No.

Sample Size

Concentration Range (Bq/m³)

AVG (Bq/m³)

SD

1

12

13.6 - 34.6

21.33

5.63

2

12

11.3 - 28.3

18.7

5.24

3

12

11.3 - 29.2

20.51

5.71

4

12

15.9 - 29.8

22.03

4.58

5

12

15.1 - 31.4

22.89

6.45

6

12

15.1 - 27.5

19.77

4.19