Total petroleum hydrocarbon | Initial concentrations (day 0) | Final concentrations (day 30) with Earth Worm | Final concentrations (day 30) without Earth Worm |
3 ml | 3405 mg/kg | 1121.27 mg/kg (67.07%) | 2283.73 mg/kg (32.93%) |
2 ml | 2825 mg/kg | 1057.40 mg/kg (62.57%) | 1767.6 mg/kg (37.43%) |
1 ml | 1412.5 mg/kg | 627.43 mg/kg (55.58%) | 785.35 mg/kg (44.42%) |