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Record of Decision System (RODS)

STRASBURG LANDFILL

Abstract

Site Name:  STRASBURG LANDFILL
Address:  STRASBURG ROAD 
City & State:  NEWLIN TOWNSHIP  PA  19320
County:  CHESTER
 
EPA ID:  PAD000441337
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-91/116
ROD Date:  06/28/1991
Operable Unit(s):  03
 
Media:  DEBRIS GROUNDWATER
 
Contaminant:  VOCS, BENZENE, PCE, TCE, TOLUENE, METALS, ARSENIC, CHROMIUM
 
Abstract:  THE 22-ACRE STRASBURG LANDFILL SITE IS AN INACTIVE LANDFILL LOCATED WITHIN A 220-ACRE TRACT OF LAND IN NEWLIN AND WEST BRADFORD TOWNSHIPS, CHESTER COUNTY, PENNSYLVANIA. THE SITE IS CHARACTERIZED BY HILLS DRAINING TOWARD BRANDYWINE CREEK AND ITS FLOODPLAIN, WHICH FORMS THE SOUTHERN AND WESTERN SITE BOUNDARIES. THE NEAREST WETLAND IS THE BRIAR RUN WATERSHED LOCATED 600 FEET EAST/SOUTHEAST OF THE SITE. THE 201 SINGLE-FAMILY RESIDENCES THAT SURROUND THE SITE USE GROUND WATER AS A SOURCE OF DRINKING WATER. BEFORE LANDFILLING OPERATIONS BEGAN IN 1973, THE SITE WAS USED AS FARMLAND. FROM 1978 TO 1983, THE LANDFILL ACCEPTED INDUSTRIAL AND HEAVY METAL WASTES AND SLUDGES. STATE INVESTIGATIONS IN 1979 DETERMINED THAT LANDFILL OPERATIONS HAD RESULTED IN EXCESSIVE SILTATION OF BRIAR RUN. IN 1980, THE STATE PERMANENTLY PROHIBITED THE LANDFILL FROM RECEIVING INDUSTRIAL WASTE. IN 1983, THE OWNERS WERE CITED FOR VIOLATIONS, WHICH THEY FAILED TO CORRECT, AND THE STATE ORDERED THE LANDFILL CLOSED. CLOSURE INVOLVED CONSTRUCTING A PVC COVER AND SOIL AND VEGETATION LAYER. SUBSEQUENT STUDIES DETECTED VOCS IN BOTH ONSITE MONITORING WELLS AND OFFSITE RESIDENTIAL WELLS. THE STATE INITIATED AN INTERIM ACTION TO CONTROL THE LEACHATE, WHICH INCLUDED COLLECTION AND OFFSITE TREATMENT OF LEACHATE AT A NEARBY MUNICIPAL SEWAGE PLANT AND INSTALLING DIVERSIONS TO HALT LEACHATE FLOW. A 1989 RECORD OF DECISION (ROD) ADDRESSED CONTAMINATED RESIDENTIAL WELLS AND EXPOSURE PATHWAYS, AND PROVIDED AN INTERIM REMEDY TO LIMIT SITE ACCESS. THE PURPOSE OF THIS ROD IS TO LIMIT DIRECT CONTACT AND EXPOSURE TO CONTAMINANTS USING SITE ACCESS RESTRICTIONS, AND TO REDUCE FURTHER DEGRADATION OF THE LANDFILL COVER. REMEDIATION OF THE LANDFILL WILL BE ADDRESSED IN A FUTURE ROD. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THIS SITE ARE VOCS INCLUDING BENZENE, PCE, TCE, AND TOLUENE; AND METALS INCLUDING ARSENIC AND CHROMIUM.

THE SELECTED INTERIM REMEDIAL ACTION FOR THIS SITE INCLUDES IMPLEMENTING SITE ACCESS RESTRICTIONS INCLUDING FENCING THAT WILL ENCOMPASS THE IMMEDIATE LANDFILL AREA, ACCESS ROADS, THE SEDIMENT POND, AIR STRIPPING BUILDING, AND MONITORING WELLS; AND MAINTAINING THE FENCE AND THE EXISTING CAP. THE ESTIMATED TOTAL PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $823,020, WHICH INCLUDES AN ANNUAL O&M COST OF $55,405.

PERFORMANCE STANDARDS OR GOALS; NOT APPLICABLE.
 
Remedy:  THIS OPERABLE UNIT IS THE SECOND OF THREE OPERABLE UNITS FOR THE SITE. THE REMEDY FOR THE FIRST OPERABLE UNIT CONSISTED OF CONSTRUCTION OF A LEACHATE COLLECTION AND TREATMENT SYSTEM AND THE INSTALLATION OF FILTRATION SYSTEMS ON TWO HOME DRINKING WELL SYSTEMS. THE FIRST OPERABLE UNIT ADDRESSED THE PRINCIPAL EXPOSURE PATHWAY, AND AS A RESULT THE TWO AFFECTED HOMES WERE SUPPLIED WITH FILTRATION SYSTEMS AND THE LANDFILL LEACHATE WAS DIVERTED FROM A DIRECT DISCHARGE TO BRIAR RUN AND INTO A COLLECTION AND TREATMENT SYSTEM.

SINCE THE TIME OF THE FIRST RECORD OF DECISION (OPERABLE UNIT 1) THE AMOUNT OF UNAUTHORIZED RECREATIONAL ACTIVITY AND VANDALISM ON THE LANDFILL APPEARS TO HAVE INCREASED AND DAMAGE TO THE CAP AND TO THE LEACHATE COLLECTION AND TREATMENT SYSTEM HAS BEEN OBSERVED. THIS SECOND OPERABLE UNIT CONSISTS OF CONSTRUCTION OF APPROXIMATELY 7500 LINEAR FEET OF CHAIN LINK SECURITY FENCING AROUND THE IMMEDIATE PERIMETER OF THE LANDFILL PORTION OF THE SITE. THIS ACTION ADDRESSES THE LIMITATION OF ACCESS TO THE LANDFILL AREA AND WILL RESULT IN REDUCING PUBLIC EXPOSURE TO HAZARDOUS CHEMICALS THAT ARE PRESENT ON THE SURFACE OF THE LANDFILL, AS WELL AS REDUCING DAMAGE TO THE LANDFILL CAP.
 
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