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Record of Decision System (RODS)

BUTTERWORTH #2 LANDFILL

Abstract

Site Name:  BUTTERWORTH #2 LANDFILL
Address:  1500 BUTTERWORTH 
City & State:  GRAND RAPIDS  MI  49504
County:  KENT
 
EPA ID:  MID062222997
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-92/221
ROD Date:  09/29/1992
Operable Unit(s):  01
 
Media:  Soil
 
Contaminant:  VOCs, Other Organics, Metals
 
Abstract:  SITE HISTORY/DESCRIPTION: The 180-acre Butterworth #2 Landfill is a municipal landfill in Grand Rapids, Kent County, Michigan. Land use in the area is predominantly residential and industrial. The site, which lies within the 100-year floodplain of the Grand River, contains wetland drainage areas with emergent aquatic communities. Prior to 1967, the area to the east of the stormwater out-fall was used as a municipal landfill (Butterworth #1). This portion of the site was operated as an open landfill where daily cover of refuse was not provided. After the enactment of Michigan Act 87 in 1965, Butterworth #1 was closed, and Butterworth #2 and #3 were opened. Several high-voltage power transmission lines pass through the landfill, and landfilling was not allowed in the areas below the power lines; however, it was discovered that the area was allegedly used to dispose of liquid wastes, such as solvents and paint sludge. Records indicate thatfrom 1967 to 1971, approximately 3,000 to 4,000 cubic yards of waste per day were received at the landfill. In 1988, a surface soil/test pit assay identified PCBs at levels of 800 mg/kg and chromium at levels of 43,000 mg/kg. In 1990, a removal action was initiated to address this contamination, which resulted in 1,100 tons of material being removed from the site. This ROD addresses a final remedy for the landfill via capping and establishing ACLs for site-specific contaminants of concern in ground water. The primary contaminants of concern affecting the soil are VOCs, including benzene, TCE, and xylenes; other organics, including PCBs and pesticides; and metals, including arsenic, chromium, and lead. PERFORMANCE STANDARDS OR GOALS: Chemical-specific ground water clean-up goals were not established in this ROD because current contamination levels will be determined through sampling of compliance monitoring wells for eight consecutive quarters over a 2-year period. The indicator parameters to be analyzed quarterly will include all chemicals established as chemicals of concern. After the initial 2-year period of quarterly sampling, ground water shall be monitored for the next 3 years on a quarterly basis; then, analysis will be made for the primary contaminants of concern. INSTITUTIONAL CONTROLS: Institutional controls in the form of deed and ground water use restrictions will be implemented to control future development of the landfill area, and to prohibit the installation of ground water drinking water wells outside the point of compliance (the landfill boundary).
 
Remedy:  SELECTED REMEDIAL ACTION: The selected remedial action for this site includes removing and disposing of exposed drums containing hazardous materials at an offsite RCRA facility; upgrading the landfill cover to include a clay cap, and gas venting and treatment systems to meet state standards; revegetating the area; installing additional monitoring wells in the upper and lower aquifers, and implementing a long-term monitoring program for ground water, surface water, sediment, and biota; establishing ACLs for site ground water based on the current level of contamination; mitigating affected wetlands; implementing institutional controls including deed and ground water use restrictions. The estimated present worth cost for this remedial action is $15,230,000, which includes an annual O&M cost of $110,000 for 30 years.
 
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