Record of Decision System (RODS)
OUTBOARD MARINE CORP.
|Site Name:||OUTBOARD MARINE CORP.|
|Address:||200 SEA HORSE DR|
|City & State:||WAUKEGAN IL 60085|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
|Media:||Groundwater, Soil, Surface Water|
|Contaminant:||Base Neutral Acids, Dioxins/Dibenzofurans, Inorganics, Metals, PAH, PCBs, VOC|
Please note that the text in this document summarizes the Record of Decision for the purposes of facilitating searching and retrieving key text on the ROD. It is not the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.
THE JOHNSON OUTBOARDS DIV OF OMC WAS FOUND TO BE DISCHARGINGPCB'S TO THE WAUKEGAN HARBOR AND TO THE NORTH DITCH WHICH ARE TRIBUTARIES OF LAKE MICHIGAN. UP TO 1.0 MILLION POUNDS OF PCB MAY HAVE BEEN DISCHARGED.THE JOHNSON OUTBOARDS DIV OF OMC WAS FOUND TO BE DISCHARGINGPCB'S TO THE WAUKEGAN HARBOR AND TO THE NORTH DITCH WHICH ARE TRIBUTARIES OF LAKE MICHIGAN. UP TO 1.0 MILLION POUNDS OF PCB MAY HAVE BEEN DISCHARGED.
Operable Unit 2 (OU2):
Waukegan Manufactured Gas and Coke Plant Site is located Waukegan, Illinois on the shore of Lake Michigan. It is OU2 of the larger Outboard Marine Company National Priorities List Site. The 36-acre site consist of a seasonal boat and trailer storage, a parking lot, a large stockpile of harbor dredging, and temporary storage pile of creosote contaminated soils. Commercial and industrial land as well as a harbor serving commercial shipping surrounds this area. East of the site is a city park and recreational area.
The site was first developed commercially in 1908 as creosote wood treating plant. It was then dismantled sometime after 1917. It existed as a larger manufactured gas and coke production plant from 1928 to 1969 while operating under various owners. The coke plant structures were demolished in 1972. The property was then used for public parking, snowmobile testing, and fire training.
The U.S. EPA and North Shore Gas Company agreed to an Administrative Order on Consent (AOC) in September of 1990. This led to a Remedial Investigation/Feasibility Study (RI/FS) being conducted in two phases starting in 1992. The FS was completed and finalized in November of 1998. A Record of Decision for OU2 was signed in September 1999.
The selected remedy calls for the cleanup of both soils and ground water at the site. Contaminated soils from Polychlor Aromatic Hydrocarbon (PAH) Remediation Zone and creosote contaminated soil in the temporary storage pile will be excavated and either treated by power plant co-burning or disposed of at a Resource Conservation and Recovery Act subtitle C or D landfill. Treatment is the preferred alternative; placement of PAH soils in a landfill will only be selected if treatment is deemed not practicable during remedial design. In-situ stabilization/solidification will take place at the arsenic remediation zone. This zone will involve an estimated 3,300 to 7,200 cubic yards of soil. The remedy will also address using vegetation, asphalt and building cover for the marginal zone, the backfilled excavation areas and the southwest quadrent of the site to manage surface water drainage and erosion control. Institutional controls including site use restrictions, deed restrictions, and ground water use restrictions, and easements will also be implemented at the site.
The remedy also addresses the cleanup of ground water at the site as well. It includes the removal and on-site treatment of ground water at the site through a mobile, cell-based, low-flow extraction system. The extracted ground water will be treated. On-site treatment includes reduction of arsenic through precipitation, and the reduction of phenols, organics and ammonia through a biological system. The treated water will be reinjected through wells along the perimeter of cells. Once ground water treatment is finished a period of long term monitored natural attenuation will follow. Long term monitoring of ground water and surface water will continue to determine the effectiveness of the remedy at the site. The EPA will also conduct five-year reviews to address the overall effectiveness of the remedy.
Estimated Capital Cost: $14,100,000
Present Worth of O&M: $10,900,000
Total Present Worth:$25,000,000
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