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|
|ROD Type:||Record of Decision|
|Media:||Soil; Sediment; Debris; Ground Water; Surface Water; Air|
|Contaminant:||VOCs, Other Organics, Metals|
|Abstract:||SITE HISTORY/DESCRIPTION: The H. Brown Company, Inc., site is a former landfill and battery reclamation facility in Walker, Kent County, Michigan. Land use in the area is predominantly recreational and industrial, with a wetland area located approximately at the northern half of a marshy area within the current eastern boundary of the site. In addition, part of the site lies within the 500-year floodplain of the Grand River. Before 1961, the site was an uncontrolled dump that received unknown types and quantities of waste. From 1961 to 1982, the owner reclaimed lead from wet-cell batteries. From 1961 and 1978, the owner reclaimed lead from wet-cell batteries and poured battery acid directly on the ground surface. The total volume of battery acid disposed of is estimated to be between 170,000 and 460,000 gallons. From 1978 until the owner ceased active reclamation activities in 1981 or 1982, battery acid was not drained to the ground; instead, it was routed to a stainless-steel catch pan and tank. In 1970, the state inspected the site and noticed acidic waters draining into a culvert that discharged into the Grand River. In 1978, the state sampled wastewater at the facility and found elevated levels of lead, copper, and nickel. EPA became involved with the site in the early 1980's and sampling of surface water from the culvert leading to the Grand River indicated elevated levels of chromium and lead. In 1989, the Agency for Toxic Substances and Disease Registry and the state investigated the site and determined that the site posed a risk to onsite workers and the community. In response to an EPA-issued unilateral administrative order to 10 PRPs in April 1991, the owner's widow and the H. Brown Company erected a fence and performed limited air monitoring around the site. This ROD addresses the final remedy for the site. The primary contaminants of concern affecting the soil, sediment, debris (battery casings), ground water, surface water, and air are VOCs, including benzene, toluene, and xylenes; other organics, including PAHs, PCBs, pesticides, and phenols; and metals, includingarsenic, chromium, and lead. PERFORMANCE STANDARDS OR GOALS: Chemical- specific soil clean-up goals are based on site risks, state ARARs, or background levels and include PCBs 1 mg/kg (state); arsenic 6.6 mg/kg (background); lead 5 mg/kg (state). Chemical-specific ground water clean-up goals include benzene 1 ug/l (state); arsenic 17.9 ug/l (state); and lead 1,423 ug/l (background). INSTITUTIONAL CONTROLS: Institutional controls, including deed restrictions and ground water use restrictions, will be implemented to prevent exposure to site contaminants, prevent cap erosion, and provide security for the remedial action equipment.|
|Remedy:||SELECTED REMEDIAL ACTION: The selected remedial action for this site includes demolishing onsite buildings to allow cleanup of contaminated soil beneath structures, and disposing of the debris in an onsite or offsite landfill; onsite decontamination of buildings not requiring demolition; consolidating contaminated surface soil onsite; treating an estimated180,000 cubic yards of soil, sediments, and battery chips onsite using in- situ solidification/stabilization; constructing a containment wall around the treated soil, sediment, and debris, and covering the solidified material using a multi-layer cap; extracting contaminated ground water from the shallow aquifer beneath the site; treating collected ground water and surface water onsite using aeration, filtration, carbon adsorption, and ion exchange, prior to onsite discharge to the Grand River; conducting additional studies to further define the extent of contamination in the intermediate and bedrock aquifers; monitoring ground water and surface water; and implementing institutional controls including deed and ground water use restrictions, and site access restrictions such as fencing. The estimated present worth cost for this remedial action is $15,000,000, which includes an annual O&M cost of $220,000 for 2-3 years.|
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