Radon levels in drinking water and soil samples of Jodhpur and Nagaur districts of Rajasthan, India

Mittal, Sudhir; Rani, Asha; Mehra, Rohit

doi:10.1016/j.apradiso.2016.04.017

Cited by 32 publications

(13 citation statements)

References 20 publications

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“…In general, 222 Rn concentrations evaluated in the present study are around the same levels as those presented by other authors (Table 5). However, in comparison to similar T ranges, published works showed lower 222 Rn concentrations (<50 Bq/L) than those found here [45][46][47]. According to this work, the authors found a slight trend towards lower radon concentration with increasing temperature in water [48].…”

Section: Discussioncontrasting

confidence: 46%

Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico

et al. 2017

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Abstract:Water in arid and semi-arid environments is characterized by the presentation of complex interactions, where dissolved chemical species in high concentrations have negative effects on the water quality. Radon is present in areas with a high uranium and radium content, and it is the main contributor of the annual effective dose received by humans. The objective of this study was to evaluate concentrations of 222 Rn and the water quality of spring waters. Water was classified as calcium sulfated and sodium sulfated. Most of the water samples with high radon concentrations presented higher concentrations of sulfates, fluorides, and total dissolved solids. 222 Rn concentrations may be attributed to possible enhancement of 226 Ra due to temperature and salinity of water, as well as evaporation rate. In 100% of the sampled spring waters the 222 Rn levels exceeded the maximum acceptable limit which is proposed by international institutions. Aridity increases radiological risk related to 222 Rn dose because spring waters are the main supply source for local populations. The implementation of environmental education, strategies, and technologies to remove the contaminants from the water are essential in order to reduce the health risk for local inhabitants.

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Section: Discussioncontrasting

confidence: 46%

Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico

et al. 2017

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“…in first formula Eing, CRn, Cw and (EDC) are the annual effective dose caused ingestion, the radon activity in water (Bql -1 ), water consumption for adult for a year (2 l.day -1 × 365 day.year -1 ) and Effective Dose Coefficient for ingestion 3.5 nSvBq -1 respectively (Mittal, Rani, & Mehra, 2016).…”

Section: Resultsmentioning

confidence: 99%

“…In the second formula Einh, CRn, Ra.w, EF, O and (DCF) are the effective dose due to inhalation, the radon activity in water (Bql -1 ), ratio of the radon in air to radon in tap water (10 -4 ), average indoor occupancy time per person (7000 hy -1 ) and Dose Conversion Factor for radon exposure 9 nSvh -1 (Bqm -3 ) -1 respectively (Mittal et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

“…Radon gas can threaten human health by being found in high concentrations in its ambient. It can be occurred by the concentration of 226 Ra in the building materials, penetration of the radon gas from the ground through the voids and cracks in the ambient and dissemination of radon dissolved in tap water by ventilation (Duggal et al, 2017;Mittal et al, 2016). Because of its contribution to the radon concentration in the environment, it is important to determine the radon gas levels in the water (Singh et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

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Determination of Radon Gas Activity Levels in Drinking Water in Ahlat/Bitlis

Kuluöztürk

Büyüksaraç²,

Özbey³

et al. 2017

Bitlis Eren University Journal of Science and Technology

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A B S T R A C TRadon gas ( 222 Rn) that is a radioactive noble gas is second important reason of lung cancer. The penetration of the radon gas into the houses mostly takes place through the cracks in the building and tap water. Because of these reasons, radon gas detection in water is important for human health. In this study radon gas activity levels have been determined in a total of 14 tap water and spring water samples taken from different parts of Ahlat/Bitlis by AlphaGuard active radon detection system. Radon gas activities ranged from 3.16 Bql -1 to 15.68 Bql -1 and mean value is 10.11 Bql -1 .

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“…Water contain radionuclides as natural components in various concentrations depending on their origin as discussed by different researchers (Duggal, Sharma, & Mehra, 2017;In acio, Soares, & Almeida, 2017;Mittal, Rani, & Mehra, 2016;Nevinsky, Tsvetkova, & Nevinskaya, 2015;Thabayneh, 2015). Radon levels in water has been studied by previous studies (Alonso et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Radiological assessment of wastewater treatment processes based on the use of coal ashes as a filters

Taoufiq

Laamyem

Boukhair

et al. 2018

Journal of Radiation Research and Applied Sciences

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a b s t r a c tCoal Fly Ash and Coal Bottom Ash are a solid waste generated from coal combustion. Recently, the management of these wastes has become an important subject for environmental researchers. Due to their physical and chemical characteristics, coal ashes were used in different fields like building material, agriculture and wastewater treatment. In the present investigation, a radiological assessment of Waste Water Treatment Plant (WWTP) based on the use of coal ashes as filters was performed. The WWTP under investigation uses four stages of treatment: Coal Fly Ash filtration, Coal Bottom Ash filtration and sand filtration. Radiation risk of coal ashes was evaluated by 2 techniques: Dosimetry alpha based on the use of LR115 detector and gamma ray spectrometer. The surface exhalation rate in coal ash samples were found to be below the world average 57600 mBq•m À2 h À1 and most of the coal ash samples show the value of Raeq less than the allowed upper limit of 370 Bq kg À1 . Moreover, the radon concentration of water samples during the treatment were evaluated for each stage in order to identify if there was any impact of coal ashes on the treated water. Radon activity of treated water remains in the standards with a average value of 196 ± 13 (Bq/m 3 ) less far than the permissible limit (11100 Bq/m 3 ). The obtained results indicate that the radiological characteristics of the treated water was not influenced by radiological characteristics of coal ashes. It be concluded that coal ashes from TAQA Morocco are a safe materials and did not present a significant radiological risk which make them a suitable material for wastewater treatment.

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Radon levels in drinking water and soil samples of Jodhpur and Nagaur districts of Rajasthan, India

Cited by 32 publications

References 20 publications

Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico

Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico

Determination of Radon Gas Activity Levels in Drinking Water in Ahlat/Bitlis

Radiological assessment of wastewater treatment processes based on the use of coal ashes as a filters

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