Peconic River Restoration and Sediment Trap Removal Completed

January 2011

Peconic River Restoration and Sediment Trap Removal Completed

Removal of Peconic River sediment trap

Following the 2004/05 remediation, the Peconic River was extensively monitored in accordance with the Record of Decision. After several years of monitoring mercury levels in the river, in 2010/2011 BNL went back into the river to remove additional sediment in two locations. One onsite and one just over the BNL boundary. The work was completed in January 2011; just over one third of an acre of sediment was removed.

On January 4, 2011, the sediment trap was removed from the river. The trap had been constructed in March of 2002, prior to the start of the restoration project, to minimize the potential for migration of contaminants beyond the BNL boundary.

The river will continue to be monitored, but no additional work is anticipated.