37-10 24th St, Queens, NY 11101


brownfield, CVOCs, VOCs, "Vapor Intrusion"

Feiyang Group, LLC and Jung Sun Laundry Corp.
Site Description[1] 
Location: The Site is located in a mixed residential/commercial/light industrial area of Long Island City (Borough of Queens), NY. The location of the Site is the west corner of the intersection of 24th Street and 37th Avenue. Site Features: The main site features includes single story buildings and an open area. There are three inter-connected single story buildings, which occupy three adjacent lots. Approximately one third of the Site is open area which occupies another lot. The open area extends to the west up to 23rd Street. The open area also houses a tractor trailer sized metal storage container. The site is currently abandoned. Current Zoning/Use(s): The on-site laundry is currently inactive and is zoned for commercial use. The surrounding parcels are currently used for a combination of commercial, light industrial and utility right-of-ways. The nearest residential area is upgradient of the site, located north of laundry building, on the other side of 37th Avenue. There is a residential area approximately 400 feet downgradient of the Site, on the south side of 38th Avenue. Historical Use(s): From the 1930’s to the late 1980’s, the Site was used as a commercial laundry. The Site had been utilized as a commercial dry cleaner from the late 1980’s to the mid 1990’s. Prior uses that appear to have led to site contamination include dry cleaning operation, poor housekeeping and spills. An adjacent property owner conducted a Phase I Environmental Site Assessment in September 2003, a Phase 2 Limited Subsurface Investigation in October 2003 and a Phase 2 Limited Groundwater Investigation in December 2003. The Department conducted a Site Characterization from August 2007 through March 2010. In October 2010, the Site was placed on the Registry of Inactive Hazardous Waste Disposal Sites as a Class 2 site. Operable Units: Currently the Site has one operable unit, OU1. An operable unit represents a portion of a remedial program for a site that, for technical or administrative reasons can be addressed separately to investigate, eliminate or mitigate a release, threat of release or exposure pathway resulting from the site contamination. Site Geology and Hydrogeology: Subsurface material consists of sand and some silt and urban fill. The depth to the groundwater varies from approximately 13 to 15 feet below the ground surface. On-site groundwater flow direction is relatively flat. The general flow direction appears to be towards the southwest. Based on the MIP (Membrane Interface Probe) survey, the Perchloroethylene (PCE) plume appears to be spreading south.

Summary of Project Completion Dates
Projects associated with this site are listed in the Project Completion Dates table and are grouped by Operable Unit (OU). A site can be divided into a number of operable units depending on the complexity of the site and the number of issues associated with a site. Sites are often divided into operable units based on the media to be addressed (such as groundwater or contaminated soil), geographic area, or other factors.

Site Environmental Assessment
Nature and Extent of Contamination: The primary contaminants of concern at the site are tetrachloroethene (PCE) and trichloroethene (TCE). PCE and TCE have been found in on-site soils at concentrations up to 22 ppm, and 2.6 ppm, respectively, near the large metal storage container in the open area behind the laundry building based on Site Characterization conducted during 2009. The unrestricted use RSCO¬ís for both PCE and TCE have been exceeded. PCE and TCE have been detected in on-site shallow groundwater at concentrations up to 2,000 ppb and 110 ppb respectively. Groundwater standards have been exceeded for PCE, TCE, vinyl chloride (VC), chloroform, and cis-1,2-dichloroethene. Per February 2009 laboratory data, the plume of PCE and TCE-contaminated groundwater has migrated at least 400' off-site at levels up to 13,000 ppb and 1800 ppb, respectively. PCE and TCE were detected in on-site soil vapor at levels up to 560,000 µg/m3 and 6400 µg/m3 respectively and off-site at levels up to 2600 µg/m3 and to 470 µg/m3, respectively. Superfund referral for RI/FS received on April 2011 . Special Resources Impacted/Threatened: The site is located in the urban area and Fish and Wildlife Impact Analysis is not warranted. Significant Threat: The site poses a significant environmental threat because the area overlies a sole-source aquifer and because there is an ongoing release of PCE and TCE from soil into groundwater.

Site Health Assessment
Contact with contaminated soil is not expected since it is located at depth and covered by buildings, asphalt and concrete. Ingestion of contaminated groundwater is not likely since the area is served with public water. Site-related contaminants are present in soil vapor. Therefore, there is a potential for soil vapor intrusion to occur in on-site and off-site structures. Investigation of this potential pathway is recommended.

Contaminants of Concern
Type of Waste Quantity of Waste
  1.  DEC Environmental Site Remediation Database.  Site Name: "Jung Sun Laundry Plume".




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