Assessment of Radiation Hazard Indices Caused by Naturally Occurring Radionuclides in Granite Samples from Selected Quarry Site in Kano State, Northwest Nigeria

Oladunjoye, O. I.; Yinusa, T.S.; Ajekiigbe, K. M.; Oketayo, Oyebamiji Oyedele

doi:10.1134/s1066362222050101

Radiochemistry

2022

DOI: 10.1134/s1066362222050101

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Assessment of Radiation Hazard Indices Caused by Naturally Occurring Radionuclides in Granite Samples from Selected Quarry Site in Kano State, Northwest Nigeria

O. I. Oladunjoye

T.S. Yinusa

K. M. Ajekiigbe

et al.

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Cited by 2 publications

References 33 publications

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Evaluation of natural radioactivity and assessment of dose increase due to the use of fertilizers produced in Poland

Szaciłowski

2023

J Radioanal Nucl Chem

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Some types of fertilizers may contain various amounts of natural radionuclides like 238U, 232Th, 226Ra, 40K (Kuzmanoviæ et al. in J Radioanal Nucl Chem 331(12):5825–5834, 2022. 10.1007/s10967-022-08646-x; H Hamamo et al. in J Radioanal Nucl Chem 194(2): 331–336, 1995. 10.1007/BF02038431; M García-León et al. in J Radioanal Nucl Chem 197(1): 173–184, 1995. 10.1007/BF02040229). In this study 16 samples of commercially available fertilizers produced in Poland were selected for preliminary radiological evaluation. The samples were measured by means of low background gamma spectrometry. The results showed high concentrations of 40K in potassium and multinutrient fertilizers (2.3–13.8 kBq kg−1), and relatively high concentrations of uranium and radium isotopes in phosphate fertilizers. The obtained results allowed to calculate radium equivalent activity, absorbed dose rate increase and increase in annual effective dose equivalent.

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Evaluation of natural radioactivity and assessment of dose increase due to the use of fertilizers produced in Poland

Szaciłowski

2023

J Radioanal Nucl Chem

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Assessment of Radioactivity in Building Materials

Jafir,

Hussein,

Nadir

et al. 2024

ARO

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This research investigates the radioactivity levels of various rock types used in construction within the Kurdistan region and assesses their potential impact on human health, the measurements were performed using an HPGe gamma-ray spectrometer. The measured activity concentrations of 226Ra, 232Th, and 40K radionuclides varied from ND (Chromitite) to 78.68 ± 4.54 Bq/kg (Marly Limestone), ND (Chromitite) to 109.52 ± 10.23 Bq/kg (Mudstone), and ND (Chromitite) to 2973.6 ± 152.1 Bq/kg (Claystone), respectively. The obtained Raeq values for all rock samples are well below the UNSCEAR, 2008 recommended value of 370 Bq/kg. 71.43% of DR, 66.66% of Eout, 71.43% of Ein, 100% of Hinand Hout, 71.43% of ELCRout, 71.43% of ELCRin, and 100% of activity utilization index of the rock samples are well below the recommended values declared by UNSCEAR, 2008. The radioactivity level of rock types that are prepared as building materials should be assessed by the producers and considered by the users to reduce the overall cancer risk. The outcomes of the RESRAD-BUILD computer code indicate that the maximum external and inhalation doses were calculated to be 19.7 and 0.105 μSv for R7 and R1 samples, respectively, over a period of 70 years.

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Assessment of Radiation Hazard Indices Caused by Naturally Occurring Radionuclides in Granite Samples from Selected Quarry Site in Kano State, Northwest Nigeria

Cited by 2 publications

References 33 publications

Evaluation of natural radioactivity and assessment of dose increase due to the use of fertilizers produced in Poland

Evaluation of natural radioactivity and assessment of dose increase due to the use of fertilizers produced in Poland

Assessment of Radioactivity in Building Materials

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