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Record of Decision System (RODS)

ARCANUM IRON & METAL

Abstract

Site Name:  ARCANUM IRON & METAL
Address:  POP-RITE LN 5MI OFF RTE 49 
City & State:  DARKE COUNTY  OH  45304
County:  DARKE
 
EPA ID:  OHD017506171
EPA Region:  05
 
NPL Status:  Deleted from the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-86/036
ROD Date:  09/26/1986
Operable Unit(s):  01
 
Media:  GROUNDWATER SEDIMENT SOIL SURFACE WATER
 
Contaminant:  ANTIMONY, ARSENIC, HEAVY METALS, LEAD
 
Abstract:  THE ARCANUM IRON AND METAL (AIM) SITE IS A 4.5 ACRE SITE LOCATED IN TWIN TOWNSHIP, DARKE COUNTY, OH JUST SOUTHEAST OF THE CITY OF ARCANUM AND 25 MILES NORTHWEST OF DAYTON. THE AIM SITE OPERATED AS A LEAD BATTERY REPROCESSING FACILITY FROM THE EARLY 1960S UNTIL 1982. DURING THIS OPERATION, BATTERY CASINGS WERE SPLIT TO EXTRACT LEAD CORES FOR SMELTING. BATTERY ACIDS GENERATED FROM THIS OPERATION WERE DUMPED IN A LARGE STEEL TROUGH AND ALLOWED TO DRAIN TO A LOW AREA. REPROCESSING OF THE PLASTIC AND BLACK RUBBER BATTERY CASINGS GENERATED LEAD OXIDE SLUDGE AND LEAD PARTICULATES WHICH COLLECTED ON THE GROUND SURFACE AND SURFACE PONDS ONSITE. PAST PRACTICES AT THE FACILITY INCLUDED BURIAL OF SOME MATERIALS IN ONSITE PITS. RESULTS OF THE SURFACE SOIL AND SOIL BORING SAMPLES TAKEN DURING THE RI INDICATE THAT LEAD IS THE PRIMARY CONTAMINANT OF CONCERN WITH ANTIMONY AND ARSENIC LEADING THE CONTAMINANTS OF SECONDARY CONCERN. LEAD WAS DETECTED IN ONSITE AND OFFSITE MONITORING WELLS BUT NOT IN THE SIX OFFSITE RESIDENTIAL WELLS SAMPLED. LEAD CONTAMINATION WAS ALSO FOUND IN ONSITE AND OFFSITE SURFACE WATER AND SEDIMENTS AND THREE ONSITE BUILDINGS. IN ADDITION, AN ESTIMATED 3,800 CUBIC YARDS OF SHREDDED BATTERY CASINGS EXIST ONSITE.

THE COST EFFECTIVE REMEDY SELECTED INCLUDES; REMOVAL OF ONSITE CONTAMINATED SOILS TO 500 PPM LEAD AND DISPOSAL IN OFFSITE RCRA SUBTITLE C LANDFILL; REMOVAL OF OFFSITE SOILS TO BACKGROUND LEAD CONCENTRATIONS AND DISPOSAL OF SOILS ABOVE 500 PPM IN OFFSITE RCRA SUBTITLE C LANDFILL AND SOILS BETWEEN BACKGROUND AND 500 PPM ONSITE; CONTINUED GROUND WATER MONITORING SEMI-ANNUALLY; IMPROVEMENT OF SITE DRAINAGE; REMOVAL OF BATTERY CASINGS, CONDUCTION OF TREATABILITY STUDIES, AND PLACEMENT IN RCRA SUBTITLE C LANDFILL; CLEANING OR DEMOLISHING CONTAMINATED ONSITE FACILITIES; AND DEED RESTRICTIONS ON SITE LAND USE AND AQUIFER USE IN THE AFFECTED AREAS. TOTAL CAPITAL COST OF THE SELECTED ALTERNATIVE IS ESTIMATED TO BE $9,929,000 WITH ANNUAL O&M COSTS APPROXIMATELY $37,000.
 
Remedy:  - REMOVE ONSITE CONTAMINATED SOILS TO 500 PPM LEAD. DISPOSE OF SOILS OFFSITE IN RCRA SUBTITLE C LANDFILL.
- REMOVE OFFSITE SOILS TO BACKGROUND LEAD CONCENTRATIONS. DISPOSE OF SOILS ABOVE 500 PPM IN RCRA SUBTITLE C LANDFILL. SOILS BETWEEN BACKGROUND AND 500 PPM PLACED ONSITE.
- CONTINUE MONITORING THE GROUNDWATER SEMI-ANNUALLY.
- IMPROVE SITE DRAINAGE.
- REMOVE REMAINING BATTERY CASINGS AND PLACE IN A RCRA SUBTITLE C LANDFILL.
- DEMOLISH OR CLEAN CONTAMINATED FACILITIES ONSITE.
- DEED RESTRICTIONS ON THE SITE LAND USE AND AQUIFER USE IN THE AFFECTED AREAS.
 
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