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Environmental radioactivity and associated radiological hazards in surface soils in Ho Chi Minh City, Vietnam

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Assessment of environmental radioactivity in surface soils in Ho Chi Minh city, Vietnam has been conducted to establish a baseline data of natural activity concentrations and associated radiologial hazards in the city. Soil samples were collected at 120 locations distributed widely in the city. The activity concentrations of 226Ra, 232Th and 40K are within the range of 9.6–48.5, 14.8–59.6 and 10.9–637 Bq kg−1, with the average values of 21.1 ± 1.3, 36.6 ± 1.3 and 279 ± 29, respectively. Radium equivalent activity varies from 48.2 to 142 Bq kg−1, with the average value of 94.9 Bq kg−1. Associated radiological hazards are much lower than the safety limits.

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This research was performed as part of the employment of the authors at Dalat Nuclear Research Institute and Duy Tan University.

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Correspondence to Dinh-Khoa Tran or Hoai-Nam Tran.

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Tran, DK., Truong, Y., Le, NS. et al. Environmental radioactivity and associated radiological hazards in surface soils in Ho Chi Minh City, Vietnam. J Radioanal Nucl Chem 326, 1773–1783 (2020).

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