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Radiation Dose Due to Naturally Occurring Radionuclides in Soils from Varying Geological Environments

Huang, Feng-Yun J.; Hsu, Fang-Yuh; Chen, Tzung-Yuang; Chao, Jiunn-Hsing1

doi: 10.1097/HP.0000000000001001

Field radiation monitoring and radionuclide analysis of soils were performed at various geological areas in Taiwan. The field-observed dose rate was 0.031–0.107 μGy h−1. The dose rate ascribed to naturally occurring radionuclides in soils that were geologically characterized varied from 0.002 to 0.079 μGy h−1. A linear correlation was observed between the activity-derived and field-observed dose, which indicated that the absorbed dose rate from the cosmic rays is almost constant (0.030 μGy h−1) throughout the flat area on the island.

1Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu 30013, Taiwan.

The authors declare no conflicts of interest.

For correspondence contact J.H. Chao at the above address, or email at

(Manuscript accepted 15 September 2018)

© 2019 by the Health Physics Society