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Measurement and evaluation of natural radioactivity in phosphogypsum in industrial areas from Romania

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Abstract

The present work is directed to characterize the phosphogypsum (PG) wastes by means of in situ atmospheric radon measurements, gross-alpha and gamma-ray spectrometry measurements. The average radon concentrations in three locations: Valea Calugareasca, Navodari and Turnu Magurele are 21.88 ± 3.19, 26.56 ± 2.90 and 33.43 ± 3.64 (Bq × m−3), respectively. The γ-ray measurements showed that the total activities are 1510.62 ± 148.08, 1838.77 ± 165.04, 1363.83 ± 147.96 (Bq × kg−1). The results shows in all cases elevated levels of radon and 226Ra for PG samples, indicating the necessity to find suitable routes to reduce its radiation impact on the surrounding environment.

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Acknowledgments

This study was supported by the PNCDI II Program, Project No. PN 09 37 03 01/2014, by the Romanian Ministry for Education and Research. Many thanks to Dr. E. Botezatu—CNCAN Accredited Expert in Radiological Protection, for support.

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Correspondence to I. Radulescu.

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Calin, M.R., Radulescu, I. & Calin, M.A. Measurement and evaluation of natural radioactivity in phosphogypsum in industrial areas from Romania. J Radioanal Nucl Chem 304, 1303–1312 (2015). https://doi.org/10.1007/s10967-015-3970-3

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