Sample type

D (μGy/h)

Ra_eq (k Bq∙kg ⁻¹)

ER (mR/h)

min

max

mean

min

max

mean

min

max

mean

I

0.16

67.74

16.57

0.27

146.55

32.30

0.55

281.29

61.69

II

0.19

11.43

4.87

1.56

24.92

12.78

2.76

46.93

22.48

III

2.47

2.88

2.68

5.83

6.79

6.31

9.48

11.08

10.28

IV

28.29

74.69

51.49

66.23

175.52

120.89

108.32

285.05

196.69