Superfund site owners to pay for N. Smithfield study

BOSTON – The owners of a former hazardous-substance disposal operation at the Landfill & Resource Recovery Superfund Site in North Smithfield have agreed to perform and pay for a study to evaluate the extent of, and cleanup options for, contaminated groundwater at the site.

Until 2014, groundwater samples collected in the monitoring wells at the edge of the landfill generally showed declining concentrations of contaminants, EPA said in a statement. However, in 2014 groundwater samples further down-gradient of the landfill found contaminant concentrations exceeding acceptable levels for volatile organic compounds and arsenic.

No site-related contamination was found in nearby residential drinking-water wells, which will continue to be monitored as a precaution.

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