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Record of Decision System (RODS)

ENVIROCHEM CORP.

Abstract

Site Name:  ENVIROCHEM CORP.
Address:  865 SOUTH STATE ROAD 421 
City & State:  ZIONSVILLE  IN  46077
County:  BOONE
 
EPA ID:  IND084259951
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-87/049
ROD Date:  09/25/1987
Operable Unit(s):  01
 
Media:  GROUNDWATER SEDIMENTS SOIL SURFACE WATER
 
Contaminant:  INORGANICS, OILS, ORGANICS, PESTICIDES, TCE, VOCS
 
Abstract:  THE NORTHSIDE SANITARY LANDFILL (NSL) AND THE ENVIRONMENTAL CONSERVATION AND CHEMICAL CORPORATION (ECC) ARE ADJACENT SITES LOCATED IN BOONE COUNTY, INDIANA. THESE TWO SITES HAVE BEEN COMBINED INTO THE FIRST REMEDIAL ACTION BECAUSE OF THEIR CLOSE PROXIMITY, AND DUE TO SIMILARITIES IN CONTAMINANTS, AFFECTED MEDIA, REMEDIATION NEEDS AND REGULATORY STATUS. BETWEEN 1977 AND 1982, ECC WAS INVOLVED IN THE RECOVERY/RECLAMATION/BROKERING OF PRIMARY SOLVENTS, OILS AND OTHER WASTES RECEIVED FROM INDUSTRIAL CLIENTS. WASTE PRODUCTS WERE RECEIVED IN DRUMS AND BULK TANKERS AND PREPARED FOR SUBSEQUENT RECLAMATION OR DISPOSAL. ONSITE ACCUMULATION OF CONTAMINATED STORMWATER, POOR MANAGEMENT OF DRUM INVENTORY AND SEVERAL SPILLS PROMPTED STATE AND U.S. EPA INVESTIGATION OF ECC. BETWEEN 1977 AND 1981 SOME STILL BOTTOM AND OILY LIQUID WASTES WERE PERMITTED TO BE DISPOSED OF AT NSL. IN MAY 1982, ECC WAS ORDERED BY THE COURT TO CLOSE AND ENVIRONMENTALLY SECURE THE SITE FOR FAILURE TO PRODUCE HAZARDOUS WASTE INVENTORIES. TWO EMERGENCY ACTIONS IN MARCH 1983 AND MARCH 1985 ELIMINATED THE MAJOR SOURCES OF CONTAMINATION AT THE SITE. SOILS ON SITE CONTAIN HIGH CONCENTRATIONS OF ORGANIC COMPOUNDS INCLUDING TRANS-1,2-DCE, TRICHLOROETHENE, 1,1-DCE AND VINYL CHLORIDE. THE POSSIBILITY EXISTS FOR THE PRESENCE OF OTHER SOURCES OF CONTAMINATION AT THE SITE.

SOMETIME BETWEEN 1955 AND 1962, NSL BEGAN LANDFILL OPERATIONS. FROM 1972 TO 1973, NUMEROUS OPERATIONAL DEFICIENCIES, INCLUDING FAILURE TO COVER REFUSE, SURFACE BURNING, UNDERGROUND FIRES, LEACHATE AND VERMIN PROBLEMS RESULTED IN THREE INDIANA STATE BOARD OF HEALTH (ISBH) ORDERS TO CEASE OPERATIONS. OPERATIONS WERE PERMITTED AT THE SITE BY FEBRUARY 1975. BY NOVEMBER 1982, NSL HAD ACCEPTED AT LEAST 16 MILLION GALLONS OF HAZARDOUS SUBSTANCES. GROUND WATER, SURFACE WATER, SOIL AND SEDIMENTS ARE CONTAMINATED WITH INORGANICS, ORGANICS, PESTICIDES, ACIDS, BASE-NEUTRAL COMPOUNDS, OILS AND VOCS INCLUDING BENZENE, 1,1-DCE AND TCE.

THE RECOMMENDED ALTERNATIVE FOR THE TWO SITES COMBINED INCLUDES; IMPLEMENTING DEED AND ACCESS RESTRICTIONS TO PREVENT FUTURE SITE DEVELOPMENT; EXCAVATION AND DEWATERING OF 4,200 YD3 OF LEACHATE SOILS AND SEDIMENTS WITH ONSITE DISPOSAL UNDER A RCRA MULTI-LAYER CAP; SOIL CAPPING ON NON-RCRA CAPPED AREAS; SITE GRADING; DEMOLITION OF FORMER ECC PROCESS BUILDING FOLLOWED BY CAPPING; RE-ROUTING OF SURFACE WATERS; LEACHATE COLLECTION AND TREATMENT AT NSL; AND GROUND WATER COLLECTION AND ONSITE TREATMENT FOR BOTH SITES. THE ESTIMATED PRESENT WORTH COST FOR THIS REMEDIAL ACTION IS $33,900,000.
 
Remedy:  THE SELECTED REMEDIAL ALTERNATIVE IS GROUND WATER INTERCEPTION AND TREATMENT PLUS CAPPING, AND INCLUDES THE FOLLOWING MAJOR COMPONENTS;

- DEED AND ACCESS RESTRICTIONS TO PREVENT FUTURE DEVELOPMENT OF THE SITES.
- A MULTI-LAYER CAP OVER BOTH SITES WHICH MEETS THE REQUIREMENTS OF THE RESOURCE CONSERVATION AND RECOVERY ACT.
- RE-ROUTING SURFACE WATERS TO REDUCE POTENTIAL FOR CONTAMINANT MOVEMENT TO SURFACE WATER.
- LEACHATE COLLECTION AND TREATMENT FOR NSL.
- GROUND WATER COLLECTION AND TREATMENT FOR BOTH SITES.
- MONITORING TO ENSURE EFFECTIVENESS OF REMEDY COMPONENTS LISTED ABOVE.
 
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