Location

No. of samples

Mean activity concentration in (Bq/kg)

²²⁶Ra

²³²Th

⁴⁰K

North

5

22.4 ± 1.5

6.6 ± 1.4

229 ± 12

Center

5

25.2 ± 1.7

81.0 ± 1.7

245 ± 7

South

5

21.1 ± 1.4

6.7 ± 1.3

255 ± 18

North-East

4

19.3 ± 1.3

4.0 ± 1.5

226 ± 11

North-West

4

23.0 ± 1.7

1.1 ± 1.8

222 ± 10

South-East

4

28.3 ± 2.3

45.7 ± 1.5

235 ± 14

South-West

4

26.6 ± 1.8

7.5 ± 1.7

230 ± 13

East

2

17. 4 ± 1.2

8.0 ± 1.3

218 ± 11

Min

17. 4 ± 1.2

1.1 ± 1.8

218 ± 11

Max

28.3 ± 2.3

81.0 ± 1.7

255 ± 18

Average

23 ± 1.6

20 ± 1.4

233 ± 12