Health risk profile for terrestrial radionuclides in soil around artisanal gold mining area at Alsopag, Sudan

• Autorzy: Idriss H. , Salih I. , Alaamer A. S. , AL-Rajhi M. A. , Osman A. , Adreani T. E. , Abdelgalil M. Y. , Ali N. I.

Identyfikatory

DOI

10.1007/s11600-018-0166-6

• Języki publikacji: EN

Abstrakty

EN

This study shows the assessment of radiation hazard parameters due to terrestrial radionuclides in the soil around artisanal gold mining for addressing the issue of natural radioactivity in mining areas. Hence, the levels 238U, 232Th, 40K and 226Ra in soil (using gamma spectrometry), 222Rn in soil and 222Rn in air were determined. Radiation hazard parameters were then computed. These include absorbed dose D, annual effective dose E, radium equivalent activity Raeq, external hazard Hex, annual gonadal dose equivalent hazard index AGDE and excess lifetime cancer risk ELCR due to the inhalation of radon (222Rn) and consumption of radium (226Ra) in vegetation. Uranium (238U), thorium (232Th) and potassium (40K) averages were, respectively, 26, 36 and 685 Becquerel per kilogram (Bq kg-1). Soil radon (4671 Bq m-3) and radon in air (14.77 Bq m-3) were found to be less than worldwide data. Nevertheless, the average 40K concentration was 685 Bq kg-1. This is slightly higher than the United Nations Scientific Committee on the Effects of Atomic Radiation average value of 412 Bq kg-1. The obtained result indicates that some of the radiation hazard parameters seem unsavory. The mean value of absorbed dose rate (62.49 nGy h-1) was slightly higher than average value of 57 nGy h-1 (~ 45% from 40K), and that of AGDE (444 lSv year-1) was higher than worldwide average reported value (300 lSv year-1). This study highlights the necessity to launch extensive nationwide radiation protection program in the mining areas for regulatory control.

Słowa kluczowe

EN

radioactivity; soil radiation; artisanal gold mining; alsopag

PL

radioaktywność; promieniowanie glebowe; rzemieślnicze wydobycie złota

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2018
• Tom: Vol. 66, no. 4
• Strony: 673–--681
• Opis fizyczny: Bibliogr. 38 poz.

Twórcy

autor

Idriss H.

• Physics Department, Committee on Radiation and Environmental Pollution Protection, College of Science, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia
• Sudan Atomic Energy Commission (SAEC), P.O. Box 3001, Khartoum, Sudan

autor

Salih I.

• Sudan Atomic Energy Commission (SAEC), P.O. Box 3001, Khartoum, Sudan
• Department of Physics, Taibah University, PO Box 30002, Al-Madinah Aalmunawarrah 41477, Saudi Arabia

autor

Alaamer A. S.

• Physics Department, Committee on Radiation and Environmental Pollution Protection, College of Science, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia

autor

AL-Rajhi M. A.

• Physics Department, Committee on Radiation and Environmental Pollution Protection, College of Science, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia

autor

Osman A.

• Sudan Atomic Energy Commission (SAEC), P.O. Box 3001, Khartoum, Sudan

autor

Adreani T. E.

• Sudan Atomic Energy Commission (SAEC), P.O. Box 3001, Khartoum, Sudan

autor

Abdelgalil M. Y.

• Department of Mineral Wealth, Faculty of Petroleum and Minerals, Al Neelain University, P.O. Box 21702, Khartoum, Sudan

autor

Ali N. I.

• Sudan Atomic Energy Commission (SAEC), P.O. Box 3001, Khartoum, Sudan
• Department of Radiological Sciences and Medical Imaging, College of Applied Medical Sciences, Majmaah University, Al Majmaah 11952, Saudi Arabia

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