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Record of Decision System (RODS)



Address:  446 FISHER DAM RD 
City & State:  HAMBURG  PA  19526
County:  BERKS
EPA ID:  PAD980831812
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-92/150
ROD Date:  07/02/1992
Operable Unit(s):  02
Media:  Soil, Debris, Groundwater
Contaminant:  Metals, Inorganics
Abstract:  SITE HISTORY/DESCRIPTION: The 14-acre Brown's Battery Breaking site is an inactive lead acid battery processing facility in Tilden Township, Berks County, Pennsylvania. The area surrounding the site is primarily agricultural with scattered rural residences. The site is bordered by Conrail tracks and Mill Creek. The entire site lies within the 100-year floodplain of the Schuylkill River. From 1961 to 1971, the facility recovered lead-bearing materials from automobile and truck batteries by breaking the battery casings, draining the acid, and recovering the lead alloy, grids, plates, and plugs. During this time, battery acid and rinse water from recovery activities were dumped onto the soil, and crushed casings were disposed of onsite or used as a substitute for road gravel. During the 1980's, state onsite and offsite investigations identified lead concentrations in excess of acceptable limits in residents' blood levels, livestock, soil, and surface waters. A 1983 EPA investigation also revealed extensive lead contamination in onsite soil and sediment located in the Schuylkill River. As a result of the investigations, EPA initiated a removal action that relocated three families, and excavated and consolidated 13,000 cubic yards of contaminated soil and battery casings into an onsite containment area, which was capped with a low permeability cap. In 1990, a second removal temporarily relocated all onsite residents and implemented institutional controls. A 1990 ROD addressed implementation of deed restrictions and relocation of affected residents. This ROD addresses the remediation of onsite soil, battery casings, and ground water as a final action at the site. The primary contaminants of concern affecting the soil, debris, and ground water are metals, including lead and nickel; and inorganics, including sulfate. PERFORMANCE STANDARDS OR GOALS: Clean-up levels for lead-contaminated soil are based on present EPA policy. An ARAR waiver has been issued on the basis that EPA will achieve an Equivalent Standard of Performance in the protection of human health and the environment. The recommended action level for residential areas is between 500 and 1,000 mg/kg, but no criterion for industrial areas has been established. EPA, therefore, has determined 1,000 mg/kg as the clean-up level for the lead-contaminated soil. Ground water clean-up goals for the shallow bedrock aquifer are based on CWA WQC and state standards. Chemicalspecific clean-up goals for this site are background levels except for manganese, which must be cleaned to 50 mg/l (state). Other ground water goals include beryllium 0.19 ug/l (WQC); cadmium 0.88 ug/l (WQC); lead << 3 ug/l (WQC); manganese 50 ug/l (state); nickel 2.9 ug/l (WQC); and sulfate 27 ug/l (WQC). INSTITUTIONAL CONTROLS: Deed restrictions will be implemented limit the site to industrial use only.
Remedy:  SELECTED REMEDIAL ACTION: The selected remedial action for this site includes excavating andtreating 67,000 cubic yards of soil and battery casings offsite using an innovative thermal treatment technology, followed by offsite disposal; constructing two vertical limestone barriers in the shallow aquifer to neutralize lead levels; pumping and treatment of contaminated ground water in the bedrock aquifer using ph adjustment, precipitation, and ion exchange, with onsite discharge; transporting sludge generated during the treatment process offsite for disposal at a POTW; monitoring ground water; and implementing institutional controls, including deed restrictions to limit site use; providing for a contingent remedy, which allows for stabilization/solidification of the soil and casings, followed by offsite disposal of the stabilized mass, if the selected innovative alternative cannot be implemented. The estimated present worth cost for this remedial action is $12,316,000. No O&M costs were specified in this ROD.
Text:  View full-text ROD [ 95K ]
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