Clifton, New Jersey
The CP Environmental Group (CPEG) team was hired to perform environmental, asbestos, and geotechnical services in support of the redevelopment of a 1-acre site consisting of six parcels. One parcel was the former City Line Service Station (City Line) and the other five parcels were used for residential, commercial and light industrial uses. The City Line station had been in operation as a gasoline retail facility since approximately 1935. The site was redeveloped into a retail pharmacy.
Subsurface investigations identified soil and groundwater impacts including petroleum hydrocarbons (gasoline). During redevelopment of the site into the retail pharmacy two 8,000-gallon underground storage tanks (USTs)and a hydraulic lift were removed from the City Line portion of the site. The groundwater impacts were attributed to a previous set of USTs removed from the site in 1995 the soil impacts were limited to the vicinity of the hydraulic lift. Approximately 21.2 tons of petroleum impacted soil was removed from the site during the UST/hydraulic lift removal activities.
A Remedial Action Workplan (RAW) has been prepared and submitted to the New Jersey Department of Environmental Protection (NJDEP). The RAW has not yet been approved by the NJDEP. Petroleum hydrocarbon groundwater impacts have been degrading under natural conditions using monitored natural attenuation and continue to be monitored with quarterly groundwater sampling. The quarterly groundwater monitoring will continue until two successive quarters are documented with no exceedences of NJDEP ground water quality criteria (GWQC) of the parameters monitored. CPEG has prepared a Remedial Action Progress Report (RAPR) for the site and will continue to prepare and submit RAPRs once NJDEP approves the RAW.
Also in support of site redevelopment, CPEG provided additional services including the geotechnical subsurface investigation and asbestos survey at the previous site structures in addition to the remedial investigation and environmental site closure to streamline the site development process.
Total cost of project: $181,400
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Soil remedial activities were conducted concurrent with the UST removal activities and with demolition and construction activities to facilitate the site redevelopment schedule. This project was successfully completed in the required time frame only by outstanding Teamwork involving CPEG working closely with the private developer, pharmacy chain (purchaser), real estate investment trust group, New Jersey Department of Environmental Protection (DEP), attorneys and contractors.