Assessment of Radiological Parameters and Heavy-Metal Contents of Sediment Samples from Lower Niger River, Nigeria

Faweya, E. B.; Oniya, Ebenezer O.; Ojo, Fatimah Oyenike

doi:10.1007/s13369-013-0549-6

Cited by 16 publications

(7 citation statements)

References 19 publications

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“…The enrichment factor (EF) of the heavy metals in Algae, water and sediments samples were calculated using equation ( 2) and Iron as the tracer, the results are as shown in Tables 7, 8, 9 and Figures 4, 5, 6 respectively. The result of Table 7 and Figure 4 when compared with the standards given in table 2 ( (Faweya et al, 2013;Akpan and Thompson, 2013) indicates on average the following: Pb, Ni, Cu, Zn and Mn showed significant enrichment; Hg extremely high enrichment; Fe showed no enrichment and Cr showed moderate enrichment.…”

Section: Enrichment Factormentioning

confidence: 90%

“…The result of Table 8 and Figure 5 when compared with the standards given in Table 2 (Faweya et al, 2013;Akpan and Thompson, 2013) indicates on average the following: Ni, Cu, Zn, Mn and Fe showed no enrichment; Cr showed minimal enrichment; Pb showed significant enrichment and Hg showed extremely high enrichment.…”

Section: Enrichment Factormentioning

confidence: 96%

“…Generally, the value of enrichment factor in Table2 evaluates the level of impartation of the sample by the metals. Extremely high (Faweya et al, 2013;Akpan and Thompson, 2013).…”

Section: Enrichment Factor (Ef)mentioning

confidence: 99%

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Assessment of Heavy Metal Pollution of Water, Sediments and Algae in River Benue at Jimeta-Yola, Adamawa State, Nigeria

Tyovenda

Ikpughul

Sombo

2019

Nig Ann pure App Sci

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Heavy metal pollution of water, sediments and Algae in the upper region of River Benue at Jimeta-Yola, Adamawa state, Nigeria was assessed. The concentrations of the heavy metals (Pb, Hg, Ni, Cu, Cr, Zn, Mn, Fe) in the samples were analyzed using Atomic Adsorption Spectrometer. Pollution parameters such as enrichment factor, contamination factor, pollution load index and geo-accumulation index were evaluated. The result of heavy metal analysis showed that, the concentration (ppm) of the metals in water samples ranged as follows: Pb(0.25-0.50), Hg(0.00-2.00), Ni(0.10-0.31), Cu(0.03-0.13), Cr(0.00-1.33), Zn(0.01-0.04), Mn(0.03-0.06) and Fe(105.15-118.75) respectively. This result when compared with the EPA maximum permissible limits for drinking water showed that, all the metals except Cu and Zn had values above the permissible limits. The evaluation of enrichment factor revealed that, Hg showed extremely high enrichment while Pb showed significant enrichment for Algae, water and sediment samples. The contamination factor showed low contamination for all metals except Hg which showed considerable contamination for sediments, water and Algae samples. The pollution load index for sediments, water and Algae indicated no pollution. The geo-accumulation index of the metals in sediments, water and Algae indicates no or minimal pollution. The samples were enriched with Hg and Pb. These metals are capable of causing various types of cancer, brain and kidney damage among other ailments.

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Section: Enrichment Factormentioning

confidence: 90%

Section: Enrichment Factormentioning

confidence: 96%

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Assessment of Heavy Metal Pollution of Water, Sediments and Algae in River Benue at Jimeta-Yola, Adamawa State, Nigeria

Tyovenda

Ikpughul

Sombo

2019

Nig Ann pure App Sci

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“…The specific activity of the radioactive elements in granite rocks is calculated using formula (2.2) [27][28][29][30][31][32].…”

Section: Specific Activity Calculation Of Radioactive Elements In Gra...mentioning

confidence: 99%

Estimation of granite radiation hazards of Deh Siahan village in Rafsanjan city

2022

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There are villages in Rafsanjan city (Kerman, Iran) that are nearby or located on radioactive granite rock, unfortunately. In this study, by measuring the 232Th, 238U and 40K radioactive elements, the amount of radiation hazards caused by radioactive granite rock. For the residents Deh Siahan village has been investigated. The results show that the radiation hazard parameters of Deh Siahan village are higher than the permissible values announced by the UNSCEAR reports. For example, the total effective dose rates of Deh Siahan village was determined to be 0.30 ± 0.01 mSv/y. The calculated values of the excess lifetime cancer risks (ELCR) for Deh Siahan village is 10.51 ± 0.03× 10-4. The average absorbed dose rate in air for Deh Siahan village is 156.68 ± 4.01 nGy/h for the whole studied samples, this value is about 285% of the maximum level recommended by (ICRP60, 1991) to the public (1 mSv/y), so there is high radiological risk for the peoples in those village.

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“…The River serves as the main source of water for domestic and industrial uses in towns and villages along its course. The River has become polluted along its route to the Atlantic Ocean as a result of influential human activities such as fertilizers application in irrigation farming, washing, waste discharge (11)…”

Section: Study Areamentioning

confidence: 99%

Excessive-life time cancer risks due to concentration of radionuclides and quantification of contamination of sediments from dredged portion of Niger River Nigeria

Faweya

Adewumi

2021

Int J Radiat Res

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Background: River Niger is the principal river of Western African and is Africa's third longest river. The dredged project covers 572 km of the lower Niger, extending from Baro in Niger State to Warri Bifurcation in Delta State. Materials and Methods:The current study estimated the activity concentrations of naturally occurring radionuclides and heavy metals concentrations in the sediment samples from Lower Niger River using gamma -ray and Atomic Absorption spectrometric techniques. Results: The weighted activity concentrations of radionuclides 40 K (231± 21 Bq kg -1 ), 232 Th (10±1 Bq kg -1 ), 226 Ra (75±17 Bq kg -1 ), were obtained in the sediment samples. The radium equivalent, absorbed dose rate, hazardous indices and excessive-life time cancer risk were compared with the international recommended limits. Conclusion:The measured heavy metal concentrations, contamination factor, pollution load index and quantification of contamination indicated that sediment samples from the River were moderately contaminated.

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Assessment of Radiological Parameters and Heavy-Metal Contents of Sediment Samples from Lower Niger River, Nigeria

Cited by 16 publications

References 19 publications

Assessment of Heavy Metal Pollution of Water, Sediments and Algae in River Benue at Jimeta-Yola, Adamawa State, Nigeria

Assessment of Heavy Metal Pollution of Water, Sediments and Algae in River Benue at Jimeta-Yola, Adamawa State, Nigeria

Estimation of granite radiation hazards of Deh Siahan village in Rafsanjan city

Excessive-life time cancer risks due to concentration of radionuclides and quantification of contamination of sediments from dredged portion of Niger River Nigeria

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