Out-door radiation level measurement in Abeokuta, Nigeria, by thermoluminescent dosimetry

Farai, I. P.; Vincent, U E

doi:10.4314/njphy.v18i1.38091

Cited by 15 publications

(18 citation statements)

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“…High radionuclides concentrations have been envisaged in water resources of the study area . Also, the geological formation of the area is known to be associated with elevated concentrations of radionuclides (Olurin et al, 2012;Farai and Vincent 2006). Similar studies have confirmed same in other part of the world (Bajwa et al, 2015;Jurgens et al, 2010;Believermis et al, 2009;UNSCEAR, 2000).…”

Section: Discussion On Activity Concentrations Of the Water Samplessupporting

confidence: 71%

“…Also, the study area is characterized with varying degrees of geologic formations (Adekunle et al, 2013). Rocks formation known for poor groundwater bearing properties and high concentrations of radionuclides are embedded in this vicinity (Farai and Vincent, 2006). Even, high level of radionuclides concentrations have been anticipated in part of the study area .…”

Section: Introductionmentioning

confidence: 99%

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Radiological Risks Assessment of Ogun State Drinking Water

Achuka¹,

Rachael²,

David³

2017

American Journal of Applied Sciences

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Section: Discussion On Activity Concentrations Of the Water Samplessupporting

confidence: 71%

Section: Introductionmentioning

confidence: 99%

Radiological Risks Assessment of Ogun State Drinking Water

Achuka¹,

Rachael²,

David³

2017

American Journal of Applied Sciences

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“…Based on the annual effective dose, excess lifetime cancer risk was calculated as follows (8): (2) Excess lif etime cancer risk = E × mean duration of lif e (DL)…”

Section: Methodsmentioning

confidence: 99%

“…Cosmogenic radionuclides are born when cosmic radiations that are highly energetic and come from the sun and galactic radiation strike to the atmosphere, producing secondary radiation and uncharged particles such as protons, neutrons, pions and low-Z nuclei. In turn, the secondary particles produce cascade particles in the atmosphere (1)(2)(3). Human body irradiation from the external sources is largely due to radionuclides in uranium and thorium series and potassium-40 and their decay products that emit gamma radiation (1,4).…”

Section: Introductionmentioning

confidence: 99%

Assessment of Outdoor and Indoor Background Gamma Radiation, the Annual Effective Dose and Excess Lifetime Cancer Risk in Birjand, Iran

Zarghani

Jafari

2016

Jundishapur J Health Sci

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Background: The health implication of exposure to gamma radiation in the outdoor and indoor environments has become a major concern worldwide. Methods: This study was conducted in the city of Birjand where three stations and buildings were randomly selected to measure the background radiation in outdoor and indoor places; for this purpose, GM detector (X5C plus) was used. All dose rates on the display of the survey meter were recorded, and the mean of all data in each station and buildings was computed and taken as the measured dose rate of that particular station. Results:The average dose rate of background radiation was 71.8 nSv/h for outdoor and 82.0 nSv/h for indoor environments, and the maximum and minimum dose rates were 79.6 nSv/h and 61.7 nSv/h for outdoor measurements and 112.9 nSv/h and 70.8 nSv/h for indoor measurements, respectively. Conclusions:The results revealed that the annual effective dose is 0.49 mSv, which is similar to that of the global level (0.48 mSv).

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“…Exposure to ionizing radiation also arises from other terrestrial radionuclides present in trace levels in all soil types. Radiation emitted by these radionuclides within 15-30 cm of the top soil reach the earth surface [8]. Only those radionuclides with half lives comparable to the age of the earth, and their decay product exist in significant quantities in these materials.…”

Section: Introductionmentioning

confidence: 99%

Determination of Ionizing Radiation Exposure Levels within Four Local Mining Sites Selected from Sardauna Local Government Area of Taraba State - Nigeria

Ayua¹,

Tyovenda²,

Igyuse³

et al. 2017

IJP

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Miners and the people living close to mining sites are exposed to elevated levels of ionizing radiation with or without their consent. This study determined the background ionizing radiation of four mining sites from Sardauna local government area of Taraba state using an inspector alert nuclear radiation meter manufactured by S.E. International, Inc USA with serial number 35440. The meter has a halogen-quenched Geiger Muller tube with a ± 45 mm effective diameter and mica window density of 1.5-2.0 mg/cm 3 . The Geiger tube in the meter generates a pulse of electrical current each time radiation is incident on the tube and causes ionization. The measured values ranged from 0.19 -0.40 mSv/yr across all the mining sites and 500 m away from the sites. These results were found to be far less than the standard of 1.0 mSv/yr set by International Commission on Radiological Protection (ICRP) for the general public and 20.0 mSv/yr set by the Nigeria Basic Ionization Radiation Regulation (NiBIRR) for the whole body of adult radiation protection workers which means that the miners and inhabitants of this areas are safe. Nevertheless, there could be long term variations in the consequences arising from the effects of ionizing radiation among the miners and even the inhabitants. Strong correlations were found between the equivalent doses at the excavating and the processing points of the sites which mean that the miners and people living close to these mining sites are subjected to uniform distribution of consequences arising from ionizing radiation. We do recommend that policy makers and regulatory bodies should apply mitigation measures to the effects by means of creating awareness to the miners at various mining sites and the use of modern mining strategies to protect other natural resources especially water.

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Out-door radiation level measurement in Abeokuta, Nigeria, by thermoluminescent dosimetry

Cited by 15 publications

References 0 publications

Radiological Risks Assessment of Ogun State Drinking Water

Radiological Risks Assessment of Ogun State Drinking Water

Assessment of Outdoor and Indoor Background Gamma Radiation, the Annual Effective Dose and Excess Lifetime Cancer Risk in Birjand, Iran

Determination of Ionizing Radiation Exposure Levels within Four Local Mining Sites Selected from Sardauna Local Government Area of Taraba State - Nigeria

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