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Design-Build Soil and Groundwater Treatment System
Branch Brook Park (a.k.a. Rick Cerone Fields)

THE PROBLEM
Branch Brook Park, located in Newark, New Jersey, is the home of Cerone Fields. The facility was under expansion to add several new baseball fields. The site work contractor discovered gasoline during structure excavation, and HCR was hired by the NJDEP. Upon further investigation, a plume of gasoline from a former bus garage site, approximately ¼ mile away, measured approximately 200 x 200 ft. and 1 ft. thick in some areas.


THE SOLUTION
HCR performed a site investigation, conceptual design, in plume and down gradient stone collection trenches, subsurface groundwater, fuel and vapor collection system, temporary and permanent groundwater treatment systems, construction of a permanent treatment building, and installation of a permanent on-site fuel vapor thermal oxidizer. HCR installed a 60 ml HDPE liner beneath the cover soil of the baseball field to contain vapors beneath the ground surface. Over a 14-month period, HCR completed the installation, including recovery of 1,550 gallons of fuel product from the groundwater, removal and disposal of 7,960 tons of contaminated soil, and treatment and discharge of 5,178,646 gallons of contaminated groundwater discharged to surface water by permit.

THE RESULT
The field was completed in time for Little League Baseball on April 1, 2006.

HCR now provides Operation, Maintenance, and Monitoring at the facility, including system maintenance, discharge compliance sampling and groundwater sampling.

Site Description
County Park down gradient of multiple hydrocarbon sources

Contaminant/COCs
Gasoline/BTEX, MTBE, TBA, Naphthalene

Primary Receptor
Groundwater beneath County Park

Trigger Event:
Product on water table discovered during construction of ballfields

Extent of Impact
Impacted groundwater extends several hundred feet beneath County Park

System Description
Horizontal SVE System to recover Hydrocarbon vapors from beneath the finished ballfields. Multi-point groundwater pump and treat system utilizes pneumatic submersible pumps to extract total fluids. Treatment system consists of oil/water separator, equalization tank, low profile air stripper, TSS filters, and 3, 1,000-lb GAC units. SVE off-gas is treated by catalytic converter. System operates under a NJPDES-DSW permit.

Treatment system consists of
oil/waterseparator, equilization tank, low profile air stripper, TSS filters, and 3, 1,000-lb GAC units. SVE off-gas is treated by catalytic converter. System operates under a NJPDES-DSW permit

System Started
April 26, 2006

System Goals:
Recover separate-phase product and prevent further hydrocarbon migration