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Outdoor 222Radon concentrations monitoring in relation with particulate matter levels and possible health effects

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Abstract

Air quality monitoring could potentially improve exposure estimates for use in epidemiological studies. We investigated air quality by monitoring concentrations of 222Rn near the ground and particulate matter (PM) with an aerodynamic diameter less than or equal to 10 μm (PM10) and 2.5 μm (PM2.5) for Bucharest-Magurele periurban area. Atmospheric radon concentrations have been continuously monitored near the ground at 1 m height as well as at 10 m height. This paper presents time-series of radon concentrations monitoring in air near the ground measured during 1 January 2011–1 January 2012 by use of solid state nuclear track detectors SSNTD CR-39, exposed for 10 days periods. The daily average atmospheric radon concentration near the ground registered at 1 m height was found to be in range of 40.25 ± 7.53 Bq/m3, which was comparable with the daily average radon concentration of 44.92 ± 9.94 Bq/m3 recorded for period 1 August 2011–20 December 2011 at 10 m height by AlphaGUARD Radon monitor. Also, was done a comparative analysis of spatio-temporal variations in time series of outdoor radon concentration and PM in two size fractions (PM10 and PM2.5) in Bucharest Magurele area for 2011 year. The predominant recorded component in PM10 was PM2.5. Observational results show that recorded yearly average PM2.5 and PM10 concentrations were 35.96 μg/m3 and 40.91 μg/m3, respectively. The average ratio of PM2.5/PM10 was 87.9 % at this sampling site. However, in densely populated Bucharest urban and suburban areas the mean daily EC limit values for PM10, PM2.5 and attached 222Rn are frequently exceeded leading to serious public concern during the last years. The ambient air pollution measurements like as PM10 and PM2.5 levels are used as a proxy for personal exposure levels. Have been investigated also meteorological effects on the temporal patterns of atmospheric radon and particle matter.

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Acknowledgments

This work was supported by the NUCLEU Program and PN II-PCCA Program of Romanian Ministry of Education, Research, Youth and Sport.

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Authors and Affiliations

  1. National Institute of Research and Development for Optoelectronics, 409 Atomistilor Street, PO Box MG5, 077125, Magurele, Ilfov, Romania

    Maria A. Zoran

  2. University of Medicine and Pharmacy of Craiova, Craiova, Romania

    Mariana Rodica Dida

  3. University of Medicine and Pharmacy of Bucharest, Bucharest, Romania

    AlexandraTeodora Zoran

  4. University Politehnica of Bucharest, Bucharest, Romania

    Liviu Florin Zoran

  5. Romsilva, Bucharest, Romania

    Adrian Dida

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  1. Maria A. Zoran
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  2. Mariana Rodica Dida
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Correspondence to Maria A. Zoran.

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Zoran, M.A., Dida, M.R., Zoran, A. et al. Outdoor 222Radon concentrations monitoring in relation with particulate matter levels and possible health effects. J Radioanal Nucl Chem 296, 1179–1192 (2013). https://doi.org/10.1007/s10967-012-2259-z

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  • DOI: https://doi.org/10.1007/s10967-012-2259-z

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