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Remediation & Validation of Former Petrol Filling Station

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Remediation & Validation of Former Petrol Filling Station

Arc Environmental Ltd undertook remediation and validation works to verify the effective removal of the former underground fuel storage tanks (UST’s) present at the former Bank Top Garage, West Boldon.

Following removal of the 2 no. recorded UST’s, a further 10 no. unrecorded UST’s were identified across areas of the site, with these having been decommissioned and infilled with either sand or water. In addition, an underground waste oil tank was recorded on the central portion of the site, this was fully exposed and removed during the removal of the UST’s with the excavation visually inspected for signs of leakage from this tank.

Following removal of the tanks, a visual identification of the fuel impacted materials surrounding the tanks was made with the these materials placed onto a temporary stockpile. The fuel impacted stockpile materials were fully covered (including base) with plastic sheeting prior to being loaded onto wagons for off site disposal to a suitable waste management facility. On completion of the removal of the fuel impacted materials the excavations were backfilled with clean overburden materials and / or inert materials (i.e. type 1 dolomitic stone).

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