Location

No. sample

Absorbed dose (nGh−1)

Annual effective dose (mSv/y)

226Ra

232Th

40K

Total

(AEDE)outdoor

(AEDE)indoor

North

5

9.56

4.08

9.85

23.49

0.03

0.12

Center

5

10.77

50.46

10.54

71.78

0.09

0.35

South

5

9.02

4.17

10.98

24.18

0.03

0.12

North-East

4

8.22

2.49

9.73

20.45

0.03

0.10

North-West

4

9.80

0.70

9.56

20.06

0.02

0.10

South-East

4

12.10

28.47

10.12

50.70

0.06

0.25

South-West

4

11.34

4.67

9.90

25.91

0.03

0.13

East

2

7.40

4.98

9.39

21.78

0.03

0.11

Min

7.40

0.70

9.39

20.06

0.02

0.10

Max

12.10

50.46

10.98

71.78

0.09

0.35

Average

9.8

12.5

10

32.3

0.04

0.16