Location, Removal, and Cleanup of an Underground Tank

Location, Removal, and Cleanup of an Underground Tank

This house in Beverly Massachusetts was for sale and the buyer hired CommTank to search for an underground tank at the property. It is common for a new buyer to request this service when there isn’t a record of the underground tank removal at the Fire Department. CommTank’s technician started the search by using an underground utility locator to find the underground tank. The piping for old tanks is typically left in the ground so searching the basement is the first step to determining the direction of the tank. The technician found the tank underneath a shed that housed the current aboveground oil tank. At this point the customer and owner were notified. To complete the real estate sale the underground tank had to be removed.

The owner contracted CommTank to dig up the underground tank and during the job we discovered the tank had been leaking. The tank was originally an aboveground steel tank that had been buried in the backyard to save space. From 1950 to 1980 it was common for home owners to install steel tanks underground but the practice was stopped because of the number of leaking tanks.

Technician cleaning inside an underground tank

CommTank submitted a Limited Removal Action (LRA) plan that covered up to 10 tons of soil to clean up the contamination. The aboveground oil tank was relocated during this work and the cement pad was broken up. After excavating 4 yards of soil groundwater was encountered. As required by the State of Massachusetts, the customer hired an LSP to oversee the remediation, and he submitted an Immediate Response Action (IRA) plan to cover the new site conditions. Within one month of starting the work CommTank had removed all the contaminated soil and restored the area around the shed. An outcome report was submitted to the state and the owner could now sell the property.

Excavation with shoring inside of backyard shed

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