The lead concentration ranged from 5161 mg/kg to 6874mg/kg;the mean concentration was 6031 mg/kg, the standard deviation was 434 mg/kg, and the coefficient of variation was 7.2%,which was relatively even among the soil samples.
The lead concentration ranged from 5161 mg/kg to 6874mg/kg;themean concentration was 6031 mg/kg, the standard deviation was434 mg/kg, and the coefficient of variation was 7.2%,which wasrelatively even among the soil samples.