At a disused petrol station, Liguria NW Italy, historic leakages from underground storage tanks (UST) resulted in significant TPH contamination of the soil and groundwater.
The bulk of the contamination was removed by excavating the leaking tanks and immediate surrounding soil. However, significant residual TPH contamination (up to 1,000 μg/L) remained within the surrounding ground, requiring further remediation.
The leaking tanks had been removed and surrounding soil excavated leaving a 5 m x 15 m pit to a depth of 3 m BGL. RegenOx® Part A (oxidizer), RegenOx Part B (catalyst) and ORC-Advanced® were mixed into a single slurry and applied to the pit in a single event.