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Record of Decision System (RODS)

ARROWHEAD ASSOCIATES, INC./SCOVILL CORP.

Abstract

Site Name:  ARROWHEAD ASSOCIATES, INC./SCOVILL CORP.
Address:  RTE 3 
City & State:  MONTROSS  VA  22520
County:  WESTMORELAND
 
EPA ID:  VAD042916361
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-91/132
ROD Date:  09/30/1991
Operable Unit(s):  01
 
Media:  SOIL GROUNDWATER
 
Contaminant:  VOCS, BENZENE, PCE, TCE, TOLUENE, XYLENES, METALS, CHROMIUM, LEAD
 
Abstract:  THE 30-ACRE ARROWHEAD ASSOCIATES/SCOVILL SITE IS A COSMETIC-CASE MANUFACTURING AND FILLING FACILITY IN WESTMORELAND COUNTY, VIRGINIA. LAND USE IN THE AREA IS PREDOMINANTLY AGRICULTURAL, WITH SEVERAL BUSINESSES. ALSO, WOODLANDS AND WETLANDS AREAS ARE LOCATED PROXIMAL TO THE SITE. THERE IS A SMALL STREAM, SCATES BRANCH, THAT ORIGINATES ONSITE AND FLOWS TO AN OFFSITE POND AND CREEK. THE SITE OVERLIES A SHALLOW AQUIFER THAT IS USED BY AN ESTIMATED 500 PEOPLE AS A DRINKING WATER SUPPLY. OWNERSHIP OF THE SITE HAS CHANGED HANDS SEVERAL TIMES. FROM 1966 TO 1979, SCOVILL, INC., AND LATER ARROWHEAD ASSOCIATES (AA), USED THE SITE FOR MANUFACTURING COSMETIC CASES USING ELECTROPLATING, LACQUERING, AND ENAMELING PROCESSES. ONCE THE PLATING PROCESS WAS COMPLETE, THE SOLUTIONS WERE DISCHARGED TO ONSITE SETTLING PONDS. SUPERNATANT FROM THESE PONDS WAS EITHER REUSED OR DISCHARGED TO SURFACE WATER. BOTTOM WASTES AND SMALL AMOUNTS OF OTHER SPENT MATERIALS WERE STORED IN DRUMS FOR SUBSEQUENT OFFSITE DISPOSAL. AFTER 1979, SITE OPERATIONS SWITCHED TO COSMETIC-CASE FILLING, AND SUBSEQUENTLY TO WIRE HARNESS MANUFACTURING. CURRENTLY, VIRGINIA ELASTICS USES THE FORMER PLATING AREA AS A STORAGE WAREHOUSE. NUMEROUS INVESTIGATIONS BY THE STATE AND EPA REVEALED EXTENSIVE SOIL AND GROUND WATER CONTAMINATION. FROM 1986 TO 1988, EPA CONDUCTED A TWO-PHASED REMOVAL ACTION AT THE SITE. PHASE I OF THE REMOVAL, CONDUCTED FROM 1986 TO 1987, INCLUDED REMOVAL OF WASTES AND VARIOUS CONTAMINATED MATERIALS. PHASE II, CONDUCTED FROM 1987 TO 1988, CONSISTED OF TREATING AND DISPOSING OF WASTEWATERS, SLUDGE, AND SOIL FROM THE FORMER SETTLING PONDS, AND OFFSITE DISPOSAL OF CONTAMINATED SOIL FROM A DRUM STORAGE AREA. IN 1990, THE PONDS WERE FILLED AND GRADED, AND EROSION CONTROL MEASURES WERE INSTALLED. THIS RECORD OF DECISION (ROD) ADDRESSES FINAL REMEDIATION OF SOIL AND GROUND WATER. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE SOIL AND GROUND WATER ARE VOCS INCLUDING BENZENE, PCE, TCE, TOLUENE, AND XYLENES; AND METALS INCLUDING CHROMIUM AND LEAD.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES IMPLEMENTING IN-SITU VACUUM EXTRACTION OF VOC-CONTAMINATED SOIL; ONSITE PUMPING AND PRETREATMENT OF CONTAMINATED GROUND WATER USING PH ADJUSTMENT, PRECIPITATION, FLOCCULATION/SEDIMENTATION, AND FILTRATION, FOLLOWED BY TREATMENT USING AIR STRIPPING AND CARBON ADSORPTION, AND ONSITE DISCHARGE OF THE TREATED WATER TO SCATES BRANCH; DISPOSING OF RESIDUAL SLUDGE AND RESIDUES FROM THE GROUND WATER TREATMENT PROCESS OFFSITE; TREATING OFF-GASES FROM THE SOIL AND GROUND WATER TREATMENT SYSTEMS USING CARBON ADSORPTION; AND IMPLEMENTING ENVIRONMENTAL MONITORING, AND INSTITUTIONAL CONTROLS INCLUDING GROUND WATER USE RESTRICTIONS. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS 77,000, WHICH INCLUDES AN ANNUAL O&M COST OF $11,833,000.

PERFORMANCE STANDARDS OR GOALS; CHEMICAL-SPECIFIC SOIL CLEANUP GOALS WILL BE DETERMINED DURING THE REMEDIAL DESIGN. CHEMICAL-SPECIFIC GROUND WATER CLEAN-UP GOALS ARE BASED ON SDWA MCLS AND INCLUDE BENZENE 5 UG/L, PCE 5 UG/L, AND TCE 5 UG/L.
 
Remedy:  THE SELECTED REMEDIAL ACTION ADDRESSES CONTAMINATED GROUNDWATER AND CONTAMINATED SOILS THAT ACT AS SECONDARY SOURCES OF CONTAMINATION.

THE MAJOR COMPONENTS OF THE SELECTED REMEDY INCLUDE;
* A GROUNDWATER EXTRACT ION NETWORK TO REMOVE CONTAMINATED GROUNDWATER FROM THE AQUIFER FOR TREATMENT;
* PRECIPITATION OF INORGANIC CONTAMINANTS FROM THE EXTRACTED WATER;
* TREATMENT OF ORGANIC CONTAMINANTS IN THE EXTRACTED WATER BY AIR STRIPPING AND CARBON ADSORPTION;
* DISCHARGE OF THE TREATED WATER TO SCATES BRANCH, A SMALL STREAM ORIGINATING ONSITE AND FLOWING INTO WEAVERS MILLPOND AND PIERCE CREEK;
* DEFINING THE EXTENT OF CONTAMINATION IN THE SOILS AND IN-SITU VAPOR EXTRACTION OF VOLATILE ORGANICS IN THE CONTAMINATED SOILS;
* CAPTURE AND TREATMENT USING CARBON ADSORPTION OF OFFGAS FROM TREATMENT TRAINS FOR SOILS AND GROUNDWATER PRIOR TO DISCHARGE TO THE ATMOSPHERE;
* IMPLEMENTATION OF AN ENVIRONMENTAL MONITORING PLAN TO EVALUATE THE EFFECTIVENESS OF THE REMEDIAL ACTION AND TO ENSURE THE PROTECT ION OF ENVIRONMENTAL RECEPTORS IN SCATES BRANCH; AND
* IMPLEMENTATION OF APPROPRIATE INSTITUTIONAL CONTROL MEASURES PROHIBITING THE USE OF CONTAMINATED GROUNDWATER TO ENSURE PROTECTION OF PUBLIC HEALTH AND THE ENVIRONMENT.
 
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