I. D

226Ra

232Th

40K

226Ra/232Th

SA1

74 ± 7.85

63.00 ± 6.70

146.2 ± 15.16

1.17

SA2

56.83 ± 6.77

42.96 ± 4.44

131 ± 13.39

0.78

SA3

33.06 ± 4.53

40.74 ± 4.94

146.4 ± 16.2

2.13

SA4

60.16 ± 6.52

153.5 ± 16.47

168.57 ± 17.30

1.56

SA5

29.12 ± 5.42

92.33 ± 8.79

108.57 ± 11.14

1.09

SA6

30.09 ± 3.86

102.3 ± 9.02

116.01 ± 13.24

0.57

SA7

26.71 ± 5.95

47.62 ± 6.21

103.44 ± 10.36

1.42

SA8

33.26 ± 4.49

46.92 ± 6.36

100.35 ± 9.65

0.71

SA9

71,6 ± 7.08

47.7 ± 6.19

140.3 ± 14.52

2.25

SA10

103.81 ± 11.28

118.3 ± 11.60

N.D

0.87

Average

51.86 ± 5.14

75.56 ± 7.36

128.98 ± 12.05

1.305

Max

103.81

153.5

168.57

2.25

Min

26.71

40.74

100.35

0.57

S.D

5.14

7.36

12.05

0.16