Arthur Kill Road, Staten Island, NY,10031

Greenridge

Superfund CVOCs VOCs "vapor intrusion"

NYC Dept. of Sanitation
Site Description[1]
The Brookfield site was operated by the NYC Department of Sanitation (NYCDOS) from 1966 until 1980 as a disposal site for general refuse, including household garbage and construction wastes. Testimony from the NYS Senate Select Committee in 1982 indicated that various hazardous wastes were illegally disposed between 1974 - 1980 at several NYC landfills, including Brookfield Avenue. A three phase RI started in 1993 and ended in 1998. The RI report for the landfill has been approved and the Feasibility Study has been completed for the landfill. The Record of Decision (ROD) was completed in March 2002. The ROD consists of a Part 360 landfill cap; active gas collection and treatment; a barrier wall to prevent groundwater inflow into the landfill and prevent methane migration along Arthur Kill Road; leachate collection and treatment; surface water runoff collection; long term monitoring; and institutional controls. The design phase was completed in May 2006. The evaluation of Richmond Creek has been separated into its own operable unit (OU-2). Remedial Investigation field work is complete and an approved Final Report issued. The PRAP was issued and a public meeting held in February 2007. The ROD was issued in March 2007. The construction start for the landfill closure scheduled in 2007/08 was delayed when constrution bids received were substantially over the estimated cost and far in excess of the Record of Decision capital cost estimate of 71 million dollars. This was further complicated by the inability to absorb increased costs through the State Assistance Contract funding mechanicism. In the fall of 2008 the City was evaluating the design for cost savings and developing a schedule for phasing the work over a number of years.

Site Environmental Assessment
A three phase RI of the landfill started in 1993 and ended in 1998. Studies show that the groundwater in the immediate site area has been contaminated with a variety of heavy metals and organic compounds in excess of groundwater standards.

Site Health Assessment
Public water is supplied to the area, therefore exposure to contaminated groundwater by ingestion is not expected. Fencing around the landfill restricts access. The Agency for Toxic Substances and Disease Registry (ATSDR) prepared a public health assessment for the site in 1999 and determined that present and potential future exposures to contamination associated with the landfill pose no apparent health hazards.

Contaminants of Concern

Type of Waste Quantity
AMMONIA UNKNOWN
BENZENE UNKNOWN
BENZO(A)PYRENE UNKNOWN
CADMIUM UNKNOWN
CHLOROBENZENE UNKNOWN
CHROMIUM UNKNOWN
MERCURY UNKNOWN
PCB-AROCLOR 1254 UNKNOWN

admin, Debra Hall

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