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Record of Decision System (RODS)

OLD CITY OF YORK LANDFILL

Abstract

Site Name:  OLD CITY OF YORK LANDFILL
Address:  RD# 1 SOUTH RD 
City & State:  SEVEN VALLEYS  PA  17360
County:  YORK
 
EPA ID:  PAD980692420
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-91/128
ROD Date:  09/30/1991
Operable Unit(s):  01
 
Media:  GROUNDWATER
 
Contaminant:  BENZENE, PCE, TCE
 
Abstract:  THE 178-ACRE OLD CITY OF YORK LANDFILL SITE IS A MUNICIPAL WASTE LANDFILL IN SPRINGFIELD TOWNSHIP, YORK COUNTY, PENNSYLVANIA. LAND IN THE SURROUNDING AREA IS PREDOMINANTLY AGRICULTURAL AND WOODED. THE SITE IS BOUNDED TO THE SOUTHEAST AND THE NORTHWEST BY TRIBUTARIES TO CODORUS CREEK, AND THESE TRIBUTARIES ARE PARTIALLY FED BY SEEPS DISCHARGING FROM THE VALLEY AND HILLSIDES NEAR THE LANDFILL. TEN RESIDENCES LOCATED WITHIN 1/4 MILE OF THE SITE HAVE OR HAD GROUND WATER FROM DOMESTIC WATER WELLS AS THEIR DRINKING WATER SUPPLY. FROM 1961 UNTIL ITS CLOSURE IN 1975, THE CITY USED 56 ACRES OF THE SITE AS A LANDFILL FOR MUNICIPAL, WASTES, HOWEVER, SOME INDUSTRIAL WASTE WAS ALSO DISPOSED OF AT THE SITE. IN 1978, THE PROPERTY WAS SOLD TO PRIVATE OWNERS. AFTER LOCAL RESIDENTS EXPRESSED CONCERN OVER WATER QUALITY, THE STATE CONDUCTED A RESIDENTIAL WELL SAMPLING PROGRAM FROM 1981 TO 1985. VOCS WERE IDENTIFIED IN SIX RESIDENTIAL WELLS; AS A RESULT, PUBLIC WATER MAIN WAS INSTALLED AT THE SITE. IN 1982, THE STATE NOTIFIED THE CITY AND SITE OWNERS THAT OPERATION OF AND EXISTING CONDITIONS AT THE LANDFILL WERE IN VIOLATION OF THE CLEAN STREAMS ACT AND DIRECTED THE CITY TO CONDUCT A SITE ASSESSMENT TO EVALUATE CLEAN-UP MEASURES. DURING 1987 AND 1989, THE CITY, UNDER A STATE ORDER, INSTALLED A GROUND WATER RECOVERY AND TREATMENT SYSTEM CONNECTED TO AN AIR STRIPPING TOWER, WHICH HAS NOT YET STARTED OPERATION. EIGHT ONSITE COLLECTION VAULTS CONTAINING A TOTAL OF 1,120 CUBIC FEET OF ORANGE-TINTED SEDIMENT AND WATER ARE LOCATED ON THE SITE. THESE VAULTS ARE PART OF AN OLD LEACHATE COLLECTION SYSTEM WHICH IS NO LONGER FUNCTIONING. IN 1991, THE OWNER PLACED A DEED RESTRICTION ON THE ENTIRE SITE TO PREVENT GROUND WATER AND SURFACE WATER USAGE, ADDITIONAL AGRICULTURAL USAGE, SUBDIVISION OF THE PROPERTY, AND SOIL DISTURBANCE. THIS RECORD OF DECISION (ROD) ADDRESSES THE LONG-TERM THREATS TO SOIL, GROUND WATER, AND SURFACE WATER PRODUCED BY THE LANDFILL AND VAULT SEDIMENT. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE GROUND WATER ARE VOCS INCLUDING BENZENE, PCE, AND TCE.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES RESTORING AND REVEGETATING THE SOIL COVER IN THE NORTHEASTERN PORTION OF THE SITE; DISPOSING OF VAULT SEDIMENT OFFSITE; INSTALLING A DIVERSION SWALE ALONG SOUTH ROAD; INSTALLING A GROUND WATER RECOVERY/TREATMENT SYSTEM USING THE EXISTING AIR STRIPPER, OR ADDING ADDITIONAL ONES, AS NEEDED, WITH ONSITE DISCHARGE TO SURFACE WATER; INSTALLING A LANDFILL GAS VENTING WITH MONITORING PROBES; MAINTAINING PERIMETER FENCING AT THE LEACHATE COLLECTION VALUES; AND MONITORING GROUND WATER, SURFACE WATER, AND SEDIMENT. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $8,291,080 WHICH INCLUDES AN ANNUAL O&M COST OF $259,080 FOR 30 YEARS.

PERFORMANCE STANDARDS OR GOALS; REMEDIATION OF GROUND WATER WILL CONTINUE UNTIL CONTAMINANT LEVELS MEET THE LOWER OF SITE BACKGROUND LEVELS, WHICH ARE METHODS DETECTION LIMITS; AND FEDERAL AND STATE STANDARDS INCLUDING SDWA MCLS, PROPOSED MCLS, AND RISK-BASED LEVELS.
 
Remedy:  ON OCTOBER 27, 1987, THE CITY OF YORK, RITE-WAY SERVICES, AND ALLECO, INC. (ON BEHALF OF THE MACKE COMPANY AND SERVICE AMERICA CORPORATION) ENTERED INTO AN ADMINISTRATIVE ORDER ON CONSENT WITH EPA TO CONDUCT THE REMEDIAL INVESTIGATION AND FEASIBILITY STUDY (RI/FS) FOR THE OLD CITY OF YORK LANDFILL SITE (THE "SITE"). THE SITE WAS OPERATED AS A MUNICIPAL WASTE LANDFILL FROM APPROXIMATELY 1961 TO 1975. MATERIAL DISPOSED OF AT THE LANDFILL WAS PREDOMINANTLY MUNICIPAL REFUSE WITH SOME COMMERCIAL AND INDUSTRIAL WASTES. DURING THE RI PROCESS, IT WAS DETERMINED THAT GROUND WATER CONTAMINATION EMANATES FROM THE LANDFILLED AREAS ONSITE, THAT THE EXISTING SOIL COVER HAS ERODED OVER A PORTION OF THE NORTHEASTERN CORNER OF THE SITE, AND EXISTING LEACHATE COLLECTION VAULTS ONSITE ARE FILLED TO CAPACITY WITH CONTAMINATED SEDIMENT. THE SELECTED REMEDY FOR THIS SITE ADDRESSES THE LONG-TERM THREATS PRESENT AT THE OLD CITY OF YORK LANDFILL SITE.

THE SELECTED REMEDY INCLUDES THE FOLLOWING MAJOR COMPONENTS;
* RESTORATION OF THE SOIL COVER IN THE NORTHEASTERN PORTION OF REFUSE AREA #3 TO A TWO FOOT MINIMUM.
* OPERATION OF A GROUND WATER RECOVERY/TREATMENT SYSTEM IN BOTH REFUSE AREAS #1 AND #3 AND THE INSTALLATION OF ADDITIONAL EXTRACTION WELLS IN THESE AREAS, IF NEEDED.
* REMOVAL OF SEDIMENT FROM THE CONCRETE COLLECTION VAULTS WITH SUBSEQUENT DISPOSAL AT AN OFFSITE PERMITTED TREATMENT, STORAGE, OR DISPOSAL FACILITY.
* INSTALLATION OF A LANDFILL GAS VENTING SYSTEM TO PREVENT LANDFILL GAS MIGRATION.
* CONSTRUCTION OF A PERIMETER FENCE AT THE LEACHATE COLLECTION VAULTS TO PREVENT PUBLIC ACCESS.
* IMPLEMENTATION OF A GROUND WATER AND SURFACE WATER/SEDIMENT MONITORING PROGRAM TO ENSURE CONTINUED PROTECTION TO HUMAN HEALTH AND THE ENVIRONMENT.
 
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