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Radiological Impact of Natural Radioactivity and Excessive Lifetime Cancer Risk in Sedimentary Rock Samples from Farsh El Azraq Area, Sinai, Egypt |
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PP: 229-237 |
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doi:10.18576/jrna/060307
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Author(s) |
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E. S. Abd El-Halim,
Amira A.Shenoda,
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Abstract |
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| The primary goal of this research is to determine the activity concentrations (Bq/kg) of naturally occurring radionuclides 238U, 226Ra, 232Th, and 40K in various types of sedimentary rock samples from the Um Bogma Formation in Sinais Farsh El Azraq district. The measurements were made using a coaxial HPGe detector and gamma-ray spectrometry. (Siltstone, variegated shale, marl and dolostone) are the samples under study. The activity ratios 226Ra/238U and 238U/235U were calculated to estimate the radioactive equilibrium/disequilibrium in the area under study. This study reveals in general that all samples are exceeding the world permissible safe criteria and consider a risk source for human environment. |
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