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Waste Site Cleanup & Reuse in New England

Kiley Barrel Allen Street Site

Kiley Barrel Allen Street Site, Somerville, MA

The Kiley Barrel Allen Street site is made up of three residential properties on Allen Street in Somerville, Mass., next to a former drum-rinsing operation known as the Kiley Barrel Site. This is now a Brownfields site and includes a three-story home as well as two two-story homes. Elevated levels of arsenic in the yards apparently came from surface runoff from the Kiley Barrel Site. A site investigation in Aug. 2012 involving soil sampling revealed elevated levels of several metals, with arsenic concentrations of up to 420 parts per million. Semivolatile organic compounds (SVOCs), including benzo(a)anthracene, were also found. In addition, analytical results indicated PCB at two of the residences. More sampling in late October at 7 Allen Street further delineated the extent of contamination, but no arsenic was found there. After excavations were finished, before the areas was filled, a reinforced laminate fabric was used along the border with Kiley Barrel to prevent contamination from migrating back onto residential properties. A berm was built to minimize surface water runoff from the Kiley Barrel Site during rain. Arsenic-contaminated soil piles were disposed of and top soil was replaced on excavated residential properties. A total of 44 loads of arsenic-contaminated soil weighing 880 tons were removed. Sod or seed was applied in the spring. All disposal activities were initially finished by May 10 but heavy rains in June identified drainage issues associated with the backfill and more steps were taken to reduce surface water runoff and large areas of pooling water. Surface water interceptors and dry wells were installed on two of the three properties to minimize runoff. All activities were finished on June 18, 2013.

Location: Somerville, MA
EPA Mobilization Date*: 11/13/2012
EPA Demobilization Date*: 06/18/2013
Contact: Claudia Deane (deane.claudia@epa.gov)

*The information contained on this website is merely informational; any dates found on the website cannot be relied upon to create any rights, substantive or procedural, enforceable by any party in litigation with the United States. EPA reserves the right to change such dates at any time without public notice.

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