Radiological indices estimation from radon concentration in selected groundwater supplies in Abeokuta, south western Nigeria

Farai, I. P.; Muritala, Abubakar Adekunle; Oni, Olatunde Michael; Samuel, Tunde Daniel; Aremu, Abraham Adewale

doi:10.1016/j.apradiso.2022.110534

Cited by 9 publications

(2 citation statements)

References 9 publications

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“…where AED W ig is the effective dose for ingestion, CRnW is the radioactivity concentration in water (Bq/L), C W is the weighted estimate of water consumption and EDC is the effective dose coefficient for ingestion (3.5 × 10 −9 Sv/Bq). The weighted estimate of water consumption (C W ) was assumed to be 60 L/year, as reported in literature [31] and assumes that the end user will consume 60 L of water annually [58].…”

Section: Radiological Risk Assessmentmentioning

confidence: 99%

Evaluation of the Radon Levels in the Groundwater Wells of Qatar: Radiological Risk Assessment

Manawi,

Ahmad,

Subeh

et al. 2023

Water

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The objective of this work is to give a holistic overview of the groundwater quality in Qatar in terms of its radon levels and provide a radiological risk assessment of elevated radon levels on human health. This study covered the analysis of groundwater collected from various locations throughout Qatar and maps using ArcGIS followed by a radiological risk assessment of radon in Qatar. There is no extensive study reported to investigate radon activity levels in groundwater across Qatar and their health effects. The radon level measurements of the Qatari groundwater ranged between 2.7 ± 0.2 and 60.7 ± 13.4 Bq/L with a mean value of 20.6 Bq/L, which is greater than the US EPA’s maximum contamination level (11 Bq/L). About 65% of the studied samples exceeded the US EPA’s MCL guidelines. The mean total annual effective dose due to radon inhalation and ingestion was 0.056 mSv/y, which is below the WHO reference level of 0.1 mSv/y. The radon radiological risk study through inhalation and ingestion clearly revealed that the contribution of the inhalation dose was higher than the ingestion dose.

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Section: Radiological Risk Assessmentmentioning

confidence: 99%

Evaluation of the Radon Levels in the Groundwater Wells of Qatar: Radiological Risk Assessment

Manawi,

Ahmad,

Subeh

et al. 2023

Water

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“…The RnC in drinkable water was widely below the reference level established by the European Union Commission. Farai et al (2023) examined the radon concentration in fifty-eight (58) drinking water samples in different locations in Abeokuta. Twenty-five (25) samples from hand-dug wells and thirty-three (33) from boreholes were analyzed using the RAD7 radon monitor system.…”

Section: Resultsmentioning

confidence: 99%

A Review of Radon Concentration in Water Sources in Nigeria and its Impact

Bashir,

Kanu, F. C.,

Suleiman, I. K.

2023

USci

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Given the characteristics of radon, people may unwittingly be exposed to radon through water ingestion. Research on radon concentration has increased over the years due to its negative impact on the body being the major causes of lung cancer. This study reviewed twenty (20) journal publications on radon concentration in water sources (such as well, boreholes, stream and taps) in Nigeria from year the 2016 to 2023. The type of sample, sample location, devices used, the range and mean values of radon concentration (RnC) and annual effective dose (AED) were considered. From the reviewed journals, the average values of RnC ranged from 1.9 Bq/L to 88.0 Bq L-1. When compared with WHO and US EPA recommended limits of 100 Bq L-1 and 11.1 Bq L-1 respectively, all reviewed journals recorded average values of RnC below 100 Bq L-1 and 75 % of the reviewed journals recorded average values of RnC above US EPA recommended limit of 11.1 Bq L-1. The mean AED reported is within the range of 0.02 mSv yr-1 and 92 mSv yr-1 with 30 % above the recommended limit of 0.1mSv yr-1. This result shows that the majority of the radon concentration in water sources in Nigeria reported may not pose any immediate health risk. However, there is a need for continuous monitoring and protective measures to be taken.

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Naturally Occurring Radon Levels: The Outcomes of Environmental Assessments in Kadhimiya (Baghdad, Iraq) Soil Samples

Ahmed,

Mohammed,

Abdaljalil

2024

Water Air Soil Pollut

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Radiological indices estimation from radon concentration in selected groundwater supplies in Abeokuta, south western Nigeria

Cited by 9 publications

References 9 publications

Evaluation of the Radon Levels in the Groundwater Wells of Qatar: Radiological Risk Assessment

Evaluation of the Radon Levels in the Groundwater Wells of Qatar: Radiological Risk Assessment

A Review of Radon Concentration in Water Sources in Nigeria and its Impact

Naturally Occurring Radon Levels: The Outcomes of Environmental Assessments in Kadhimiya (Baghdad, Iraq) Soil Samples

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