Long-Term Fate of PCB Contamination in the New Bedford Harbor, Massachusetts, System

by M. C. Richmond, Battelle Pacific Northwest Lab, United States,
L. F. Hibler, Battelle Pacific Northwest Lab, United States,
T. E. Michener, Battelle Pacific Northwest Lab, United States,
M. L. Kemner, Battelle Pacific Northwest Lab, United States,
D. S. Trent, Battelle Pacific Northwest Lab, United States,
Y. Onishi, Battelle Pacific Northwest Lab, United States,



Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling

Abstract:

The transport and fate of polychlorinated biphenyls (PCBs) at the New Bedford Harbor Superfund site is modeled using a three-dimensional hydrodynamics and sediment-contaminant transport model. Simulations projecting the fate of PCBs over a 10-year period are required to assess the effectiveness of remedial action alternatives. A continuous computer simulation for the 10-year period is economically unfeasible; therefore, a method to extend the simulation results over the 10-year period was developed. The method uses a combination of transport-only calculations driven by previously computed hydrodynamics and linear extrapolation of model results. The long-term PCB simulation results for the no-action alternative are presented.

Subject Headings: Computer models | PCB | Sediment transport | Three-dimensional models | Ports and harbors | Hydrologic models | Hydrodynamics | Massachusetts | United States

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