LAWRENCE — Work is beginning to clean a former industrial property on Marston Street in Lawrence.

The project will involve cleaning contamination at the former Tombarello & Sons property, as well as at several houses that were contaminated by past activities on the property.

Under an agreement with the U.S. Environmental Protection Agency, First Lawrence Financial, LLC has agreed to excavate soil contaminated with hazardous substances at the site.

First Lawrence will also pay the EPA for its cost to oversee the soil excavation. At the same time, the EPA will be removing contaminated soil on several adjacent residential properties.

The entire cleanup site includes about 14 acres that were formerly used for industrial purposes and the abutting privately-owned houses.

The site is bordered by I-495 on the east and industrial properties on the south. The former industrial portion of the site was historically used for scrap metal recycling. Other activities were also conducted on this portion of the site, including excavation, screening and magnetic separation of metals from on-site soils, and lessons in operating tractor-trailer trucks.

EPA's investigation of the site confirmed the presence of polychlorinated biphenyls (PCBs) and heavy metals, including lead, cadmium, chromium and arsenic, in soil.

The agreement went into effect April 26. First Lawrence Financial holds a security interest in the former industrial portion of the site.

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