Distribution of Radionuclides and Radiological Health Assessment in Seih-Sidri Area, Southwestern Sinai

Gharam A. Alharshan, Mohamed S. Kamar, El Saeed R. Lasheen, Antoaneta Ene (), Mohamed A. M. Uosif, Hamdy A. Awad, Shams A. M. Issa and Hesham M. H. Zakaly ()
Additional contact information
Gharam A. Alharshan: Physics Department, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
Mohamed S. Kamar: Nuclear Materials Authority, P.O. Box 530, El Maadi, Cairo 11728, Egypt
El Saeed R. Lasheen: Geology Department, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt
Antoaneta Ene: INPOLDE Research Center, Faculty of Sciences and Environment, Department of Chemistry, Physics and Environment, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
Mohamed A. M. Uosif: Physics Department, College of Science, Jouf University, Sakaka 72388, Saudi Arabia
Hamdy A. Awad: Geology Department, Faculty of Science, Al-Azhar University, Assiut Branch, Cairo 71524, Egypt
Shams A. M. Issa: Physics Department, Faculty of Science, Al-Azhar University, Assiut Branch, Cairo 71524, Egypt
Hesham M. H. Zakaly: Physics Department, Faculty of Science, Al-Azhar University, Assiut Branch, Cairo 71524, Egypt

IJERPH, 2022, vol. 19, issue 17, 1-13

Abstract: The current contribution goal is to measure the distribution of the radionuclide within the exposed rock units of southwestern Sinai, Seih-Sidri area, and assess the radiological risk. Gneisses, older granites, younger gabbro, younger granites, and post granitic dikes (pegmatites) are the main rock units copout in the target area. Radioactivity, as well as radiological implications, were investigated for forty-three samples from gneisses (seven hornblende biotite gneiss and seven biotite gneiss), older granites (fourteen samples), and younger granites (fifteen samples of syenogranites) using NaI (Tl) scintillation detector. External and internal hazard index (H ex , H in ), internal and external level indices (Iα, Iγ), absorbed dose rates in the air (D), the annual effective dose equivalent (AED), radium equivalent activity (Ra eq ), annual gonadal dose (AGDE), excess lifetime cancer risk (ELCR), and the value of Upper Continental Core 232 Th/ 238 U mass fractions were determined from the obtained values of 238 U, 232 Th and 40 K for the examined rocks of Seih-Sidri area. The average 238 U mg/kg in hornblende biotite gneiss and biotite gneiss, older granites, and syenogranites is 2.3, 2.1, 2.7, and 8.4 mg/kg, respectively, reflecting a relatively higher concentration of uranium content in syenogranites. The results suggest that using these materials may pose risks to one’s radiological health.

Keywords: radioactivity; radiological hazard indices; Seih-Sidri area; Egypt (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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