Record of Decision System (RODS)
MACGILLIS & GIBBS CO./BELL LUMBER & POLE CO.
|Site Name:||MACGILLIS & GIBBS CO./BELL LUMBER & POLE CO.|
|Address:||440 5TH AVE NW|
|City & State:||NEW BRIGHTON MN 55112|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
|Contaminant:||Heavy metals, organics|
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 site known as the MacGillis & Gibbs and Bell Lumber and Pole facility is located in New Brighton, Minnesota. The site consists of two adjacently located wood preserving facilities. The Bell facility is located on the western portion of the site and the M & G facility is located on the east. Residences lie to the north, northeast, northwest, and southwest of the site. The site is bordered on the south by First Street NW, on the west by Eighth Avenue NW, on the north partly by 5th Street NW and on the east by Fifth Avenue NW. Wetland areas are located northeast and north west of the site. A number of surface water bodies are within 2 miles of the site. The aquifers at the site are called the New Brighton Aquifer and the Hillside Aquifer. Several of the lakes in the area and used for recreational purposes. Groundwater is used as a source of drinking water in the area. The site has been involved in wood preserving activities since the 1920s and is still active today. In 1979, the initial investigation at M&G was conducted after a spill of approximately 5000 gallons of chromated copper arsenate.
A number of studies were conducted from 1981-1987 to define the extent of contamination. In 1988, US EPA monitored some initial cleanup activities being performed by the M&G Company. Approximately 200 deteriorated drums of pentachlorophenol process wastes were stabilized in overpack drums and placed in a newly constructed storage facility. A LNAPL plume was also detected and a pump out well was installed to begin the removal of this plume. In 1990, a Focused FS was conducted by USEPA which found contamination of soils in the wood treating areas and in abandoned tanks and the groundwater. During 1993, US EPA removed 700 drums of process wastes and also contaminated soils from the LNAPL plume. US EPA completed its RI/FS for OU-3 in 1994. The RI sampling determined that there were about 30,000 cubic yards of organics-contaminated soils in and around the pentachlorophenol process area and approximately 19,000 cubic yards of metal-contaminated soils in and around the chromated copper arsenate process area. Bell entered into an agreement with the Minnesota Pollution Control Agency in 1985 to perform an investigation and cleanup of its facility. The site has been separated into three operable units. OU-1 discusses the contaminated soils and debris in a former disposal pit area on the west edge of the M&G facility. OU-2 discusses the Light Nonaqueous Phase Plume (LNAPL) in the PCP process area and residuals and sludge contained in abandoned above ground and below ground storage tanks. Removal and disposal of the above ground tanks and associated piping would also be included in OU-2. OU-3 discusses the contaminated soils, aside from the soils in OU-1, removal and disposal of underground tanks and vaults, and ground-water contamination. OU-3 also discusses the contamination which has migrated off-site to the surrounding areas. Selected remedies have already been chosen for OU-1 and OU-2. This ROD will address the selected remedial action for OU-3 of the M&G facility.
|Remedy:||The selected remedy includes excavating and treating organic contaminated soils using on-site incineration with on-site backfilling of bottom ash and off-site disposal of fly ash; treating metals-contaminated soils on-site using subsequent solidification/stabilization with disposal in an off-site landfill; removing and disposing off-site or recycling of the UST; extracting and treating contaminated groundwater using an on-site biological wastewater treatment facility; discharging of effluent water from the on-site wastewater treatment facility for final treatment to a POTW; and implementing institutional controls; monitoring groundwater in aquifers and selected ecosystems.|
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