This DEP site in Milton, MA is the location of a former industrial building that was occupied by a former ice cream factory. Historical releases of motor oil, gasoline, hydraulic oil, #6 fuel oil, and typical compounds associated with historical fill were detected in soil and groundwater at this property, including Light Non-Aqueous Phase Liquid (LNAPL). These release have been attributed to a former machine room, Underground Storage Tanks (USTs), and an oil-water separator.
Remedial response actions completed since 2018 include the excavation and off-site disposal of over 2,650 cubic yards of NAPL/oil/urban fill impacted soil, NAPL gauging and recovery, pumping of over 20,000 gallons of oily groundwater, extensive soil and groundwater sampling, and potential vapor intrusion mitigation measures.
The site is currently undergoing redevelopment for a 4-story, 35,500 square foot mixed use commercial/residential building. Response actions are on-going and will continue until a condition of “No Significant Risk” is achieved and a Permanent Solution Statement is applicable.