| Abstract |
The LaSalle Electrical Utilities (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. 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. 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. The first operable unit ROD, signed September 19, 1986, addressed offsite soil contamination. The second remedial action operable unit addresses PCB and VOC contamination in soil, sediments, building structures, and ground water. The selected remedial action for the site is proposed in the report. The estimated present worth cost for the remedial action is $34,495,180. |
