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Radiotoxicity risks of radium-226 (226Ra) on groundwater-based drinking at Dawaki, Kuje, Giri and Sabon-Lugbe area of Abuja, North Central Nigeria

Maxwell, O. and Wagiran, H. and Zaidi, E. and Joel, E. S. and Tenebe, I. T. and Oha, I. A. and Onwuka, O. S. (2016) Radiotoxicity risks of radium-226 (226Ra) on groundwater-based drinking at Dawaki, Kuje, Giri and Sabon-Lugbe area of Abuja, North Central Nigeria. Environmental Earth Sciences, 75 (14). ISSN 1866-6280

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Abstract

In this study, 226Ra and heavy metal concentrations were studied to represent the radiotoxicity risk of groundwater of Abuja, North Central Nigeria. Groundwater samples were collected from five areas in Abuja, and measurements were taken by using inductively coupled plasma mass spectrometer. Radium (226Ra) concentrations were determined from 0.067 to 0.216 µg/L. The mean annual effective dose from the natural radionuclide of 226Ra for the inhabitants was estimated to be 2.2 × 10−5 mSv. In addition, life average daily dose and cancer mortality risk were calculated. As a result, radiological risks of 226Ra in groundwater are quite low, typically in the magnitude of 10−7 when compared with the international reference dose level.

Item Type:Article
Uncontrolled Keywords:Heavy metals, Inductively coupled plasma, Mass spectrometers, Radium, Abuja, Chemical toxicity, Heavy metal concentration, Inductively coupled plasma mass spectrometer, Mean annual effective dose, Natural radionuclides, North Central Nigeria, Radiological risks, Groundwater, cancer, concentration (composition), drinking water, estimation method, groundwater, heavy metal, mortality risk, radionuclide, radium isotope, sampling, toxicity, Abuja Nigeria, Nigeria
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:72378
Deposited By: Narimah Nawil
Deposited On:20 Nov 2017 16:23
Last Modified:20 Nov 2017 16:23

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