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A plan to clean up the former Medfield State Hospital site along the Charles River, contaminated by a decades-old oil spill and construction debris, is moving forward after town officials this week gave the project the nod.
The Board of Selectmen on Tuesday unanimously approved the state Division of Capital Asset Management and Maintenance’s conceptual plan, which could take one-and-a-half years to complete. The plan calls for cleanup of a 3.2-acre portion of the hospital site contaminated by construction and disposal debris, and of an 1,800-square-foot area along the riverbank where sediment from a 1978 oil spill rests.