West end of 47 through 52nd St., Brooklyn, NY 11220

Sunset Park

superfund VOCs "vapor intrusion" uprose1

New York City Dept. of Ports and Trade, New York City Dept of Small Business Services
Site Description[1][2] 
The site borders an access road referred to as Marginal Street (which parallels 1st Avenue), between 45th and 50th Street. The land immediately adjacent to the site is used for commercial and industrial purposes, although residential housing areas are present within approximately 1,500 to 2,000 feet of the site. The 17.3-acre site includes approximately 14 acres of urban land that was created by landfilling between four piers that were part of the former Bush Terminal warehouse complex. The remaining pier structures are dilapidated and extend 600 to 800 feet into the Bay from the existing fill areas. The site is currently fenced to prevent public access. The total landfill area is approximately 14 acres in size. Partial filling between two piers (Piers 3 and 4) has resulted in the presence of two ponded areas in the northeastern portion of the site. While most of the landfilled areas are covered with grasses or barren soils, the westernmost fill area between Piers 2 and 3 supports an area of mature trees (referred to as the existing wooded area). Debris piles are present in some areas, especially along the edge of the site bordering Marginal Road. The Site Investigation (SI) was conducted between May 1999 and May 2001. The field activities and findings of the investigation are described in the SI report. Additional studies were conducted between March and July 2002 to support the evaluation of remedial alternatives and are described in the Remedial Alternatives Report (RAR).

This site is being tracked under the Environmental Restoration Program (ERP) as site number B00031-2. The Record of Decision presenting selected remedy was finalized in March 2004. The City's Application for Remedial Grant was received in the end of March 2005. The Draft Scoping Document for Remedial Design Work Plan was submitted on December 9, 2005. The NYSDEC Commissioner approved Remedial Application in January 2006. The NYC Economic Development Corporation has prepared a detailed design for the proposed remedy. The NYSDEC's Region 2 office approve the plans and specifications regarding remedial construction which is expected to start later in 2009.

Site Environmental Assessment
The primary contaminants of concern at the site (in groundwater, soils and sediments) that exceed their SCGs are semivolatile organic compounds (SVOCs) and inorganics (metals). VOCs, the pesticide 4,4-DDT, and PCBs were also detected at levels exceeding SCGs, but to a much lesser extent than the SVOCs and metals. Sampling has revealed contravention of groundwater standards by 23 organic chemicals and 12 metals. It has been determined that no significant threat exists to the environment. While groundwater quality at the site has been impacted, it is unlikely that surface water quality criteria will be exceeded when groundwater discharges to the Bay, due to the low rates of groundwater discharge and the relatively low concentrations of contaminants in groundwater. Therefore, groundwater is not expected to present a potential environmental impact.

Site Health Assessment
The area is served by public water, therefore, exposure to contaminated groundwater is unlikely. There is a potential for direct contact expsoure with contaminated surface soil. However, a clean soil cover over the site and landfill gas control measures will minimize the potential for exposures to future park users. Site access is currently restricted by a fence minimizing the potential for exposure.

Contaminants of Concern
Type of Waste Quantity
LEAD UNKNOWN
ARSENIC UNKNOWN
CHROMIUM UNKNOWN
BENZO(A)PYRENE UNKNOWN
BENZO(B)FLUORANTHENE UNKNOWN
PYRENE UNKNOWN
ANTHRACENE UNKNOWN
BENZ(A)ANTHRACENE UNKNOWN

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