Radiological risk assessment and characteristics of 210Po in selected water sources in Quang Nam and Da Nang, Vietnam

Van-Hao Duong, Tien Chu Trung, Hung Danh Tran, Oanh Nguyen Thi, Duc Do Xuan, Hoang Ha Nguyen Thi, Hung Dinh Viet
Author affiliations

Authors

  • Van-Hao Duong VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam
  • Tien Chu Trung VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam
  • Hung Danh Tran Hanoi University of Mining and Geology (HUMG), Hanoi 100000, Vietnam
  • Oanh Nguyen Thi VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam
  • Duc Do Xuan VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam
  • Hoang Ha Nguyen Thi Vietnam Japan University, Vietnam National University, Hanoi, Vietnam
  • Hung Dinh Viet VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam

DOI:

https://doi.org/10.15625/2615-9783/19080

Keywords:

210Po, Radiological risk assessment, drinking water, Quang Nam, Da Nang

Abstract

210Po, one of the harmful natural isotopes with a long enough half-life, plays a significant role in environmental processes. 48 samples, including groundwater (dug wells, thermal water, and drill wells) and surface water (lakes, rivers, and streams) in the Da Nang - Quang Nam region of Vietnam were analyzed by an alpha spectrometer. Relatively low activities of 210Po have been observed, whose mean values ranged from 0.15 to 4.58 and 1.34 mBq.L-1. There is no significant variation in 210Po activities between groundwater and surface water groups. The average 210Po activity of those groups is 1.28 and 1.40 mBq.L-1, respectively. The geological conditions of the study area, neutral pH values, and predominant oxidizing conditions supported the low 210Po activities in the selected water sources. Average annual effective doses for adults, children, and infants due to the consumption of water containing 210Po were found to be 1.15, 1.21, and 2.94 µSv.y-1, respectively.

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Published

05-10-2023

How to Cite

Hao Duong, V.-., Chu Trung, T., Danh Tran, H., Nguyen Thi, O., Do Xuan, D., Ha Nguyen Thi, H., & Dinh Viet, H. (2023). Radiological risk assessment and characteristics of 210Po in selected water sources in Quang Nam and Da Nang, Vietnam. Vietnam Journal of Earth Sciences. https://doi.org/10.15625/2615-9783/19080

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