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Of Bulkheads and Barriers

The East Hampton Town Trustees were agreeable to the proposed rebuilding of a bulkhead on Three Mile Harbor when they met on Monday. They were also amenable to a proposed installation, behind that bulkhead, of a permeable reactive barrier — typically a long, narrow trench filled with a material such as iron, limestone, carbon, or mulch to remove contaminants as groundwater passes through it — that would prevent an estimated 500 pounds of nitrogen from entering the water body annually.