Table 1 Physical features of the soil sample.

From: Soil column-experimental research on the migration pattern of petroleum pollutant in the soil

Depth (cm)

Specific gravity

Density (g/cm3)

Porosity (%)

pH value of leached water

Water content (%)

Organic matter content (mg/g)

10

2.66

1.143

57.03

8.2–8.3

11.41

28.42

20

2.50

1.270

49.20

15.52

9.32

30

2.66

1.478

44.44

16.68

3.62

40

2.43

1.496

38.44

15.93

3.21