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Planned Cleanup For Powers Chemco

The second floor of the Sea Cliff Village Library was filled to capacity last Thursday night as members of the community and politicians, including Glen Cove Mayor Reginald Spinello, showed up to hear the New York Department of Environmental Conservation’s (NYSDEC) proposed plan for clean-up of the former Powers Chemco property. The property, a vacant 1.4 acre site located at 71 Charles Street, was deemed a  Class “2” in the State Registry of Inactive Hazardous Waste Sites. It is considered to be a significant threat to public health and the environment.

 

The NYSDEC is proposing to amend the 1991 Record of Decision (ROD) for the Powers Chemco site, formerly known as the Columbia Ribbon and Carbon Manufacturing Company site, based on investigations that the site contained contaminants of concern including toluene, xylene, ethylbenzene, methyl ethyl ketone and benzene in the groundwater and soil vapor. This is based on the decision that the remedial action was unsuccessful and that contaminants were still present at the site.

 

“There are three principal aquifers in the area of this site: the Upper Glacial, Magothy and Lloyd,” said DEC spokesperson Girish Desai. “The City of Glen Cove draws water from the 200-300 foot zone of the Magothy from public supply wells located east of the site.”

 

Desai indicated that based on a 2011-12 report from the Environmental Consulting & Management firm Roux Associates, there was no detection of contaminants in the Magothy or other aquifers, but results from an offsite monitoring well located to the north of the site contained concentrations of xylene and ethylbenzene.

 

The report also stated that contaminants were detected in perched groundwater but that they were contained in the main area and did not spread out to the regional groundwater.

 

The DEC’s proposed plan of action is an excavation and off-site disposal of approximately 10,000 cubic yards of contaminated soil. The excavations will be backfilled with clean fill. In-situ chemical oxidation (ISCO) will be used to remediate residual contaminated groundwater and impacted soils after the excavations are complete.

 

The cost of the proposed project is estimated at $5,504,900.

 

Desai assured the public that all potential exposure pathways to site related contaminants have been evaluated.

 

“We want to make sure that no one in the community is exposed to the remediation and excavation process. Dust levels will be continuously monitored to ensure that there will be no chemical contamination migrating offsite to any of the nearby residences.”

 

The proposed project is expected to begin no later than March 31.

 

“This is an important project for the City of Glen Cove on a very important parcel of land,” said Mayor Spinello. “I have seen the remediation plan and I think it is terrific. It is an important component to the city to have this property remediated.”

 

NYSDEC is accepting written comments about the proposed plan for 30 days, until Feb. 17. The documents for plan are available for review at the Glen Cove Public Library.