Former Navy Depot clean up underway

Supervisor eyes site for consolidated DPW facility, economic development

— “The barrier is not a ‘barrier’ to groundwater flow, but a ‘barrier’ to the contaminants present in the water,” Rick Georgeson, spokesman for DEC Region 4, previously said. “As contaminated groundwater flows through this (barrier) it contacts the zero valent iron and through a chemical reaction the contaminants are broken down to nontoxic end products.”

Schenectady Metroplex Development Authority Chairman previously said trucks were maintained and repaired at the site during the Vietnam War, which could have led to the contamination. Often, TCE is used in solvents for industrial purposes as a degreaser.

Most of the soil borings and other investigative work will be conducted within the 300 block of the former Depot where large National Grid overhead wires are located, according to county officials. Initial testing identifying the best location to install the barrier is expected to be completed by July.

This type of barrier has proved “very effective” in breaking down chemicals causing environmental issues and stopping contamination from spreading, county officials said.

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