LIFE AVERAGE DAILY DOSE OF RADIUM-226 ON SOME WATER SAMPLES COLLECTED AT GIRI AND KUJE AREA OF ABUJA, NORTH-CENTRAL NIGERIA

226Ra concentrations were studied to represent the radiological risk of groundwater of the Giri and Kuje areas of Abuja, North-Central Nigeria. Two borehole water samples were collected from the Giri and Kuje areas of Abuja with a hand-dug well and Abuja Water Board as control. Inductively Coupled P...

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Bibliographic Details
Published in:WIT Transactions on Ecology and the Environment 2017-01, Vol.216, p.261
Main Authors: MAXWELL, OMEJE, Sunday, Joel Emmanuel, ADEWOYIN OLUSEGUN OLADOTUN, AKINWUMI SAYO AKINLOYE, EMENIKE, PRAISEGOD CHIDOZIE, IMOKHAI THEOPHILUS TENEBE, OFUYATAN, OLATOKUNBO, OKOLIE TOBIAS SOCIIS, HUSIN WAGIRAN
Format: Article
Language:English
Subjects:
Boreholes
Drinking water
Groundwater
Inductively coupled plasma mass spectrometry
Intrusion
Mass spectrometry
Mass spectroscopy
Outcrops
Quarries
Radioisotopes
Radium
Radium 226
Radium isotopes
Radium radioisotopes
Toxic diseases
Toxicity
Water analysis
Water sampling
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Summary:226Ra concentrations were studied to represent the radiological risk of groundwater of the Giri and Kuje areas of Abuja, North-Central Nigeria. Two borehole water samples were collected from the Giri and Kuje areas of Abuja with a hand-dug well and Abuja Water Board as control. Inductively Coupled Plasma Mass Spectrometry (ICP-MS) was used to measure the concentrations of radionuclide of 226Ra exposed to the dwellers. The activity concentrations of 226R in groundwater supplies for drinking and domestic purposes ranges from 443 µBq L‒q to 849 µBq L–1, with the highest value of 849 µBq L–1 found at the Kuje borehole; the lowest value of 443 µBq L‒q was reported at the Giri borehole. This higher activity value found at the Kuje borehole may be attributed to a basaltic dyke intrusion that outcrops in the region which is used for a quarry. The concentration was used to calculate the Life Average Daily Dose of 226Ra individuals collected in the area, which was estimated to be 5.0 × 10–3 μg kg‒k day‒d and was found to be lower than the International Reference Level. This present study recommends further research on 226Ra levels and exposure to inhabitants via groundwater for a comprehensive conclusion to be drawn for future toxicity and toxicological health-related diseases.
ISSN:1746-448X
1743-3541
DOI:10.2495/WS170251