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Title: Radiological Investigation on Sediments: A Case Study of Wadi Rod Elsayalla the Southeastern Desert of Egypt
Authors: Abdel Gawad, A. E.
Ali, K.
Eliwa, H.
Sayyed, M. I.
Khandaker, M. U.
Bradley, D. A.
Osman, H.
Elesawy, B. H.
Hanfi, M. Y.
Issue Date: 2021
Publisher: MDPI
Citation: Radiological Investigation on Sediments: A Case Study of Wadi Rod Elsayalla the Southeastern Desert of Egypt / A. E. Abdel Gawad, K. Ali, H. Eliwa et al. // Applied Sciences (Switzerland). — 2021. — Vol. 11. — Iss. 24. — 11884.
Abstract: The presence of heavy radioactive minerals in the studied granitoids from which the Wadi sediments leads to the study of the exposure to emitted gamma rays from the terrestrial radionuclides, such as238 U,232 Th, and40 K. The geological study revealed that the Wadi sediments derived from the surrounding granitoids, such as syenogranite, alkali feldspar granite, and quartz syenite. The mineral analysis confirmed that the granitoids were enriched with radioactive minerals, such as uranothorite as well as monazite, zircon, yttrocolumbite, and allanite. The mean activity of the238 U,232 Th, and40 K concentrations are 62.2 ± 20.8, 84.2 ± 23.3, and 949.4 ± 172.5 Bq kg−1, respectively, for the investigated Wadi sediments, exceeding the reported limit of 33, 45 and 412 Bq kg−1, respectively. Public exposure to emitted gamma radiation is detected by estimating many radiological hazard indices, such as the radium equivalent content (Raeq), external and internal hazard indices (Hex and Hin), annual effective dose (AED), annual gonadal dose equivalent (AGDE), and excess lifetime cancer (ELCR). The obtained results of the radiological hazards parameters showed that public exposure to emitted gamma radiation can induce various dangerous health effects. Thus, the application of the investigated sediments in different building materials and infrastructures fields is not safe. A multivariate statistical analysis (MSA) was applied to detect radionuclide correlations with the radiological hazard parameters estimated in the granite samples. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85121233243
WOS ID: 000735844200001
PURE ID: 29147844
ISSN: 2076-3417
metadata.dc.description.sponsorship: The authors acknowledge the support of Taif University Researchers Supporting Project number (TURSP-2020/127), Taif University, Taif, Saudi Arabia.
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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