Record of Decision System (RODS)
H. BROWN CO., INC.
|Site Name:||H. BROWN CO., INC.|
|Address:||2200 TURNER AVENUE NORTHWEST|
|City & State:||GRAND RAPIDS MI 49544|
|NPL Status:||Currently on the Final NPL|
|Media:||Groundwater, Sediment, Soil, Surface Water|
|Contaminant:||Metals, PAH, PCBs, Pesticides, 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 H. Brown Co., Inc. site is located in the City of Walker, Kent County, Michigan. The site is situated in a light industrial area, and includes Zenith Auto Parts to the north and Abbot Auto Parts to the south. The major components of the site include areas with surface soil contaminated with 500 parts per million (ppm) or more of lead, an unnamed drainage ditch east of Zenith Auto Parts, a drainage ditch named Cogswell Drain located near the southern boundary of Keizer Equipment Company, the storm sewer on Turner Avenue between Zenith Auto Parts and Cogswell Drain, and approximately the northern half of a marshy area. The Grand River lies approximately 1,000 feet from the site.
The general area of the site was once used as a landfill that received unknown types and quantities of waste. The boundaries of the landfill are not well defined, but they may extend beyond the boundaries of industries surrounding H. Brown.
The Environmental Protection Agency (EPA) signed a Record of Decision (ROD) in September 1992 addressing the entire site. It addressed contaminated surface and subsurface soils, surface water and sediments, and groundwater. The remedy selected in the ROD was a final remedial action. EPA issued a ROD Amendment in September 1995 based on data obtained from the Pre-Design Field Investigation which showed that both the solidification of the soils and the construction of a slurry wall are not feasible and are not necessary to achieve protection. The ROD Amendment required consolidating contaminated surface soil in the area where subsurface soil cleanup will be required, placing a multi-layer cap over all soils exceeding 500 ppm of lead, and long-term groundwater monitoring and institutional controls. A Unilateral Administrative Order was issued in July 1996 ordering the potentially responsible parties to design and implement the new remedy selected in the ROD Amendment. A second ROD Amendment was signed in September 1998 based on a redevelopmentplan designed to bring the H. Brown property back to beneficial use.
The Environmental Protection Agency (EPA) has determined that Alternative 2, Warehouse Redevelopment, is the most appropriate for the H. Brown site. The selected remedy is the final remedy for the site. The remedy addresses the threats posed by principal threat wastes and contaminated groundwater at the site. Principal threat wastes are defined as those source materials considered to be highly toxic or highly mobile that generally cannot be reliably contained or would present significant risk to human health or the environment should exposure occur. The major components of the selected remedy include the following: consolidating contaminated surface soil and sediment requiring cleanup onto the H. Brown property; redevelopment of the site, by private parties, with warehousing facilities constructed above the contaminated soil; a cover system comprised of clean fill, concrete slab foundations, asphalt parking areas, and landscaped areas; long-term maintenance of the cover system to ensure that the cover will continue to prevent direct contact with contaminated soil; long-term monitoring of the shallow and intermediate aquifers; monitoring and/or treatment of landfill gas; restricting the use of the land and the groundwater; demolishing on-site buildings to accommodate redevelopment; cleanup standards for the soil will remain the same as in the 1992 Record of Decision.
Estimated Capital Cost: $5,011,502
Estimated O&M Cost: $13,185
Estimated Total Present Worth (assuming 30 years of O&M and a 10 percent discount factor): $5,214,199
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