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Table 2 Annual effective dose rate contribution to lungs and stomachs

From: Radon emanation and heavy-metals assessment of historical warm and cold springs in Nigeria using different matrices

 

Water id

Sample

Mean (Bq L−1)

Ingestion (μSv year−1)

Inhalation (μSv year−1)

Lungs

Stomach (μSv year−1)

Total effective dose (μSv year−1)

Infant

Children

Adult

Infant

Children

Adult

Infant

Children

Adult

1

Bottled

B1

0.25

0.09

0.07

0.05

0.63

0.08

0.01

0.008

0.006

0.09

0.088

0.086

2

B2

0.22

0.08

0.06

0.05

0.55

0.07

0.01

0.007

0.006

0.08

0.077

0.076

3

B3

0.36

0.13

0.09

0.08

0.91

0.11

0.02

0.010

0.010

0.130

0.120

0.120

4

B4

0.11

0.04

0.03

0.02

0.28

0.03

0.005

0.004

0.003

0.035

0.034

0.033

5

B5

0.07

0.03

0.02

0.01

0.17

0.02

0.004

0.003

0.002

0.024

0.023

0.022

6

Cold

C1

35.0

12.25

9.19

7.35

88.20

10.58

1.47

1.10

0.88

12.05

11.68

11.46

7

C2

46.7

16.35

12.26

9.81

117.70

14.12

1.96

1.47

1.18

16.08

15.59

15.3

8

C3

58.4

20.44

15.33

12.26

147.20

17.66

2.45

1.84

1.47

20.11

19.50

19.13

9

C4

35.0

12.25

9.19

7.35

88.20

10.58

1.47

1.10

0.88

12.05

11.68

11.46

10

C5

105.0

36.75

27.56

22.05

264.60

31.75

4.41

3.31

2.65

36.16

35.06

34.40

11

C6

210.1

73.54

55.16

44.13

529.50

63.54

8.82

6.62

5.30

72.36

70.16

68.84

12

C7

35.0

12.25

9.19

7.35

88.20

10.58

1.47

1.10

0.88

12.05

11.68

11.46

13

C8

93.7

32.80

24.60

19.68

236.12

28.33

3.94

2.95

2.36

32.27

31.28

30.69

14

C9

46.7

16.35

12.26

9.81

117.70

14.12

1.96

1.47

1.18

16.08

15.59

15.30

15

C10

93.6

32.76

24.57

19.67

235.87

28.30

3.95

2.95

2.35

32.25

31.25

30.65

16

Warm

W1

93.4

32.69

24.52

19.61

235.37

28.24

3.92

2.94

2.34

32.16

31.18

30.58

17

W2

35.0

12.25

9.19

7.35

88.20

10.58

1.47

1.10

0.88

12.05

11.68

11.46

18

W3

140.0

49.00

36.75

29.40

352.80

42.34

5.88

4.41

3.53

48.22

46.75

45.87

19

W4

117.0

40.95

30.71

24.57

294.60

35.38

4.91

3.69

2.95

40.29

39.07

38.33

20

W5

105.0

36.75

27.56

22.05

264.60

31.75

4.41

3.31

2.65

36.16

35.06

34.40

21

W6

11.7

4.09

3.07

2.46

29.48

3.54

0.49

0.37

0.30

4.03

3.91

3.84

22

W7

81.7

28.60

21.45

17.16

205.88

24.71

3.43

2.57

2.06

28.14

27.28

26.77

23

W8

35.0

12.25

9.19

7.35

88.20

10.58

1.47

1.10

0.88

12.05

11.68

11.46

24

W9

70.0

24.50

18.38

14.70

176.40

21.17

2.94

2.21

1.76

24.11

23.38

22.93

25

W10

105.0

36.75

27.56

22.05

264.60

31.75

4.41

3.31

2.65

36.16

35.06

34.40