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Record of Decision System (RODS)

LASALLE ELECTRIC UTILITIES

Abstract

Site Name:  LASALLE ELECTRIC UTILITIES
Address:  ST VINCENT RD 
City & State:  LA SALLE  IL  61301
County:  LA SALLE
 
EPA ID:  ILD980794333
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-86/041
ROD Date:  08/29/1986
Operable Unit(s):  01
 
Media:  SOIL
 
Contaminant:  PCBS
 
Abstract:  THE LASALLE ELECTRICAL UTILITIES (LEU) SITE IS LOCATED IN WEST-CENTRAL LASALLE COUNTY IN THE CITY OF LASALLE IN NORTH-CENTRAL ILLINOIS. THERE ARE APPROXIMATELY 190 PEOPLE AND 70 RESIDENCES LOCATED WITHIN 1/8 MILE OF THE LEU PROPERTY. LEU, A FORMER MANUFACTURER OF ELECTRICAL EQUIPMENT, BEGAN OPERATING PRIOR TO WORLD WAR II. BETWEEN THE LATE 1940S AND 1978, PCBS WERE UTILIZED IN THE PRODUCTION OF CAPACITORS. UNDOCUMENTED REPORTS ALLEGE THE APPLICATION OF PCB-CONTAMINATED WASTE OIL AS A DUST SUPPRESSANT BOTH ON AND OFF THE PROPERTY UNTIL AS LATE AS 1969. FOLLOWING THE REGULATION OF PCBS, MANIFESTS DOCUMENT THE DISPOSAL OF PCBS AT ALL REGULATED FACILITIES. BEGINNING IN SEPTEMBER 1975, NUMEROUS GOVERNMENT AGENCIES CONDUCTED VARIOUS INSPECTIONS AND ISSUED NUMEROUS COMPLAINTS AND ORDERS TO THE LEU COMPANY AS A RESULT OF ITS MANUFACTURING AND HANDLING PRACTICES. SOIL SAMPLING CONDUCTED BY THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY (IEPA) IN DECEMBER 1980 DOCUMENTED ONSITE PCB CONTAMINATION. CONTINUED SOIL SAMPLING REVEALED OFFSITE CONTAMINATION IN MARCH AND MAY 1981 AND THE IEPA ORDERED THE COMPANY TO CEASE OPERATIONS IN MAY 1981. THE U.S. EPA CONDUCTED IMMEDIATE REMOVAL ACTIONS THAT INVOLVED FENCING THE LEU PROPERTY AND CAPPING A PORTION OF THE HEAVILY CONTAMINATED ONSITE PROPERTY; CAPPING CONTAMINATED OFFSITE PROPERTY TO THE SOUTH OF THE SITE; AND STAGING, SAMPLING AND PACKAGING PCB WASTE MATERIAL FOR FUTURE DISPOSAL. OF THE TOTAL 28,690 CUBIC YARDS OF SOIL CONTAMINATED ABOVE 5PPM, APPROXIMATELY 22,240 CUBIC YARDS ARE OFFSITE ON THE COMMERCIAL PROPERTY IMMEDIATELY TO THE SOUTH AND RESIDENTIAL PROPERTY TO THE EAST OF THE SITE WITH APPROXIMATELY 27 AFFECTED PROPERTY OWNERS. THE PRIMARY CONTAMINANT OF CONCERN IS PCB.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES; EXCAVATION OF APPROXIMATELY 25,530 CUBIC YARDS OF CONTAMINATED RESIDENTIAL OFFSITE SOIL AND REPLACEMENT WITH CLEAN FILL; INCINERATION OF CONTAMINATED SOILS WITH A MOBILE, ONSITE, THERMAL DESTRUCTION UNIT; AND CONVENTIONAL INDUSTRIAL CLEANING, WHICH WOULD INCLUDE VACUUMING, HAND WASHING, STEAM JET CLEANING, AND ADSORPTION OF ALL STRUCTURES WHERE SOIL REMOVAL ACTIVITIES HAVE TAKEN PLACE. THE ESTIMATED PRESENT WORTH COST IS $26,400,000 WITH NO ANNUAL O&M COSTS.
 
Remedy:  THE SELECTED REMEDY CONSISTS OF THE FOLLOWING MAJOR COMPONENTS;

- EXCAVATION OF CONTAMINATED RESIDENTIAL OFF-SITE SOILS
- INCINERATION OF CONTAMINATED SOILS WITH A MOBILE, ON-SITE, THERMAL, DESTRUCTION UNIT
- INDUSTRIAL CLEANING OF ALL STRUCTURES WHERE EXCAVATION OCCURS.
 
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