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Record of Decision System (RODS)

EASTERN DIVERSIFIED METALS

Abstract

Site Name:  EASTERN DIVERSIFIED METALS
Address:  LINCOLN AVENUE 
City & State:  HOMETOWN  PA  18252
County:  SCHUYLKILL
 
EPA ID:  PAD980830533
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-91/135
ROD Date:  03/29/1991
Operable Unit(s):  01
 
Media:  SOIL SEDIMENT DEBRIS GROUNDWATER SURFACE WATER
 
Contaminant:  VOCS, TCE, OTHER ORGANICS, DIOXIN, PCBS, LEAD, METALS
 
Abstract:  THE 25-ACRE EASTERN DIVERSIFIED METALS (EDM) SITE IS A FORMER METALS RECLAMATION FACILITY IN RUSH TOWNSHIP, SCHUYLKILL COUNTY, PENNSYLVANIA. LAND USE IN THE AREA IS PREDOMINANTLY AGRICULTURAL WITH SMALL POCKETS OF RESIDENTIAL, COMMERCIAL, AND UNDEVELOPED LAND. IN ADDITION, A SMALL WESTWARD MOVING STREAM TRAVERSES THE SITE'S SOUTHERN BORDER AND DISCHARGES INTO THE LITTLE SCHUYLKILL RIVER, 250 FEET WEST OF THE SITE. BEFORE 1966, THE SITE WAS OWNED BY AN ALUMINUM MANUFACTURING FACILITY. FROM 1966 TO 1977, EDM RECLAIMED COPPER AND ALUMINUM FROM METAL WIRE AND CABLE IN AN ONSITE PROCESSING BUILDING. PLASTIC INSULATION SURROUNDING THE METAL WIRE AND CABLE WAS MECHANICALLY STRIPPED AND SEPARATED, AND THE WASTE INSULATION WAS DISPOSED OF BEHIND THE PROCESSING FACILITY. OVER TIME, THE INSULATION MATERIAL FORMED A RESIDUAL PILE OF "PLASTIC FLUFF," THE MOST DISTINCTIVE SITE FEATURE. IN 1974, THE STATE REQUIRED EDM TO INSTALL A LEACHATE COLLECTION AND TREATMENT SYSTEM ONSITE TO MONITOR, COLLECT, AND TREAT LEACHATE EMANATING FROM THE FLUFF PILE. BECAUSE OF HIGH BOD CONCENTRATIONS IN THE LEACHATE, A SECONDARY TREATMENT WAS DESIGNED AND INSTALLED, CHANNELING LEACHATE USING DRAINAGE DITCHES AND COLLECTION TRENCHES THROUGH AN EQUALIZATION LAGOON TO AN ONSITE TREATMENT PLANT. IN 1977, EDM TERMINATED OPERATIONS, AND IN 1979 AND 1980, RESIDENTS COMPLAINED OF ODORS FROM THE SITE AND EXPRESSED HEALTH CONCERNS. SUBSEQUENT STATE AND EPA INVESTIGATIONS FROM 1983 TO 1985 DETERMINED THAT THE FLUFF PILES, SOIL, SEDIMENT, LEACHATE, AND GROUND WATER WERE CONTAMINATED BY VOCS, OTHER ORGANICS, AND METALS. THIS RECORD OF DECISION (ROD) ADDRESSES TWO OF THREE OPERABLE UNITS (OUS) AT THE EDM SITE. THIS ROD PROVIDES A FINAL REMEDY FOR "HOT SPOT" FLUFF AND SOIL AREAS, METAL-CONTAMINATED SEDIMENT AND SOIL, AND MISCELLANEOUS DEBRIS AS OU1; AND PROVIDES AN INTERIM REMEDY FOR CONTAMINATED GROUND WATER AS OU2. FUTURE RODS WILL ADDRESS THE FINAL SELECTED ACTIONS FOR GROUND WATER (OU2), AND THE REMAINDER OF THE FLUFF PILE (OU3). THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE SOIL, SEDIMENT, DEBRIS, GROUND WATER, AND SURFACE WATER ARE VOCS INCLUDING TCE; OTHER ORGANICS INCLUDING DIOXINS AND PCBS; AND METALS INCLUDING LEAD.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES REMOVING 480 CUBIC YARDS OF SOIL CONTAMINATED WITH LEAD ABOVE FEDERAL TARGET LEVELS FROM DRAINAGE DITCHES; EXCAVATING AND INCINERATING, EITHER ONSITE OR OFFSITE, 500 CUBIC YARDS OF DIOXIN-CONTAMINATED FLUFF AND 5,160 CUBIC YARDS OF PCB-CONTAMINATED FLUFF AND SOIL IN EXCESS OF FEDERAL TARGET LEVELS; CONSOLIDATING THE ONSITE SCATTERED FLUFF WITH THE REMAINDER OF THE FLUFF PILE; REMOVING 120 CUBIC YARDS OF SAND/SILT/CLAY STREAM SEDIMENT CONTAMINATED BY METALS ABOVE FEDERAL TARGET LEVELS; CONDUCTING TOXICITY TESTING ON INCINERATOR RESIDUALS, MISCELLANEOUS DEBRIS, AND POSSIBLY ON SOIL AND SEDIMENT DEPENDING ON TYPE OF DISPOSAL OR CONTAINMENT; DISPOSING OF INCINERATOR RESIDUALS IN AN OFFSITE MUNICIPAL LANDFILL OR CONSOLIDATING THESE WITH THE REMAINING FLUFF PILE ONSITE, IF RESIDUALS PASS THE TOXICITY TEST; IF RESIDUALS FAIL THE TOXICITY TEST, TREATING WITH STABILIZATION PRIOR TO DISPOSAL; DISPOSING OF ONSITE SOIL AND/OR SEDIMENT PASSING THE EP TOXICITY TEST IN AN OFFSITE MUNICIPAL LANDFILL; OR IF SOIL AND SEDIMENT FAIL AN EP TOXICITY TEST, STABILIZING PRIOR TO DISPOSAL; DISPOSING OF MISCELLANEOUS DEBRIS PASSING THE TOXICITY TEST IN AN OFFSITE MUNICIPAL LANDFILL; OR IF MISCELLANEOUS DEBRIS FAILS THE TOXICITY TEST, DISPOSING OF THESE MATERIALS IN AN APPROPRIATE RCRA UNIT; UPGRADING SURFACE WATER RUN-ON/RUN-OFF CONTROLS; INSTALLING A GROUND WATER COLLECTION TRENCH PARALLEL TO THE EXISTING TRENCH TO RELIEVE OVERBURDEN GROUND WATER FLOW; TREATING GROUND WATER AND LEACHATE AT AN ONSITE TREATMENT PLANT THAT UTILIZES EQUALIZATION BASINS, CLARIFICATION, DISCHARGE, AND BIOLOGICAL TREATMENT, WITH ONSITE DISCHARGE; UPGRADING THE WASTEWATER TREATMENT FACILITY AND EXISTING EQUALIZATION LAGOON, OR CONSTRUCTING A NEW LAGOON TO MEET FEDERAL REQUIREMENTS; AND FURTHER STUDYING THE PRACTICABILITY OF DEEP GROUND WATER RESTORATION. THE ESTIMATED PRESENT WORTH FOR THIS REMEDIAL ACTION IS $12,429,000, WHICH INCLUDES A PRESENT WORTH O&M COST OF $1,428,000 FOR 30 YEARS.

PERFORMANCE STANDARDS OR GOALS; CHEMICAL-SPECIFIC GOALS FOR SOIL, SEDIMENT, AND FLUFF ARE BASED ON FEDERAL STANDARDS AND INCLUDE DIOXIN 20 UG/KG, LEAD 1,000 MG/KG, AND PCBS 25 MG/KG. IF FATE AND TRANSPORT MODELING SHOWS THAT LOWER VALUES ARE APPROPRIATE, THOSE VALUES WILL BE USED.
 
Remedy:  THE CONTAMINATED MEDIA AT THE SITE ARE DIVIDED INTO OPERABLE UNITS AS FOLLOWS;
* OU1; HOTSPOT AREAS (DIOXIN AND PCB-CONTAMINATED FLUFF AND SOIL AREAS CONTAMINATED ABOVE TARGET LEVELS) SEDIMENTS AND SOILS CONTAMINATED WITH METALS ABOVE TARGET LEVELS MISCELLANEOUS DEBRIS
* OU2; GROUND WATER
* OU3; REMAINDER OF THE SITE, IN PARTICULAR THE REMAINDER OF THE FLUFF PILE

THIS ROD ADDRESSES THE FIRST AND SECOND OPERABLE UNITS. EPA ANTICIPATED ADDRESSING THE THIRD OPERABLE UNIT LATER THIS YEAR. THE SELECTED ACTION FOR THE FIRST OPERABLE UNIT IS A FINAL REMEDY WHICH PROVIDES FOR TREATING THE PRINCIPAL THREATS AT THE SITE -- THE DIOXIN AND PCB-CONTAMINATED FLUFF AND SOILS -- THROUGH INCINERATION. THE REMEDY ALSO CALLS FOR TREATING THE INCINERATOR RESIDUALS AND METALS-CONTAMINATED SEDIMENTS AND SOILS, IF NECESSARY, AS DETERMINED BY EP TOXICITY OR OTHER APPROPRIATE TOXICITY TESTING, THROUGH STABILIZATION. THE STABILIZED/UNSTABILIZED MEDIA EITHER BE DISPOSED AT AN OFFSITE LANDFILL OR CONSOLIDATED WITH OTHER MEDIA ONSITE. THE MISCELLANEOUS DEBRIS WILL BE DISPOSED OFFSITE.
THE SELECTED FINAL REMEDY FOR OPERABLE UNIT 1 AND INTERIM REMEDY FOR OPERABLE UNIT 2 INCLUDE THE FOLLOWING MAJOR COMPONENTS;
* EXCAVATE AND INCINERATE, EITHER ONSITE OR OFFSITE, DIOXIN CONTAMINATED FLUFF EXCEEDING THE TARGET LEVEL. THE TARGET LEVEL FOR DIOXIN WILL BE EITHER 20 UG/KG OR A LEVEL AS DETERMINED BY A RECOGNIZED FATE AND TRANSPORT MODEL, WHICHEVER IS LOWER. THE ESTIMATED VOLUME OF DIOXIN CONTAMINATED FLUFF IS 500 CUBIC YARDS.
* EXCAVATE AND INCINERATE, EITHER ONSITE OR OFFSITE, PCB CONTAMINATED FLUFF AND SOILS IN EXCESS OF THE TARGET LEVEL. THE TARGET LEVEL FOR PCB CONTAMINATED FLUFF AND SOILS WILL BE EITHER 25 MG/KG OR A LEVEL AS DETERMINED BY A RECOGNIZED FATE AND TRANSPORT MODEL, WHICHEVER IS LOWER. THE ESTIMATED VOLUME OF PCB CONTAMINATED FLUFF AND SOIL IS 5,160 CUBIC YARDS.
* REMOVE THE LEAD CONTAMINATED SOILS IN THE DRAINAGE DITCHES ABOVE TARGET LEVELS. THE TARGET LEVEL FOR LEAD CONTAMINATED SOILS WILL BE EITHER 1,000 MG/KG OR A LEVEL AS DETERMINED BY A RECOGNIZED FATE AND TRANSPORT MODEL, WHICHEVER IS LOWER. THE ESTIMATED VOLUME OF LEAD CONTAMINATED SOILS IS 480 CUBIC YARDS.
* REMOVE THE METALS CONTAMINATED SAND/SILT/CLAY SIZE STREAM SEDIMENTS ABOVE TARGET LEVELS. TARGET LEVELS WILL DETERMINED BY A RECOGNIZED FATE AND TRANSPORT MODEL. THE ESTIMATED VOLUME OF METALS CONTAMINATED SEDIMENTS IS 120 CUBIC YARDS. REMAINDER OF THE FLUFF PILE ONSITE.
* INSTALL A GROUND WATER COLLECTION TRENCH PARALLEL TO THE EXISTING TRENCH, DOWN TO THE TOP OF BEDROCK, WITH AN ESTIMATED INFLOW RATE OF 20 GPM. THE DEEPENED TRENCH WOULD EXTEND THE LENGTH OF THE INTERMITTENT STREAM THAT IS POTENTIALLY FED BY OVERBURDEN GROUND WATER FLOW.
* UPGRADE THE WASTE WATER TREATMENT FACILITY AS NECESSARY IN ORDER TO ACHIEVE PENNSYLVANIA NPDES PERMIT LIMITS FOR ORGANICS AND PENNSYLVANIA ARARS FOR METALS IN SURFACE WATERS, AS SET FORTH BELOW.
* STUDY FURTHER THE PRACTICABILITY OF DEEP GROUND WATER RESTORATION.
* UPGRADE SURFACE WATER RUNON/RUNOFF CONTROLS.
* COLLECT AND CONSOLIDATE THE ONSITE SCATTERED FLUFF WITH THE REMAINDER OF THE FLUFF PILE.
* UPGRADE THE EXISTING SITE FENCE AND CONTINUE SITE MAINTENANCE AND MONITORING. THE REMAINDER OF THE SELECTED REMEDY CAN BE FOUND ON THE DECLARATION PAGE OF THIS ROD.
 
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