DAILY NEWS Jan 30, 2013 4:19 PM - 1 comment

Two-year lead, arsenic remediation project wraps in Connecticut

Remediation covered about 250 residential properties, the largest project of its kind ever undertaken in Connecticut

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By: HazMat Staff
2013-01-30

Sevenson Environmental Services of Niagara Falls, N.Y., has completed a two-year lead remediation project to excavate and remove lead and arsenic contaminated soil from the yards of houses and commercial properties in Connecticut.

According to a January 29, 2013 statement from the company, Sevenson excavated to a depth of four feet, removing some 8,700 truckloads (131,700 cubic yards) of toxic fill. The company backfilled the areas with clean soil and restored features disrupted during excavation.

“This was a success in every way possible,” said Ray Frigon of the Remediation Division of the Connecticut Department of Energy and Environmental Protection in a statement to media. “Sevenson’s team conducted this project with an incredibly high regard for safety of site workers and the public.”

Contaminated fill had been placed in the low-lying areas of the Newhall Street neighborhood in Hamden, Conn. area beginning in the 19th century and continuing into the mid-20th century. The fill material included municipal and industrial wastes containing heavy metals, primarily lead and arsenic, and PAHs, a semi-volatile organic compound often associated with wood and coal ash.

The project spanned a 15-block area, Sevenson said. They covered about 250 residential properties, the largest project of its kind ever undertaken in Connecticut. The cleanup began in the late summer of 2010 with 80 workers and was completed ahead of schedule and under the anticipated budget.

Workers also focused on residents’ yards, patios, driveways, sidewalks, and landscaping. The company replaced 80 structures, planted 4,700 shrubs, plants and trees, installed 210,700 square feet (almost four football fields) of driveways and parking areas, and 20,350 lineal feet (3.8 miles) of sidewalks.



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Andrea

I would love to know what happened to the excavated soil? Was it treated in any way prior to disposal?

Posted January 31, 2013 12:50 PM


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