scholarly journals Determination of radiological hazard indices from surface soil to individuals in Angwan Kawo Gold Mining Sites, Niger state, Nigeria

2019 ◽  
Vol 23 (8) ◽  
pp. 1541
Author(s):  
S.O. Esiole ◽  
I.G.E. Ibeanu ◽  
N.N. Garba ◽  
M.A. Onoja
Keyword(s):  
Gold Mining ◽  
Surface Soil ◽  
Radiological Hazard ◽  
Hazard Indices ◽  
Mining Sites ◽  
Radiological Hazard Indices

scholarly journals Determination of radionuclide concentrations in cigarette tobacco by using Thallium-doped NaI (TI) scintillate technique

2020 ◽  
Vol 25 (2) ◽  
pp. 81
Author(s):  
Dalia Khawwam Kamil ◽  
, Asma Ahmad Aziz
Keyword(s):  
Health Risk ◽  
Specific Activity ◽  
Annual Effective Dose ◽  
Radiation Risk ◽  
Internal Exposure ◽  
Radiological Hazard ◽  
Hazard Indices ◽  
Cigarette Tobacco ◽  
Radium Equivalent

This study includes the determination of natural and industrial radionuclides concentrations in different samples of cigarette tobacco. The radionuclides are U238, Th332 series and K40, as well as industrial radionuclides of Cs137.Radiation risk coefficients were calculated. The results showed that the specific activity rates of Ra226, Bi207, Ac228, K40, and Cs137 were within the global limit. The radiological hazard radium equivalent Raeq , intake dose (Dɣ), annual effective dose for external and internal exposure (AEDEout and AEDEin), health risk external and internal hazard indices data (Hex and Hin) and gamma risk radiation were all lower than the allowable global limits   http://dx.doi.org/10.25130/tjps.25.2020.033

Calculation of Radiation Nuclei Concentrations in Fertilized and Unfertilized Plants Samples Using Gamma Spectroscopy

2021 ◽  
Vol 19 (2) ◽  
pp. 13-18
Author(s):  
Adawiya M. ALwan ◽  
Auday T. Al-Bayati ◽  
Khalid H. Mahdi ◽  
Hazim L. Mansour
Keyword(s):  
Gamma Spectroscopy ◽  
Petri Dish ◽  
Radiological Hazard ◽  
Hazard Indices ◽  
Plant Samples ◽  
Radiological Hazard Indices

The aim of this work was to estimate the concentrations of natural and artificial nuclides in some fertilized and unfertilized plant samples. These samples were collected and prepared in a petri dish for the measurements using gamma spectroscopy. The average values of 238U, 232Th, 40K, and 137Cs for the unfertilized plant samples were (11.964 ± 3.226, 8.273 ± 2.639, 402.436 ± 18.099, and 2.761 ± 1.613) respectively, and for the fertilized plant samples were (30.434 ± 5.282, 22.584 ± 4.620, 711.332 ± 25.806, and 6.986 ± 2.542) respectively. The average values of radiological hazard indices, Raeq, D, D for 137Cs, (AEDE)in, (AEDE)out, Iγ, Hin, and Hout for the unfertilized plant samples were (54.782 ± 7.216, 27.306, 0.469, 0.134, 0.033, 0.431, 0.180, and 0.148) respectively, and for the fertilized plant samples were (117.502 ± 10.747, 57.364, 1.188, 0.281, 0.070, 0.903, 0.400, and 0.317) respectively. The present results have indicated that the fertilized plant samples have more concentrations than the unfertilized plant samples.

EVALUATION OF RADIATION DOSES AND HAZARD INDICES IN CRUSHED ROCKS FROM SOME QUARRIES IN IBADAN SOUTHWESTERN NIGERIA

2019 ◽  
Vol 187 (3) ◽  
pp. 383-389 ◽  
Author(s):  
S K Alausa ◽  
F O Eluyera ◽  
J O Coker
Keyword(s):  
Health Effect ◽  
Radiation Doses ◽  
Radiological Hazard ◽  
Hazard Indices ◽  
Southwestern Nigeria ◽  
Activity Concentrations ◽  
The Mean ◽  
Radiological Health ◽  
Radiological Hazard Indices ◽  
Radioactivity Levels

Abstract The radiological assessment of rock samples from four quarry sites in Ibadan have been carried out. The mean activity concentrations of 40K, 226Ra and 232Th were 377.0 ± 37.9, 17.7 ± 3.6 and 4.98 ± 2.1 Bq kg−1, respectively, for Ratcon Quarry (RQ); 408.0 ± 28.7, 16.6 ± 1.6 and 10.6 ± 2.3 Bq kg−1, respectively, for Dekit Quarry; 388.0 ± 26.6, 15.7 ± 1.9 and 9.85 ± 3.9 Bq kg−1, respectively, for Hajaig Quarry; and 388.084 ± 55.9, 16.2 ± 3.9 and 12.1 ± 3.8 Bq kg−1, respectively, for NSCE Quarry (NQ). The highest mean outdoor effective dose of 0.038 ± 0.005 mSv y−1 and the minimum of 0.033 ± 0.004 mSv y−1 were obtained at NQ and RQ, respectively. The radiological hazard indices recorded in each site were <1.0. The results show lower radioactivity levels than the world average values; therefore, no serious radiological health effect is expected when the crushed rocks from the quarries are used for buildings construction.

scholarly journals Radiation dose risk variability and its implication in industrial and mining regions, NW Nigeria

2021 ◽  
Author(s):  
Ologe Oluwatoyin ◽  
◽  
Joseph Aisabokhae ◽  
Keyword(s):  
Hazard Analysis ◽  
Absorbed Dose ◽  
Mean Value ◽  
Hazard Evaluation ◽  
Radiological Hazard ◽  
Hazard Indices ◽  
Mining Site ◽  
Mean Values ◽  
Mining Sites ◽  
Radiological Indices

The study area located in the southern part of Kebbi State, northwestern Nigeria, has witnessed intense mining activities and upscale industrialization in recent years. These events have necessitated deeper and insightful studies into radiological hazard evaluation to mitigate associated adverse consequences and enforce protective measures in the environment. A total of 45 sampled locations each were taken for both industrial and mining sites in northwestern Nigeria to determine the concentration of Potassium-40, Thorium-232 and Uranium-238 radionuclides as applied to radiological hazard analysis. The mean value of the absorbed dose in the industrial site was 90 nGy/h, whereas the mining site recorded a mean value of 210 nGy/h. Other radiological indices such as radium equivalent factor, external risk assessment, internal index and representative gamma index recorded mean values of 187.68, 0.507, 0.547 and 0.768 respectively, whereas the same hazard indices presented higher values of 412.58, 1.114, 1.231 and 1.675 respectively in the mining site. The variability studies showed that the dose risk ratio of the industrial region to the mining region is 1:2. The mining site presented radiological hazard indices higher than the recommended global threshold hence should be classified as a restricted zone to forestall health-related crises which may manifest among local dwellers.

RADIOLOGICAL HAZARD INDICES OF GRANITIC ROCKS USED FOR THE CONSTRUCTION OF BUILDINGS FROM NUBA MOUNTAINS SUDAN

2018 ◽  
Vol 179 (4) ◽  
pp. 364-369 ◽  
Author(s):  
Nooreldin Fadol ◽  
Hajo Idriss ◽  
Isam Salih ◽  
Nserdin A Ragab ◽  
Safa Osman ◽  
...  
Keyword(s):  
Granitic Rocks ◽  
Radiological Hazard ◽  
Hazard Indices ◽  
Radiological Hazard Indices
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