Sample code

Radioactivity concentration (Bq/kg)

²²⁶Ra

²³²Th

⁴⁰K

Soil 1

591.34 ± 0.0005

100.22 ± 0.001

948.93 ± 0.0004

Soil 2

4220.41 ± 0.0004

77.22 ± 0.001

248.65 ± 0.0006

Soil 3

57.03 ± 0.0004

15.30 ± 0.001

12.18 ± 0.0004

Soil4

704.21 ± 0.0005

82.53 ± 0.002

569.67 ± 0.0005

Soil 5

1571.29 ± 0.0004

13.55 ± 0.002

54.79 ± 0.0006

Soil 6

560.76 ± 0.0005

23.66 ± 0.002

172.72 ± 0.0005

Soil 7

779.30 ± 0.0006

87.21 ± 0.002

569.14 ± 0.0005

Soil 8

1250.81 ± 0.0005

125.57 ± 0.002

654.47 ± 0.0005

Soil 9

381.36 ± 0.0005

86.44 ± 0.002

641.97 ± 0.0004

Soil 10

924.90 ± 0.0005

130.46 ± 0.002

685.53 ± 0.0005

Range

57.03 - 4220.41

13.55 - 130.46

12.18 - 948.93

Average

1104.14

74.21

455.80