Table 3 Descriptive statistical results for the heavy metals in the soil.

From: Human health-risk assessment of heavy metal–contaminated soil based on Monte Carlo simulation

HM

Range

Mean

CV

Background value of Xinjiang soil

National standard

(mg·kg-1)

(mg·kg-1)

(%)

(mg·kg-1)

(mg·kg-1)

Zn

20.63–132.06

55.34

0.22

68.8

250

Cu

6.38–119.19

27.16

0.36

26.7

100

Cr

9.06–71.25

37.31

0.28

49.3

200

Pb

36.25–129.38

79.60

0.24

19.4

120

Hg

0.01–0.06

0.03

0.28

0.017

2.4

  1. Background values are based on the background values for soil elements in Xinjiang (Zhang et al.49). National standard values are based on soil environmental quality standards (GB 15,618–2018).