Barretto St & Viele Ave, Bronx, NY 10038

Hunts Point

"Environmental Restoration Program" PAHs SVOCs VOCs "Vapor Intrusion"

Barretto Point Park is bursting with activity. Located on the beautiful East River waterfront, fishers can sit on its piers and cast a line, and boaters take out canoes and kayaks for a turn around the river. Other attractions include a volleyball net, basketball court, and a playground.  But for those looking for a more relaxing time, the park, with its beautiful background of sky, grass, and water, makes a perfect place to spending the day reading or picnicking.

Site Description

The Barretto Point Environmental Restoration Site consists of a 13-acre City-owned waterfront parcel in a predominantly industrialized area of the South Bronx (Hunts Point) and is located immediately adjacent to the Hunts Point Sewage Treatment Plant. The site is somewhat remote from residential population centers in Hunts Point and has very heavy tractor trailer truck traffic associated with solid waste transfer stations and other commercial uses. Most of the northwest portion of the site was the location of a sand and gravel operation. An asphalt plant was located in the southwest corner of Barretto Street and Ryawa Avenue, and framed coal pockets (structures likely used for the storage of coal) were located to the west along the East River. In the northeastern portion of the site, industries included a paint and varnish manufacturing facility. By 1991, the structures mentioned above were no longer present on the site. As a result of these historic operations, on-site soils were contaminated with elevated levels of VOCs, PAHs and metals. A Site Investigation was completed in 2000. A Remedial Alternative Report was completed in January 2003, and the Record of Decision (ROD) was signed on December 4, 2003. New York City has applied and been approved for remediation funding from the 1996 Bond Act and is proceeding with implementation of the ROD. Work related to the remediation of the 5-acre portion of the site which was developed into a waterfront park was completed by the New York City Department of Parks and Recreation (NYCDPR) in October 2006. However, the NYCDPR has not yet submitted an approvable Construction Completion Report. The New York City Department of Environmental Protection (NYCDEP) has submitted contract and design documents for the excavation and off-site disposal of contaminated soil from the 8-acre portion of the site that is to be utilized for the upgrade of the Hunts Point Water Pollution Control Plan. The final Design, Bidding and Contract Documents associated with this part of the remedy were approved on October 19, 2006. The NYCDEP awarded the contract to Posillico Environmental, Inc. on January 30, 2008.

Site Environmental Assessment
The main categories of contaminants that exceeded their soil cleanup objectives (SCOs) were volatile organic compounds (VOCs) (in the vicinity of the former paint and varnish manufacturing facility), semivolatile organic compounds (SVOCs), in particular polycyclic aromatic hydrocarbons (PAHs), and inorganics (metals). The primary VOCs that were detected at concentrations exceeding SCOs were ethylbenzene and xylenes. In addition, significant concentrations of non-targeted, tentatively identified compounds (TICs) were detected in many of the soil samples, resulting in the SCO for total VOCs being exceeded. VOCs (including TICs) were predominantly detected in the area of the former paint and varnish manufacturing facility. The total VOC concentration was identified as an indicator of contamination for the area of the former paint and varnish manufacturing facility. The primary SVOCs that were detected at concentrations exceeding SCGs were phenol, 2-methylphenol, fluoranthene, pyrene, and the PAHs benzo(a) anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, indeno (1,2,3-cd) pyrene and dibenzo(a,h)anthracene. PAHs are products of incomplete combustion and are common in soils in urban areas. Inorganics that were detected at concentrations exceeding SCOs were barium, beryllium, copper, iron, lead, mercury, nickel and zinc. The SCOs for each of these parameters, except lead, were developed based on New York State or eastern United States background concentrations rather than health-based potential impacts.

Site Health Assessment
The area is served with public water, therefore it is unlikely that groundwater is used as drinking water. The remedy as outlined in the Record of Decision is being implemented and will prevent future exposures by covering residual wastes.

Contaminants of Concern
Type of Waste Quantity
BARIUM UNKNOWN
BENZO(A)PYRENE UNKNOWN
BENZO(B)FLUORANTHENE UNKNOWN
BENZO[K]FLUORANTHENE UNKNOWN
BERYLLIUM UNKNOWN
COPPER UNKNOWN
DIBENZ[A,H]ANTHRACENE UNKNOWN
ETHYLBENZENE UNKNOWN
IRON UNKNOWN
LEAD UNKNOWN
MERCURY UNKNOWN
NICKEL UNKNOWN
XYLENE (MIXED) UNKNOWN
ZINC UNKNOWN

admin, Debra Hall

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