Table 1 Statistical summary of HMs in soils of Jiedong (mg/kg).

From: Characterizing pollution and source identification of heavy metals in soils using geochemical baseline and PMF approach

 

Cr

Hg

As

Pb

Ni

Cd

Cu

Zn

Co

V

Minimum

4.80

0.03

0.80

18.60

2.70

0.05

2.90

36.50

1.67

20.70

Maximum

117.20

1.05

120.00

122.70

34.80

1.39

63.50

316.30

16.10

131.38

Mean

30.79

0.16

13.00

53.89

10.08

0.26

14.73

80.38

5.64

54.84

Median

28.65

0.08

9.07

53.65

8.70

0.23

13.25

80.8

5.12

53.08

Standard deviation

15.86

0.16

28.71

19.17

4.47

0.16

8.75

37.65

2.75

18.30

Coefficient of variation

0.52

1.02

2.21

0.36

0.47

0.61

0.59

0.47

0.49

0.33

Grade IIa

150

0.3

40

250

40

0.3

50

200

—

—

  1. aData from CEPA (1995).
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