U.S. EPA Contaminated Site Cleanup Information (CLU-IN)


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FIFTH FIVE-YEAR REVIEW REPORT FOR THE MARATHON BATTERY COMPANY SUPERFUND SITE PUTNAM COUNTY, NEW YORK
U.S. EPA Region 2, 34 pp, 2018

The Marathon Battery Company manufactured nickel-cadmium batteries from 1952-1979. Discharge from the plant contaminated the Hudson River and Foundry Cove via a wastewater treatment system. Samples indicated contamination as high as 120,000 mg/kg Cd and 130,000 mg/kg Ni in the building rafters, and up to 600 mg/kg Cd on facility grounds. Cd concentrations up to 67 mg/kg were found in soils in the adjacent residential yards. Chlorinated VOCs and inorganics were detected in the groundwater underlying the plant grounds. The selected remedy included dredging; excavating and capping or backfilling excavated areas; marsh restoration; decontamination of the former facility; and continued monitoring of the site. In May 2013, three additional air sparge (AS) wells and three additional vapor monitoring point wells were installed as part of the AS/SVE groundwater pilot study. The system removed 30 lbs of VOCs by May 2014. Continuous sparging of the groundwater with ozone took place from June 2017 to June 2018. Groundwater monitoring will be evaluated for one year to determine the success of this effort. https://semspub.epa.gov/work/02/550203.pdf



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