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Table 4 Water pollution indices

From: Pollution evaluation, sources and risk assessment of heavy metals in hand-dug wells from Ejisu-Juaben Municipality, Ghana

Sample number

Cd

HPI

HEI

1

26.80

461.23

29.88

2

6.47

322.45

8.51

3

10.00

321.52

12.14

4

5.87

322.90

8.09

5

8.47

319.55

10.82

6

8.73

327.39

11.07

7

0.42

325.25

2.43

8

2.60

319.20

3.93

9

12.87

515.63

15.88

10

0.80

321.65

2.25

11

7.00

324.37

9.76

12

3.00

319.50

4.78

13

4.24

688.05

6.25

14

0.26

334.10

2.94

15

11.72

527.13

14.75

16

3.27

320.65

5.85

17

19.00

344.47

21.67

18

11.80

325.41

14.28

19

4.73

321.00

6.19

Maximum

26.80

688.05

29.88

Minimum

0.26

319.20

2.25

Mean

7.79

374.47

10.08