Table 5 The highlighted values are vulnerable values using Eqs. (8 and 9).

From: Distance and weightage-based identification of most critical and vulnerable locations of surface water pollution in Kabul river tributaries

Location

WD

AK

NG

KK

JR

BR

PR

NK

RR

IR

VL

Total alkalinity

 − 

20

80

86

40

 − 

5

 − 

25

35

5

Sodium

24.8

13.7

24.9

32.9

16.5

 − 

 − 

32.9

33.55

6.5

6.5

Calcium

18

 − 

17.5

4

 − 

 − 

 − 

4

 − 

 − 

4

Total hardness

82

64

 − 

57

75

 − 

75

57

111

20

20

Magnesium

105

83

104.8

73

92

 − 

 − 

73

105.55

7

7

Nitrite

 − 

 − 

1

 − 

 − 

 − 

 − 

 − 

 − 

 − 

1

Sulfate

221.86

202.84

222.09

210.38

196.03

210.38

196.03

210.38

196.03

196.03

196.03

Chloride

227

241

239

242

239

237

233

237

233

244

227

Phosphate

0.43

0.67

0.7

0.66

0.44

0.47

0.37

0.57

0.37

0.66

0.37

Arsenic

0.035

0.029

0.046

0.04

0.025

0.04

0.029

0.038

0.029

0.029

0.025

TSS

21

2

7

17

12

 − 

7

3

15

7

2

TDS

140

64

140

180

107

261

107

180

122

39

39

Electric conductivity

20

 − 

40

110

 − 

250

 − 

110

 − 

 − 

20

DO

9

0.6

1.5

 − 

4

1

4

4

 − 

4

0.6

BOD

4

3

3

3

2

 − 

2

3

2

2

2

COD

245

245

246

246

245

243

245

245

245.7

245

243

Turbidity

5

5

5

4

3

 − 

3

4

3

4

3