is
considered safe and the samples are free from radiation safety threats then the soil
does not pose a health risk in this road .Thus this study can be considered as a baseline
for future studied on the studied area.
.
Key Words :soil, radionuclide, hazard index ,annual effective dose, Iraq.

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