Seasonal variation of indoor radon/thoron and their progeny levels in lesser-Himalayas of Jammu &amp; Kashmir, India

Kumar, Ajay; Vij, Raman; Sharma, Sumit; Sarin, Amit

doi:10.1007/s10967-019-06935-6

Cited by 6 publications

(1 citation statement)

References 29 publications

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“…In India, some recent studies in different parts of the country show that the average value of 222 Rn and 220 Rn equilibrium factors in the indoor atmosphere varied from 0.2 to 0.7 and from 0.013 to 0.13, respectively. 34–47…”

Section: Resultsmentioning

confidence: 99%

Inhalation dose from exposure to radon, thoron and their progeny in indoors around a nuclear power generation facility in Uttar Pradesh, India

Kumar

Agrawal

et al. 2021

Indoor and Built Environment

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Radon, thoron and their progeny concentration have been measured in dwellings located within a 90 km2 area around a nuclear power plant using solid-state nuclear track detectors. Time-integrated measurements were carried out on a four-month cycle, making three measurements in each dwelling throughout the year. In total, 145 dwellings were selected for the study. The measured values of gas and their progeny concentrations were used to determine the equilibrium factor for radon and thoron indoors and annual inhalation dose. The average value of the equilibrium factor indoors was found to be 0.44 ± 0.23 for radon and 0.015 ± 0.010 for thoron. The annual inhalation dose for the public living around this plant was found to be 0.97 ± 0.55 mSv. Results were analysed for different seasons and different categories of dwellings for their construction type.

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