- Construction Date: July 2019 to October 2020
- Location: New Bedford, MA
- Category: Soil Remediation
In June 2019 NSI constructed over a 25x50x30feet cofferdam as a test cell for chemical remediation. While a relatively small cofferdam the design required several mobilizations to remove and re-configure the structure to facilitate the remedial design. The installation is designed to remove low level PCB concentrations dissolved in groundwater passing through the cell.