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Record of Decision System (RODS)

LIPARI LANDFILL

Abstract

Site Name:  LIPARI LANDFILL
Address:  RT 322 
City & State:  PITMAN  NJ  08071
County:  GLOUCESTER
 
EPA ID:  NJD980505416
EPA Region:  02
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R02-88/074
ROD Date:  07/11/1988
Operable Unit(s):  03
 
Media:  GROUNDWATER SURFACEWATER SOIL SEDIMENTS
 
Contaminant:  METALS, VOCS
 
Abstract:  THE LIPARI LANDFILL SITE IS A MUNICIPAL AND INDUSTRIAL WASTE LANDFILL IN MANTUA TOWNSHIP, GLOUCESTER COUNTY, NEW JERSEY. THE LANDFILL CONSISTS OF AN "ONSITE" AND AN "OFFSITE" PORTION. THE ONSITE PORTION IS A FORMERLY ACTIVE LANDFILLING AREA THAT CONSISTS OF A SLURRY WALL/SYNTHETIC MEMBRANE CONTAINMENT SYSTEM. THIS PORTION WAS ADDRESSED IN A PREVIOUS REMEDIAL ACTION. A SEPARATE PREVIOUS REMEDIAL ACTION FOCUSED ON FLUSHING WATER- TRANSPORTABLE CONTAMINANTS FROM WITHIN THE CONTAINMENT SYSTEM. THIS REMEDIAL ACTION ADDRESSES THE OFFSITE PORTION OF THE SITE WHICH IS THE AREA OUTSIDE OF THE ENCAPSULATION SYSTEM CONSISTING OF AGRICULTURAL AND RESIDENTIAL AREAS THAT INCLUDE SEVERAL LAKES, STREAMS, AND PARKS. THE SITE IS BORDERED BY THE ZEE ORCHARD ON THE NORTH AND WEST, AND A HOUSING DEVELOPMENT ON THE NORTHEAST. THE SITE PROPERTY WAS PURCHASED BY MR. NICHOLAS LIPARI IN 1958 AND WAS USED UNTIL 1971 FOR EXCAVATION OF SAND AND GRAVEL AND LANDFILLING OF MUNICIPAL AND HOUSEHOLD WASTES, LIQUID AND SEMI-SOLID CHEMICAL WASTES, AND OTHER INDUSTRIAL WASTES. OFFSITE INVESTIGATIONS INDICATE THAT LAKES, STREAMS, AND MARSHLAND IN THE AREA SURROUNDING THE SITE HAVE BEEN IMPACTED BY CONTAMINANT MIGRATION FROM THE LANDFILL. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE GROUND WATER, SURFACE WATER, SEDIMENTS, SOIL AND AIR ARE VOCS INCLUDING BENZENE, TOLUENE, AND XYLENE, AND METALS INCLUDING ARSENIC, CHROMIUM, AND LEAD.

THE SELECTED REMEDIAL ACTION FOR THE OFFSITE AREAS INCLUDES: COLLECTION OF THE CONTAMINATED GROUND WATER/LEACHATE, FOLLOWED BY ONSITE TREATMENT AND DISCHARGE TO POTW; EXCAVATION OF CONTAMINATED MARSH SOIL, AND DREDGING AND DEWATERING CONTAMINATED SEDIMENTS, FOLLOWED BY THERMAL TREATMENT AND OFFSITE DISPOSAL AS NONHAZARDOUS MATERIAL; INTEGRATION OF OFFSITE SAMPLING WITH THE ONSITE MONITORING PLAN BEING DEVELOPED TO MONITOR THE EFFECTIVENESS OF THE ONSITE FLUSHING ACTION; AND TEMPORARY REMEDIAL MEASURES IN THE SURROUNDING MARSHLAND, IF NECESSARY, TO MITIGATE VOLATILE EMISSIONS FROM LEACHATE SEEPAGE AREAS. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $21,000,000. O&M COSTS WERE NOT PROVIDED.
 
Remedy:  THE REMEDIAL ACTIONS IDENTIFIED IN THIS DOCUMENT REPRESENT A FINAL SOLUTION FOR THE LIPARI LANDFILL SITE. THE ACTIONS ADDRESS THOSE AREAS OUTSIDE OF THE EXISTING CONTAINMENT SYSTEM WHICH HAVE BEEN IMPACTED BY CONTAMINANT MIGRATION FROM THE LANDFILL. PREVIOUS RECORDS OF DECISION, SIGNED IN 1982 AND 1985, PROVIDED FOR THE INSTALLATION OF A CONTAINMENT SYSTEM AROUND LIPARI LANDFILL TO MITIGATE THE OFF-SITE MIGRATION OF LANDFILL CONTAMINANTS, AND THE FLUSHING OF WATER-TRANSPORTABLE CONTAMINANTS FROM WITHIN THE CONTAINMENT SYSTEM. CONTAMINATION ATTRIBUTABLE TO THE LIPARI LANDFILL HAS BEEN DETECTED IN THE GROUND WATER, SURFACE WATER, SOILS, LAKE AND STREAM SEDIMENTS, AND THE AIR IN THE VICINITY OF THE LANDFILL.

THE REMEDIAL ACTIONS TO ADDRESS THIS OFF-SITE CONTAMINATION INCLUDE THE FOLLOWING COMPONENTS;

- COLLECTION OF GROUND WATER/LEACHATE IN THE COHANSEY AND KIRKWOOD AQUIFERS, FOLLOWED BY ON-SITE TREATMENT AND DISCHARGE TO A PUBLICLY OWNED TREATMENT WORKS;
- EXCAVATION OF CONTAMINATED SOILS IN THE CHESTNUT BRANCH MARSH, FOLLOWED BY THERMAL TREATMENT TO REMOVE ORGANIC CONTAMINANTS AND PLACEMENT AS A NON-HAZARDOUS MATERIAL;
- DREDGING AND DEWATERING OF CONTAMINATED SEDIMENTS IN ALCYON LAKE, FOLLOWED BY THERMAL TREATMENT TO REMOVE ORGANIC CONTAMINANTS AND PLACEMENT AS A NON-HAZARDOUS MATERIAL;
- DREDGING AND DEWATERING OF CONTAMINATED SEDIMENTS IN RABBIT RUN AND CHESTNUT BRANCH STREAM, FOLLOWED BY THERMAL TREATMENT TO REMOVE ORGANIC CONTAMINANTS AND PLACEMENT AS AN NON-HAZARDOUS MATERIAL;
- TEMPORARY MEASURES, IF NECESSARY, TO REDUCE VOLATILE EMISSIONS FROM LEACHATE SEEPAGE AREAS IN THE CHESTNUT BRANCH MARSH; AND
- INTEGRATION OF SAMPLING IN THE OFF-SITE AREAS WITH THE ON-SITE MONITORING PLAN BEING DEVELOPED TO MONITOR THE EFFECTIVENESS OF THE
 
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