Sample area code

Number of samples collected

Sampling area, km20

Activity, Bq/kg

Radium equivalent activity, (Raeq) in Bq∙kg −1

^232Th

^238U

^40K

A

4

1.00

4.32 ± 2.04

5.80 ± 1.92

276.14 ± 46.70

33.24 ± 3.40

B

4

1.00

5.63 ± 1.86

6.78 ± 2.25

405.39 ± 84.53

46.04 ± 5.52

C

4

1.00

7.03 ± 2.29

6.08 ± 1.23

324.42 ± 70.37

41.11 ± 4.75

D

4

1.00

8.42 ± 2.23

6.83 ± 1.59

287.93 ± 76.28

41.04 ± 8.04

E

4

1.00

10.07 ± 4.31

6.75 ± 3.02

281.74 ± 119.85

42.84 ± 14.55

F

4

1.00

9.35 ± 5.51

8.86 ± 1.60

361.70 ± 117.59

50.08 ± 18.37

G

4

1.00

8.96 ± 3.21

7.77 ± 1.44

455.26 ± 101.45

55.64 ± 7.39

H

4

1.00

6.97 ± 3.65

7.89 ± 1.30

259.89 ± 54.69

37.86 ± 6.61

J

4

1.00

8.43 ± 0.33

6.30 ± 1.82

242.56 ± 89.52

37.03 ± 7.61

K

4

1.00

6.84 ± 1.12

9.75 ± 5.62

287.13 ± 98.99

41.64 ± 13.41

L

4

1.00

6.62 ± 2.61

5.93 ± 0.70

436.01 ± 40.84

48.96 ± 6.08

M

4

1.00

6.37 ± 0.68

5.71 ± 1.16

330.39 ± 21.92

40.25 ± 1.65

N

4

1.00

9.70 ± 5.47

6.13 ± 0.68

308.68 ± 116.39

43.76 ± 16.76

P

4

1.00

2.74 ± 2.59

6.07 ± 2.40

349.51 ± 70.58

36.91 ± 2.73

Q

4

1.00

9.70 ± 3.70

8.51 ± 2.73

405.47 ± 155.79

53.60 ± 17.31

R

4

1.00

7.49 ± 2.78

8.72 ± 2.26

398.65 ± 33.46

50.13 ± 6.43

S

4

1.00

6.71 ± 1.63

7.93 ± 0.24

330.12 ± 49.75

42.94 ± 3.89

T

4

1.00

10.66 ± 5.89

10.53 ± 3.51

425.98 ± 131.73

58.57 ± 18.03

U

4

1.00

8.33 ± 3.20

7.73 ± 1.75

380.98 ± 168.08

48.97 ± 16.99

V

4

1.00

8.96 ± 12.51

6.36 ± 3.62

440.90 ± 151.62

53.12 ± 32.96

W

4

1.00

6.54 ± 4.26

6.85 ± 1.33

450.12 ± 52.19

50.86 ± 9.57

X

4

1.00

9.34 ± 5.98

9.05 ± 4.68

380.08 ± 264.93

51.67 ± 29.07

Y

4

1.00

9.31 ± 5.13

11.96 ± 2.81

231.27 ± 86.67

43.07 ± 11.16

Z

4

1.00

12.34 ± 3.14

8.53 ± 2.09

311.59 ± 33.34

50.17 ± 5.64

a

2

0.50

7.70 ± 0.86

5.61 ± 1.61

438.06 ± 143.71

50.34 ± 10.68

b

2

0.50

9.75 ± 5.96

5.54 ± 0.32

472.49 ± 57.64

55.85 ± 3.77

d

2

0.50

8.73 ± 4.47

4.04 ± 1.05

369.76 ± 115.25

45.00 ± 1.44

e

2

0.50

6.98 ± 0.07

6.78 ± 1.77

404.28 ± 82.71

47.89 ± 8.24

g

1

0.25

9.89 ± 0.00

5.75 ± 0.00

407.13 ± 0.00

51.24 ± 0.00

h

2

0.50

8.65 ± 0.64

8.58 ± 2.57

387.28 ± 42.80

50.76 ± 6.78

j

2

0.50

9.83 ± 0.14

6.12 ± 2.27

372.98 ± 32.05

48.89 ± 0.40

n

2

0.50

6.87 ± 0.69

7.61 ± 0.08

333.28 ± 32.51

43.09 ± 1.59

q

2

0.50

5.18 ± 0.71

6.46 ± 2.55

286.89 ± 11.60

35.95 ± 4.46

r

2

0.50

8.54 ± 1.34

4.94 ± 1.21

324.75 ± 10.59

42.15 ± 1.53

t

2

0.50

8.27 ± 2.07

8.78 ± 1.49

259.57 ± 128.33

40.58 ± 11.35

Total

117

Average

8.03 ± 1.91

7.23 ± 1.67

354.81 ± 67.06

46.04 ± 6.28