REGENESIS worked with RAKE Remediation and WDE Consulting to devise a fully integrated remediation strategy in order to provide accelerated remediation of a former petrol filling station. The remedial strategy comprised:
The treatment comprised targeted excavation of the most impacted soils, around the former UST location. This was followed by ORC Advanced Pellets application into the excavation to address the residual dissolved phase. LNAPL was removed from the ground- water in the surrounding plume using a P&T system. This was followed by multiple injections of RegenOx into the plume downgradient of the excavations in order to address the residual high levels of contamination in the groundwater.
ORC Advanced slurry was injected in two lines within the dissolved phase plume in order to degrade, through ENA, the migrating contamination and prevent any further egress from site.
Validation of groundwater contamination was completed throughout the remediation project, This allowed the timing and dosage to be adjusted across the site as the remediation progressed. TPH and BTEX concentrations were reduced by >90% to below target levels and regulatory closure has been achieved.