GARDEN CITY PARK, NY
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The Fulton Avenue site is located at 150 Fulton Avenue in Garden City Park in Nassau County, New York.
A fabric-cutting mill operated at the 0.8-acre area from 1965 through 1974. The mill’s operations contaminated soil and water with hazardous chemicals.
This site is being addressed through two Operable Units (OUs). The first OU adresses contaminated groundwater emanating from the 150 Fulton Avenue property. OU1 is being remediated under a 2015 Record of Decision Amendment and is currently underway.
The second OU adresses a larger groundwater contamination concern which was discovered during the investigation of OU1. This portion of the site is currently being actively investigated.
What Has Been Done to Clean Up the Site?
The site is being addressed as two operable units (OUs). OU-1 addresses the source area, the former location of a cutting mill and dry cleaning facility at 150 Fulton Avenue, and the resultant groundwater plume. OU-2 addresses groundwater contamination not attributable to the OU-1 source area.
An IRM operated at the site from October 1998 until November 2001. As part of this action, contaminated sediments and soils were removed from the base of the drywell and an air sparging/soil vapor extraction (AS/SVE) system operated until soil gas and indoor air contaminant readings met New York State air requirements. In early 2004, a sub-slab ventilation system was installed to remove soil-gas from under the building at 150 Fulton Avenue as a further protective measure. ROD. The Remedial Design of the systems has begun and pre-design field activities have been conducted. .
A field investigation to address area-wide TCE-dominant contamination, Operable Unit #2, is currently underway.
The AS/SVE system (IRM) has met its cleanup goals and has been dismantled. Soil gas and indoor air samples have shown the system to have been fully effective. Over 10,000 pounds (approximately 465 gallons) of PCE were removed by the system. A sub-slab ventilation system was installed during Spring 2004 to assure protectiveness at the site. The actions taken at the 150 Fulton Avenue property have been shown to reduce the indoor air contaminant concentrations to levels below applicable standards. A Record of Decision for OU1 was issued in September 2007 which selected the remedy to clean the PCE-dominant portion of the site. The remedy will perform further source remediation by means of In-situ Chemical Oxidation, installation of a groundwater extraction and treatment system to remediate the PCE-dominant portion of the contaminated aquifer, and to provide a well-head treatment system to protect the affected public supply wells. These remedial systems are currently being designed. The field work for Fulton Avenue OU2 began in Spring 2011. This work is being done in accordance with EPA's TRIAD initiative which conducts an investigation in a phased approach. The second phase of work to identify and remediate the source(s) of the observed TCE-dominant portion of the contamination plume started in early spring 2013. The Garden City Water District (GCWD) is presently managing the site contamination which is migrating into the GCWD wells. An Amendment to the OU1 ROD (RODA) was signed in September 2015 which assures that the OU1 portion of the plume continues to not threaten human health and the environment. A Consent Judgement was signed in September 2016 whereby a PRP has agreed to perform the remedial activities described in the OU1 RODA. Field work for OU2 began in Spring 2012 and is currently ongoing.
What Is the Current Site Status?
This site is being addressed through Federal, State and Potentially Responsible Party (PRP) actions.
OU-1 is being addressed in two stages. The first stage was an interim remedial measure (IRM) focused on cleanup of on-site soils and nearby groundwater. This stage has been completed. The second stage is a long-term effort, which includes further source control by pumping and treatment of groundwater from 2 production wells of the GCWD to contain the tetrachlorethene (PCE)-dominant portion of the contamination plume in the local aquifer. OU-2, which addresses the trichlorethelene (TCE)-dominant portion of the contaminant plume, is currently under investigation.
Previous Actions: From October 1998 until November 2001, the site’s IRM removed contaminated sediments and soils from the base of a dry well and an air sparging and soil vapor extraction (AS/SVE) system operated until soil gas and indoor air contaminant readings met state air requirements. In early 2004, a subslab ventilation system was put in to remove soil-gas from under the building at 150 Fulton Avenue as a further protective measure. The AS/SVE system met its cleanup goals and has been dismantled. Soil gas and indoor air samples indicate the system has been fully effective. The system removed over 10,000 pounds (about 465 gallons) of PCE. The site’s potentially responsible parties (PRP) conducted the IRM.
Contaminated Groundwater: EPA selected the remedy for the PCE-dominant portion of the contaminant plume in the site’s September 2007 Record of Decision, or ROD. An Amendment to the OU1 ROD (RODA) was signed in September 2015.
The Village of Garden City and the PRPs petitioned EPA to amend the ROD to not install the groundwater extraction system and allow the PRPs to fund the well-head treatment at the public supply wells which were containing the OU1 portion of the site plume. EPA reevaluated the remedial system and issued an Amendment to the ROD in September 2016.