Assessment of radioactivity levels and hazards for some soil samples from different localities, Zintan city, Libya.
his study aimed to assessment of the activity concentrations and radiation hazard indices with excess lifetime cancer
risk (ELCR) in fourteen soil samples obtained from different localities, in Zintan City, Libya. The natural radionuclides
have been measured by using HPGe detector with a specially designed shield. This study showed the activity concentrations
of 226Ra, 232Th and 40K were lower than the world's average levels. The radium equivalent (Raeq) in Bq/Kg, external
hazard index (Hex), radioactivity level index (Iγ), the absorbed dose rate (D) and the annual effective dose (AED) in outdoor
environment were estimated. The excess lifetime cancer risk (ELCR) was found to be low for all the samples in the area
under investigation which mean the soil of the study area does not pose any radiological hazard to the public and
environment.
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