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 |