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Liberty Industrial Finishing
Farmingdale, NY

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Involvement Coordinator

Cecilia Echols (212) 637-3678
echols.cecilia@epa.gov

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EPA added the Liberty Industrial Finishing site in Farmingdale, New York (Nassau County) to the Superfund National Priorities List on June 10, 1986, because of harmful chemicals at and near the site. The site includes a 30-acre facility surrounded by suburban areas that are primarily residential. During World War II and, to a lesser extent during the Korean War, industrial operations at the site included aircraft parts manufacturing and associated metal finishing processes largely in support of military efforts. After the wars, the site was used for other industrial and warehousing operations. Throughout most of the period of industrial operation, wastes were discharged at the site into below-grade sumps, underground leaching chambers, and unlined ground water recharge basins or lagoons. The site is located above a sole source drinking water aquifer. Ground water underlying the site is contaminated with both organic and inorganic substances and site soils continue to act as a source of such contaminants. 

In 2002, EPA issued a Record of Decision selecting a comprehensive cleanup of the site.  The comprehensive cleanup included a $32-million “primary” action, which will remediate soils and ground water at the site, as well as sediments at the Massapequa Nature Preserve, where ground water, soil and sediments became contaminated from the former industrial operations at the site. In August 2004, those parties who are believed to be responsible for the primary contamination, entered into a court-approved Consent Judgment to implement the primary cleanup. Those cleanup activities are currently underway.

The comprehensive cleanup also included a $2-million action to remediate ground water contaminated from a source called “Plume B,” which EPA believes to be located upgradient and to the north of the former industrial plant. Further studies are being conducted by the New York State Department of Environmental Conservation to identify the source of Plume B. EPA anticipates implementing the Plume B action upon the conclusion of those studies.


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