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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 Distribution of PTEs in river Hooghly

From: Spatiotemporal distribution of potentially toxic elements in the lower Gangetic delta and their implications for non-carcinogenic health risk management

 

Parameter

Al

Cd

Co

Cr

Cu

Fe

Mn

Ni

Pb

Zn

Summer

Mean

8306.5

6.5

25.0

27.8

41.0

7659.7

158.7

35.1

13.2

52.0

Std. deviation

4721.2

3.9

16.0

15.8

22.9

4516.9

93.1

18.8

7.9

28.2

25th Percentiles

6132.4

4.1

15.3

19.1

33.8

5060.4

124.0

27.1

8.9

41.3

50th Percentiles

8493.0

6.4

23.1

28.6

40.4

7783.2

165.8

36.8

12.7

56.5

95th Percentiles

15,197.0

14.7

54.7

54.4

76.4

16,429.0

308.9

63.2

27.4

99.4

Monsoon

Mean

7471.6

5.7

21.0

21.8

34.9

6667.8

132.4

29.0

10.8

42.0

Std. deviation

5409.0

4.3

16.7

16.7

26.1

4969.7

103.0

20.6

8.3

29.6

25th Percentiles

915.1

1.1

3.3

3.5

3.6

1068.9

11.3

4.5

1.9

4.5

50th Percentiles

7981.5

5.7

19.9

22.4

37.4

7136.1

129.4

31.4

11.8

51.7

95th Percentiles

15,454.0

14.7

52.4

52.6

76.4

16,429.0

310.4

60.1

27.4

84.8

Winter

Mean

9482.90

8.69

30.87

32.89

51.18

9183.40

193.18

45.34

15.78

66.38

25th Percentiles

3885.38

4.21

15.78

16.84

22.32

4132.27

92.92

23.14

7.64

27.60

50th Percentiles

7572.70

5.61

18.68

20.75

38.78

7293.00

145.54

34.11

11.98

56.91

95th Percentiles

9236.80

8.39

29.45

31.47

46.50

8563.20

184.50

42.30

14.42

66.03

25th Percentiles

15,882.00

17.71

61.16

66.46

88.15

15,645.00

375.47

93.88

31.69

113.77

  1. All values are in µg/l