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Record of Decision System (RODS)

OUTBOARD MARINE CORP.

Abstract

Site Name:  OUTBOARD MARINE CORP.
Address:  200 SEA HORSE DR 
City & State:  WAUKEGAN  IL  60085
County:  LAKE
 
EPA ID:  ILD000802827
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Amendment
ROD ID:  EPA/AMD/R05-89/096
ROD Date:  03/31/1989
Operable Unit(s):  01
 
Media:  SOIL SEDIMENT
 
Contaminant:  PCBS
 
Abstract:  THE OUTBOARD MARINE SITE IS ON THE WEST SHORE OF LAKE MICHIGAN IN WAUKEGAN, ILLINOIS. A MARINE PRODUCTS MANUFACTURING PLANT OPERATED AT THE SITE FOR APPROXIMATELY 20 YEARS UNTIL PRODUCTION ENDED IN THE EARLY 1970S. FROM 1961 TO 1972 HYDRAULIC FLUID CONTAINING PCBS WAS USED AT THE PLANT IN THE DIE CAST WORKS. THIS FLUID WAS LATER DISCHARGED TO SLIP 3 OF THE HARBOR, A PARKING LOT NORTH OF THE PLANT, AND THREE AREAS KNOWN AS THE NORTH DITCH, OVAL LAGOON, AND CRESCENT DITCH. THERE IS AN ESTIMATED 700,000 POUNDS OF PCBS ONSITE AND APPROXIMATELY 300,000 POUNDS IN WAUKEGAN HARBOR. IN 1984 EPA BEGAN ENGINEERING DESIGN WORK FOR THE SELECTED REMEDIAL ACTIONS PRESENTED IN A 1984 RECORD OF DECISION (ROD) TO CLEAN UP CONTAMINATED SOIL AND SEDIMENT AT THE SITE. DURING 1985, HOWEVER, ALL ACTIONS WERE SUSPENDED DUE TO LITIGATION BETWEEN OUTBOARD MARINE CORPORATION (OMC) AND EPA REGARDING EPA ACCESS TO OMC'S PROPERTY. SECTION 122 OF SARA SPECIFICALLY ADDRESSED ACCESS PROBLEMS AND UPON ITS EFFECTIVE DATE, NEGOTIATIONS WITH OMC RESUMED FOR IMPLEMENTATION OF THE REMEDY. AFTER NEGOTIATIONS BETWEEN EPA AND OMC WERE COMPLETED, A CONSENT DECREE WAS SIGNED IN 1986 BY OMC. UNDER THE CONSENT DECREE MOST PORTIONS OF THE REMEDIAL ACTION DESCRIBED IN THE 1984 ROD REMAIN UNCHANGED. AN ONSITE TREATMENT STEP WAS ADDED, HOWEVER, TO MEET THE SARA PREFERENCE FOR TREATMENT REQUIREMENT. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE SOIL AND SEDIMENT ARE PCBS.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES CONSTRUCTION OF A CUTOFF WALL AND SLURRY WALL TO ISOLATE SLIP 3 AND FORM A CONTAINMENT CELL; CONSTRUCTION OF A NEW SLIP TO REPLACE SLIP 3, AND RELOCATE LARSEN MARINE; REMOVAL AND TREATMENT OF SEDIMENT IN SLIP 3 WHICH EXCEED 500 MG/KG PCB; DREDGING OF UPPER HARBOR SEDIMENT ABOVE 50 MG/KG AND PLACEMENT OF CONTAMINATED SEDIMENT IN THE NEW SLIP 3 CONTAINMENT CELL; EXCAVATION AND ONSITE TREATMENT OF SOIL AND SEDIMENT EXCEEDING 10,000 MG/KG PCBS FROM THE CRESCENT DITCH/OVAL LAGOON AREA; CONSTRUCTION OF A WEST CONTAINMENT CELL FOR TREATMENT RESIDUES AND LOWER CONCENTRATION PCB-CONTAMINATED SOIL; CONSTRUCTION OF AN EAST CONTAINMENT CELL AROUND THE PARKING LOT AREA; CONSTRUCTION OF A TEMPORARY, ONSITE WATER TREATMENT FACILITY FOR DREDGED WATER; CONSTRUCTION OF A PERMANENT WATER TREATMENT FACILITY; ONSITE TREATMENT OF CONTAINMENT CELL WATER FOLLOWED BY DISCHARGE TO EITHER A POTW OR AN ONSITE LOCATION; CAPPING OF ALL CONTAINMENT CELLS; AND GROUND WATER MONITORING. THE ESTIMATED CAPITAL COST FOR THIS REMEDIAL ACTION IS $19,000,000; O&M COSTS WERE NOT PROVIDED.
 
Remedy:  THE MAJOR COMPONENTS OF THIS REMEDIAL ACTION INCLUDE:

* A NEW SLIP WILL BE CONSTRUCTED ON THE EAST SIDE OF THE UPPER HARBOR TO REPLACE SLIP 3 AND LARSEN MARINE WILL BE RELOCATED FROM ITS PRESENT LOCATION TO THE NEW SLIP.
* SLIP 3 WILL BE PERMANENTLY ISOLATED FROM THE UPPER HARBOR BY THE CONSTRUCTION OF A DOUBLE-WALLED, BRACED, AND SOIL-BENTONITE WALL WITH A MINIMUM THICKNESS OF THREE FEET WILL BE CONSTRUCTED.
* THE MOST HIGHLY CONTAMINATED SEDIMENTS FROM SLIP 3 WITH PCB CONCENTRATIONS IN EXCESS OF 500 PPM WILL BE REMOVED FROM THE SLIP AND TREATED. THE UPPER HARBOR WILL BE DREDGED AND THE DREDGED MATERIALS PLACED IN THE NEWLY-CONSTRUCTED SLIP 3 CONTAINMENT CELL.
* TWO ADDITIONAL CONTAINMENT CELLS WILL BE CONSTRUCTED USING THE SAME DESIGN USED FOR THE CONSTRUCTION OF THE SLIP 3 CONTAINMENT CELL.
* SOILS AND SEDIMENTS EXCAVATED FROM SLIP 3, THE NORTH DITCH, CRESCENT DITCH AND OVAL LAGOON AREAS DESIGNATED FOR TREATMENT WILL BE SUBJECTED TO AN ON-SITE TREATMENT PROCESS.
* A SHORT-TERM WATER TREATMENT FACILITY WILL BE CONSTRUCTED FOR TREATING WATER GENERATED DURING THE REMEDIAL CONSTRUCTION ACTIVITIES. DREDGE WATER WILL BE TREATED BY SAND FILTRATION. OTHER WATER GENERATED DURING THE COURSE OF REMEDIAL ACTIVITY WILL BE TREATED UTILIZING THE SAND FILTRATION STEP TO REMOVE SEDIMENTS FROM THE WATER, FOLLOWED BY-CARBON ADSORPTION TREATMENT.
* A SMALLER PERMANENT WATER TREATMENT FACILITY WILL BE CONSTRUCTED TO TREAT WATER EXTRACTED FROM THE CONTAINMENT CELLS.
* WHEN ALL MATERIALS HAVE BEEN DEPOSITED IN THE CELLS, THEY WILL BE CLOSED AND CAPPED WITH A HIGH DENSITY POLYETHYLENE (HDPE) LINER AND SOIL COVER.
* MONITORING WELLS WILL BE CONSTRUCTED AROUND THE CELL PERIMETERS AND MONITORED PERIODICALLY TO VERIFY GROUNDWATER QUALITY.
 
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