S/N

Sample ID

Activity concentrations (Bq·kg⁻¹)

K-40

SD

Ra-226

SD

Th-232

SD

1

CSS

29.07

0.35

47.10

1.00

0.47

0.35

2

SS 1

147.48

1.61

26.93

4.00

49.35

2.52

3

SS 2

187.91

2.63

16.86

2.36

53.08

2.20

4

SS 3

131.60

3.38

21.38

2.48

77.77

1.57

5

SS 4

120.45

1.82

77.56

1.20

62.12

1.22

6

SS 5

107.74

4.72

43.55

2.88

75.26

1.53

7

CCS

232.26

4.99

50.23

1.16

60.91

1.26

8

CS 1

113.96

3.97

9.03

1.44

63.85

1.10

9

CS 2

289.32

4.02

48.11

4.04

55.79

1.73

10

CS 3

258.54

5.09

8.39

1.80

66.49

1.38

11

CS 4

103.55

0.39

45.58

1.12

52.53

1.10

12

CS 5

184.53

6.01

14.26

1.52

36.02

1.53

13

OC

157.67

1.88

15.58

2.60

48.40

1.97

Min

29.07

0.35

8.39

1.00

0.47

0.35

Max

289.32

6.01

77.56

4.04

77.77

2.52

Mean

158.78

3.14

32.66

2.12

54.00

1.50