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Table 15 Comparison of trace elements concentration with other regions

From: Estimation of pollution indices and hazard evaluation from trace elements concentration in coastal sediments of Kerala, Southwest Coast of India

Region

Trace elements concentration (ppm)

Reference

As

Cd

Cu

Cr

Mn

Zn

Ni

Pb

Ti

Fe

Coastal Kerala

0.00006–0.171

0.00007–0.00027

0.0052–0.0334

0.03–0.57

0.12–4.2

0.09–3.39

0.0034–0.0357

0.0047–0.096

0.09–2.93

5.05–248.62

Present study

China

8–23

41–173

54–1040

27–74

2.10–2.95

Mei et al. (2011)

Iraq

0.87–2.35

10.35–30.52

36.45–120.11

136.05–312.11

14.96–130.25

39.98–103.98

8.02–32.69

928.7–3441.05

Salah et al. (2012)

Madurai

1.24–4.32

10.4–18.16

13.6–34.50

22.24–45.6

11.52–14.80

20.42–42.37

Sarala and Vidya (2013)

Malaysia

3.6–65.9

0.09–1.1

1.5–66.2

1.7–126.0

12.4–430

1.8–56.0

8.2–39.0

5160–43,200

Elias et al. (2018)

Jordan

7.51–17.22

7.51–50.21

23.85–124.23

113.30–325.22

225.57–1711.84

18.51–79.99

Odat (2013)

Jharkhand

0.2–0.7

21.6–93.2

17–67

353–993

78–188

27.4–98.3

17.1–38.4

23,947–50,691

Pandey et al. (2016)

Ghaziabad

0.11–1.1

4.05–67.6

3.6–111.7

41.6–677.5

20.6–282

12.8–165

5.6–69.6

10,865–24,873

Chabukdhara et al. (2016)

Iran

2.89–5.02

9.67–16.65

40–87.50

47–124.75

17.36–32.13

3.74–5.24

Vaezi et al. (2015)