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Sleepy Hollow GM Site Cleanup To Begin This Month

SLEEPY HOLLOW, N.Y. – Officials are getting ready to remove contaminated soil in the Hudson River and at the vacant General Motors site in Sleepy Hollow.

Crews will begin setting up on the lot and in the Hudson River this month, according to a timeline released Tuesday by the New York State Department of Environmental Conservation.

“It is anticipated that the remedial action will continue for approximately three to four months and conclude by early 2013,” the DEC said in a fact sheet.

General Motors is voluntarily cleaning-up the 96-acre site under New York State's Brownfield Cleanup Program. A GM automotive plant was on the site until it closed in 1996. Officials are hoping to turn it into a mixed-use development called Lighthouse Landing.

Tarrytown filed a lawsuit against Sleepy Hollow over concerns about traffic with the project and is considering whether it should move forward with an appeal in the case. A state judge ruled in early September that the lawsuit lacked merit .

The cleanup includes dredging 0.8 acres in the Hudson River, keeping polluted soil under a site cover and creating an environmental easement. Dredging will take place 150 feet north and south of an outfall near the Ichabod's Landing complex. Crews will remove about 4,400 cubic yards of polluted soil.

Crews will construct a temporary sediment-processing site, a water-treatment facility and install stormwater-erosion controls before cleanup can begin. Cranes on the General Motors lot and on a barge will drive steel sheets into the Hudson River bottom just offshore to aid excavation efforts.

Dredging is expected to start in November, the DEC said. Excavated soil will be transported off site by truck to a waste management site or kept for future fill material depending on test results.

The final steps in remediation, including the site cover, will take place during redevelopment.

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