Dredging has resumed in the Upper Hudson River for the 2012 season - Phase II Year 2. Massachusetts based Cashman Dredging & Marine Contracting Co., LLC is performing the dredging. The crews are working 24/6 on this seasonal, multi-year project.
GE has published a series of technical papers for the Hudson River Dredging Project. As this is a PCB project, evaluation of resuspension is critical. A more abstract issue is a future looking model of species weighted fish fillet average PCB concentration for 2020 and 2046.
You may also read about the Hudson River PCBs Superfund Site on the EPA website. This project was debated and then planned for many years. It is good news to see the execution phase vigorously continued.