Study of Radionuclides and Assessment of Radioactive risks for Environmental particulate matters in Qassim region, Saudi Arabia

Document Type : Original Research Paper


1 Physics Department, College of Science, Qassim University, Buraydah 51452, KSA.

2 Medical Physics and Radiation Science Department, School of Physics, University Sains Malaysia, 11800 Penang Malaysia

3 Department of Physics, College of Science and Arts, Qassim University, Ar Rass, Saudi Arabia.


The current research study the comprehensive health and environmental hazard levels of Particulate matters originating from natural radionuclides sources collected from different Qassim region locations, Saudi Arabia. Activity concentration for 226Ra, 232Th, and 40K was assessed using a Sodium Iodide detector. Gamma-ray parameters as the Radium equivalent, Gamma level index, absorbed dose, annual effective dose, and lifetime risk were measured to predict the growth of radiological dangers. The average activity concentration for 226Ra, 232Th, and 40K is 35±0.06, 32.6±0.4, and 294.99±1.31 Bq/kg. Ra(eq) ranges from38.3 to 143.1 with an average of 104.37 Bq/kg, absorbed dose ranges from 18 to 66.49 with an average of 48.18 nGy/h, and annual effective dose ranges from 22.09 to 81.58 with an average of 59.11 μSv/y. The relative contribution was 26%, 33%, and 41% for 40K, 226Ra, and 232Th, respectively. The obtained results do not cause apprehensions from the radiation population compatible with permissible public limits. The obtained database helps the investigators follow the future pollution exchange due to Scientific progress in the use of radioactive materials.


Ababneh, Z. Q., Ababneh, A. M., Alsagabi, S. and Almasoud, F. I. (2018). A Study of the Radioactivity in the Dust Storm Event of April 2015 in Arabian Peninsula. Radiation Protection Dosimetry, 179(2); 108-118.
Abd El-Azeem, S.A. and Howaida, M. (2020). Determination of Natural Radionuclides and Mineral Contents in Environmental Soil Samples. Arabian Journal for Science and Engineering, 46; 697–704.
Alashrah, S. and El-Taher, A. (2016). Assessment of natural radioactivity level and radiation hazards in soil samples of Wadi Al- Rummah Qassim province, Saudi Arabia. Journal of Environmental Biology, 37(5); 985–991.
Ali, K. K. and Shejiri, S. J. D. (2019). The radiological effects of dust storms in Baghdad- Ramadi area. Iraqi Journal of Science, 60(2); 255–262.
Ajibola, T. B., Orosun, M. M., Ehinlafa, O. E., Sharafudeen, F. A., Salawu, B. N., Ige, S. O. and Akoshile, C. O. (2022). Radiological Hazards Associated with 238U, 232Th, and 40K in some selected Packaged Drinking Water in Ilorin and Ogbomoso, Nigeria. Pollution, 8(1); 117- 131.
Avwiri, G. O., Ononugbo, C. P. and Nwokeoji, I. E. (2014). Radiation hazard indices and excess lifetime cancer risks in soil, sediment, and water around mini – Okoro/ Oginigba creek, Port – Harcourt, Rivers State, Nigeria. Comprehensive Journal of Environment and Earth Sciences, 3(1); 38- 50.
Borràs-Santos, A., Jacobs, J. H., Täubel, M., Haverinen-Shaughnessy, U., Krop, E. J., Huttunen, K., Hirvonen, M.R., Pekkanen, J., Heederik, D. J. and Zock, J.P. (2013). Dampness and mold in schools and respiratory symptoms in children: the HITEA study. Occup Environ Med., 2012;101286.
Chao, J. H., Tang, C. Y., Huang, F. Y. J., Tsai, T. L., Liu, C. C., Liu, W. C., Kang, L. C., Chan, C. Y. and Lin, C. C. (2020). Background radiation in the production area of hokutolite in Taiwan. Radiation Physics and Chemistry, 172; 108769.
Cheng, T., Lu, D., Chen, H. and Xu, Y. (2005). Physical characteristics of dust aerosol over Hunshan Dake sand land in Northern China. Atmospheric Environment, 39(7); 1237-1243.
Chowdhury, M. I., Kamal, M., Alam, M. N., Salah, Y. and Mostapha, M. N. (2006). Distribution of naturally occurring radionuclides in soils of the southern districts of Bangladesh Radia. Prot. Dosi., 118(1); 126-130.
Devi, V. and Chauhan, R. P. (2020). Estimation of natural radionuclide and exhalation rates of environmental radioactive pollutants from the soil of northern India, Nucl. Eng. Technol., 52(6); 1289- 1296.
El-Taher, A. and Al-Zahrani, J. H. (2014). Radioactivity measurements and radiation dose assessments in the soil of Al-Qassim region, Saudi Arabia. Indian Journal of Pure & Applied Physics, 52(3); 147-154.
El-Taher, A., Kratz, K. L., Nossair, A. and Azzam, A. H. (2003). Determination of Gold in Two Egyptian Gold Ores using Instrumental Neutron Activation analysis. Journal of Radiation Physics and Chemistry, 68(5); 751- 755.
Guo, Z.G., Feng, J. L., Ming Fang, Chen, K.H. and Lau, H.Y. (2004). The elemental and organic characteristics of PM2.5 in Asian dust episodes in Qingdao China. Atoms. Environ., 38(6); 909- 919.
Hueglin, C., Gehrig, R., Baltensperger, U., Gysel. M., Monn, C. and Vonmont, H. (2005). Chemical characterization of PM2.5, PM10, and coarse particles at Switzerland's urban, near-city and rural sites. Atmospheric Environment, 39(4); 637- 651.
IAEA, (1989). Gamma-ray surveys in uranium exploration. Technical Report Series No. 186.
IAEA, (2005). Naturally Occurring Radioactive Materials (IV). In Proceedings of an international conference held in Szczyrk, IAEA-TECDOC-1472, Poland.
IAEA, (2011). Radioactive particles in the environment: Sources, particle characterization, and analytical techniques.
ICRP, (1991). Recommendations of the International Commission on Radiological Protection, vol. 60 Pergamon Press; ICRP Publication, Oxford.
ICRP, (1993). Protection against radon-222 at home and work. ICRP Publication 65. Ann. 1530 ICRP 23(2) Pergamon Press, Oxford.
Joel, E.S., Maxwell, O., Adewoyin, O.O., Ehi-Eromosele, C.O., Embong, Z. and Oyawoye, F. (2018). Assessment of natural radioactivity in various commercial tiles used for building purposes in Nigeria. MethodsX 5; 8-19.
Khandaker, M. U., Zainuddin, N. K., Bradley, D. A., Faruque, M. R. I., Almasoud, F. I., Sayyed, M. I., Sulieman, A. and Jojo, P. J. (2020). Radiation dose to the Malaysian populace via roasted ground and instant coffee consumption. Radiation Physics and Chemistry, 173; 108886.
Mansour, H., Abd El-Azeem, S.A. and Harpy, N. M. (2017). Distribution of Natural Radionuclides for Sedimentary Rock Samples from Southwestern Sinai and Their Environmental Impacts, Egypt. Int J Recent Sci Res., 8; 1715-21721.
Mendell, M. J., Mirer, A. G., Cheung, K., Tong, M. and Douwes, J. (2011). Respiratory and allergic health effects of dampness, mold, and dampness-related agents: a review of the epidemiologic evidence. Environ Health Perspect., 119(6); 748-756.
NEA-OECD (1979). Nuclear Energy Agency (NEA) Paris.
Roy, W. S. (1995). Airborne dust and its significance to soils. Geoderma. 65; 1- 43.
Saleh, A., El-Taher, A.and Mansour, H. (2018). Assessment of radiological parameters and metal contents in soil and stone samples from Harrat Al Madinah, Saudi Arabia. MethodsX, 5; 485-494.
Tufail, M., Akhtar, N. and Waqas, M. (2005). Measurement of Terrestrial Radiation for Assessment of Gamma Dose from Cultivated and Barren Saline Soils of Faisalabad in Pakistan. Radiation Measurement. 41; 443-451.
Ulken T. B., Hatice Og., Makbule E., Funda T., Gulen G. and Sibel O. (2022). Assessment of Indoor Air Quality in Schools from Anatolia, Turkey. Pollution, 8(1); 57-67.
UNSCEAR, (2000). The United Nations scientific committee on the effects of atomic radiation, Health Phys, New York, 79; 314 (REPORT Vol. II, Sources and Effects of Ionizing Radiation. United Nations, New York).
UNSCEAR, (2008). Sources and effects of ionizing radiation. United Nations Scientific Committee on the Effects of Atomic Radiation. UNSCEAR 2008 Report to the General Assembly, with Scientific Annexes. Volume II: Sources. New York NY: United Nations.
USEPA, (2011). Particulate Matter (PM) Research. United States: Environment Protection Agency.
Violet, P., Dudu, M. M. and Munyaradzi, M. (2018). Assessment of heavy metals and radionuclides in dust fallout in the West Rand mining area of South Africa. Clean Air Journal, 28(2).