From: Effects of soil properties and biosurfactant on the behavior of PAHs in soil-water systems
Property | Under plant | Ditch | |
---|---|---|---|
pH(CaCl2) | 6.96 | 7.02 | |
Organic matter | 8.65 | 4.3 | |
C:N ratio | 12.55 | 8.98 | |
Cation exchange capacity (cmol/kg) | 29.34 | 38.79 | |
Coarse sand >0.25 mm (%) | 14.5 | 2.4 | |
Fine sand 0.25–0.02 (%) | 42.5 | 35.6 | |
Silt 0.02–0.002 mm (%) | 15 | 25 | |
Clay < 0.002 mm (%) | 28 | 37 | |
Classificationa | Sand loam | Clay loam | |
Clay mineralogy (% wt) | Smectite | 6.2 | 7.8 |
Illites | 9.3 | 9.6 | |
Kaolinite | 2.4 | 2.9 | |
Quartz | 54.8 | 42.7 | |
Potash feldspar | 13.5 | 23.6 | |
Plagioclase | 10.4 | 9.7 | |
Amphibole | 1.7 | 1.7 | |
Calcite | 1.7 | 1.2 |