Table 2 Statistical values of radon, thoron EERC, EETC, AEDR and AEDT in Nainital, Almora and Bageshwar regions.

From: Features, reasons, and significance of radon and thoron attributable radiological dose in the indoor environment

 

Radon

Bq/m3

Thoron

Bq/m3

EERC

Bq/m3

EETC

Bq/m3

AEDR

mSv/y

AEDT

mSv/y

Nainital

Range

15–69

10–107

09–43

0.1-4.0

0.6–2.7

BDL-1.1

AM

37

39

22

1.2

1.4

0.3

SD

11

17

6

1.1

0.4

0.3

GM

35

35

21

0.7

1.0

0.2

Quartile I

27

26

18

0.3

1.1

0.1

Quartile III

45

46

25

2.1

2.1

0.6

Skewness

1.07

0.93

0.20

-0.16

0.20

-0.16

Kurtosis

0.92

0.56

-0.03

-0.71

-0.03

-0.71

Almora

Range

27–184

9-182

07–55

BDL-4.1

0.4–3.5

BDL-1.1

AM

82

65

26

1.9

1.7

0.5

SD

32

36

10

1.0

0.6

0.3

GM

77

56

24

1.5

1.5

0.4

Quartile I

61

39

20

1.2

1.3

0.3

Quartile III

95

86

34

2.5

2.5

0.7

Skewness

0.50

1.19

0.65

1.04

0.65

1.04

Kurtosis

-0.29

2.56

0.85

-0.23

0.85

-0.23

Bageshwar

Range

23–114

26–194

10–44

0.7–5.6

0.6–2.8

0.2–1.6

AM

53

76

23

2.2

1.5

0.6

SD

19

39

7

1.0

0.4

0.3

GM

50

68

22

1.9

1.4

0.6

Quartile I

42

47

19

1.4

1.2

0.4

Quartile III

62

102

26

2.7

1.7

0.8

Skewness

1.3

1. 1

1.0

0.72

0.72

1.04

Kurtosis

1.8

0.7

1.2

0.71

0.71

1.16

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