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Intervention efforts for soil and groundwater pollution identified at a fuel service station in Istanbul and sustainable approach in accordance with ISO 18504 standard are summarized below.
Located on the Asian side of Istanbul, the station in question experienced an overflow during the transfer of fuel from tanker to tanks in 2017, resulting in approximately 2000 liters of fuel seeping into the underground.
Within the framework of the Istanbul Governorship’s Environment, Urbanization, and Climate Change Directorate commission, ecotora experts planned an Emergency Response Operation in response to the pollution. Root cause analysis was performed under emergency response, leading to infrastructure improvements to prevent a recurrence of the incident and to identify the spread of pollution. Non-leaking sumps were installed in the tanks to prevent leaks, and filling and vent lines were renewed.
To prevent the spread of pollutants in the soil in the tank pit, solidification work was carried out through lime injection. Given the presence of pollutants in a large portion of the underground water, a mobile groundwater purification unit was established at the station, considering the risk of transporting pollutants in groundwater and to potential receptors, in line with ISO 18504. This system, established by ecotora, allowed remote access, enabling 24/7 monitoring of the site and minimizing the need for mobilization.
Considering the chemical properties of the diesel, the source of pollution, which tended to evaporate, volatile organic compounds dissolved in the groundwater were captured using an active carbon unit, ensuring that the emissions into the atmosphere were cleansed.
As part of this effort, the following actions were taken in line with sustainable development goals:
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