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The activity concentration of the natural radionuclides 232Th, 238U, and 40K in soil samples collected from different locations of Ho Chi Minh City, Vietnam was measured. At District 1, the average activity concentration of primordial radionuclides 232Th, 238U, and 40K were 25 ± 2, 33 ± 1, and 215 ± 7 Bq kg−1, respectively. At District 5, the corresponding values were 22 ± 1, 23 ± 1, and 198 ± 6 Bq...
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