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Record of Decision System (RODS)

HEBELKA AUTO SALVAGE YARD

Abstract

Site Name:  HEBELKA AUTO SALVAGE YARD
Address:  UNOBTAINABLE 
City & State:  WEISENBERG TOWNSHIP  PA  18062
County:  LEHIGH
 
EPA ID:  PAD980829329
EPA Region:  03
 
NPL Status:  Deleted from the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-89/069
ROD Date:  03/31/1989
Operable Unit(s):  01
 
Media:  SOIL DEBRIS
 
Contaminant:  METALS, LEAD
 
Abstract:  THE 20-ACRE HEBELKA SITE IS LOCATED IN A RURAL AREA OF THE WEISENBURG TOWNSHIP IN LEHIGH COUNTY, PENNSYLVANIA. THE SITE IS BORDERED PRIMARILY BY AGRICULTURAL FIELDS; HOWEVER, THREE RESIDENCES ARE LOCATED ON OR IMMEDIATELY ADJACENT TO THE SITE. FROM 1958 TO 1979, THE PROPERTY WAS USED AS AN AUTOMOBILE JUNK YARD WITH INTERMITTENT PERIODS OF ACTIVITY INVOLVING SALVAGE OPERATIONS. DEBRIS INCLUDING TWO LARGE PILES OF BATTERY CASINGS, EMPTY DRUMS, JUNK CARS, AND SCRAP METAL WERE ACCUMULATED ON SITE. A SITE INSPECTION IN DECEMBER 1985 REVEALED LEAD IN SOIL DOWNGRADIENT FROM THE BATTERY PILES, AND CHROMIUM IN DOWNGRADIENT SEDIMENTS. LEAD CONCENTRATIONS WERE HIGHEST IN SURFACE SOIL SAMPLES (LESS THAN 3FT) RANGING FROM 200-65,000 MG/KG. THIS ROD ADDRESSES SOURCE CONTROL; A SECOND OPERABLE UNIT WILL ADDRESS MIGRATION PATHWAYS SUCH AS DOWNGRADIENT SEDIMENTS AND GROUND WATER. THE PRIMARY CONTAMINANT OF CONCERN AT THE SITE IS LEAD.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES EXCAVATION AND ONSITE FIXATION OF 5,000 YDS OF SOIL, FOLLOWED BY OFFSITE DISPOSAL OF TREATED SOIL AT A SANITARY LANDFILL; EXCAVATION AND RECYCLING OF 1,000 YDS OF BATTERY CASINGS; AND SOIL BACKFILLING AND REVEGETATION. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION RANGES FROM $6,073,436 TO $6,884,652; THE GREATER COST REFLECTS THE ADDITIONAL EXPENSE OF DISPOSING OF THE BATTERY CASINGS IF RECYCLING IS IMPRACTICAL. NO O&M COSTS ARE EXPECTED.
 
Remedy:  THE REMEDY DESCRIBED IN THIS RECORD OF DECISION IS THE FIRST OF TWO OPERABLE UNITS PLANNED FOR THE SITE. THIS OPERABLE UNIT ADDRESSES THE SOURCE OF THE CONTAMINATION BY REMEDIATION OF THE BATTERY CASINGS AND CONTAMINATED SOILS. AN ESTIMATED 5,000 CUBIC YARDS OF SOIL AND 1,000 CUBIC YARDS OF BATTERY CASINGS REQUIRE REMEDIATION. ADDITIONAL REMEDIAL ACTIONS ADDRESSING CONTAMINANT MIGRATION PATHWAYS (DOWNGRADIENT SEDIMENTS AND GROUND WATER) WILL BE DETERMINED IN A SECOND OPERABLE UNIT RECORD OF DECISION.

THE SELECTED REMEDY INCLUDES THE FOLLOWING MAJOR ELEMENTS:
* RECYCLING OF BATTERY CASINGS.
* EXCAVATION OF LEAD CONTAMINATED SOIL, FIXATION OF THE SOIL, UTILIZING A CEMENT OR LIME-BASED FIXATION PROCESS AND DEPOSITING THE FIXED MATERIAL IN A LANDFILL THAT THE STATE HAS PERMITTED TO ACCEPT.
 
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