n = 35

Minimum

Maximum

Mean

Std. deviation

Ph

6.30

7.37

6.83

±0.39

TOC mg/kg

2.33

5.98

4.59

±1.57

TPH mg/kg

4.51

76.68

26.07

±30.95

V mg/kg

<0.001

<0.001

-

-

Ni mg/kg

5.34

9.10

8.89

±1.33

Fe mg/kg

7009

9725

7667

±2234