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Record of Decision System (RODS)

MILL CREEK DUMP

Abstract

Site Name:  MILL CREEK DUMP
Address:  3081 W 17TH ST 
City & State:  ERIE  PA  16505
County:  ERIE
 
EPA ID:  PAD980231690
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-86/023
ROD Date:  05/07/1986
Operable Unit(s):  01
 
Media:  GROUNDWATER SEDIMENTS SOIL SURFACE WATER WETLANDS
 
Contaminant:  HEAVY METALS, PAHS, PCBS, PHENOLS, TCE, VOCS
 
Abstract:  THE MILLCREEK SITE IS A 84.5-ACRE TRACT OF LAND LOCATED IN MILLCREEK TOWNSHIP, ERIE COUNTY, PENNSYLVANIA. THE SITE WAS ONCE A 75-ACRE FRESHWATER WETLAND. DURING THE PAST 40 YEARS, ALL BUT 4 ACRES HAVE BEEN FILLED WITH FOUNDRY SAND AND INDUSTRIAL AND MUNICIPAL WASTE. THE SITE OPERATED AS AN UNPERMITTED ACTIVE LANDFILL DURING THIS TIME. FOR THE PAST 15 YEARS, UNKNOWN PARTIES BULK DISPOSED HALOGENATED VOLATILE SOLVENTS IN SOILS IN THE EASTERN PORTION OF THE SITE. THIS DISPOSAL HAS RESULTED IN SIGNIFICANT GROUND WATER CONTAMINATION BOTH ON AND OFFSITE. UNIT CANCER RISK CALCULATIONS REVEAL THAT OFFSITE GROUND WATER CONTAMINATION EXCEEDS 10-2 CANCER RISK LEVELS ADJACENT TO THE EASTERN PORTION OF THE SITE. IN ADDITION, REGION III'S REMEDIAL INVESTIGATION DISCOVERED EXTENSIVE SOIL, SEDIMENT, AND SURFACE WATER CONTAMINATION. THE MAJOR CLASSES OF COMPOUNDS DETECTED INCLUDED; POLYCHLORINATED BIPHENYLS (PCBS), POLYNUCLEAR AROMATIC HYDROCARBONS (PAHS), PHTHALATES, VOLATILE ORGANICS, PHENOLS AND METALS SUCH AS LEAD AND COPPER.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES; EXCAVATION AND CONSOLIDATION OF CONTAMINATED SOIL AND SEDIMENTS UNDER A RCRA CAP TO MEET PROPOSED CRITERIA; SITE GRADING; PLACING A SOIL COVER OVER REMAINING LOW LEVEL CONTAMINATED SOILS NOT EXCEEDING THE PROPOSED CRITERIA; CONSTRUCTION OF SURFACE WATER MANAGEMENT BASINS AND DITCHES; REVEGETATION OF SOIL COVER AND CAP; INSTALLATION OF ADDITIONAL MONITORING WELLS; CONSTRUCTION OF A FLOOD RETENTION BASIN ON PROPERTY OWNED BY MILLCREEK TOWNSHIP; PUMPING AND TREATING OF CONTAMINATED GROUND WATER; ADDITIONAL SAMPLING AND WELL INSTALLATION AND GROUND WATER MONITORING. TOTAL CAPITAL COST ESTIMATES FOR THE SELECTED REMEDIAL ALTERNATIVE VARY FROM $12,000,000 TO $18,000,000 WITH AN ESTIMATED BASELINE COST OF $15,000,000. FOR THESE ESTIMATES, CAPITAL COSTS INCLUDED ALL COSTS ASSOCIATED WITH EXCAVATION, REGRADING, REVEGETATING, CAPPING AND GROUND WATER PUMPING AND TREATING FOR TWO YEARS. ADDITIONAL SAMPLING AND MONITORING WELLS WILL BE CONSIDERED AS PART OF THE DESIGN. DESIGN IS ESTIMATED TO COST APPROXIMATELY $1,000,000 AND WILL BE FUNDED ENTIRELY BY TRUST FUND MONIES. TOTAL PRESENT WORTH COST FOR O&M IS ESTIMATED TO BE $1,763,000.
 
Remedy:  - SOIL EXCAVATION AND CONSOLIDATION UNDER A RCRA CAP TO MEET PROPOSED SOIL CRITERIA (CRITERIA TO BE REEVALUATED DURING DESIGN).
- SEDIMENT EXCAVATION AND CONSOLIDATION UNDER A RCRA CAP TO MEET PROPOSED SEDIMENT CRITERIA (CRITERIA TO BE REEVALUATED DURING DESIGN).
- SITE GRADING.
- SOIL COVER OVER REMAINING LOW LEVEL CONTAMINATED SOILS NOT EXCEEDING CRITERIA.
- CONSTRUCTION OF SURFACE WATER MANAGEMENT BASINS AND DITCHES.
- REVEGETATION OF SOIL COVER AND CAP.
- INSTALLATION OF ADDITIONAL MONITORING WELLS.
- CONSTRUCTION OF FLOOD RETENTION BASIN ON PROPERTY OWNED BY MILLCREEK TOWNSHIP.
- PUMPING AND TREATING OF CONTAMINATED GROUNDWATER.
- DESIGN OF THE REMEDY WHICH WILL REQUIRE ADDITONAL SAMPLING AND WELL INSTALLATION.
- OPERATION AND MAINTENANCE WILL BE IMPLEMENTED BY THE STATE OF PENNSYLVANIA ON THE RCRA CAP, FLOOD RETENTION BASINS, SURFACE.
 
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