The exposure zone refers to "ground zero" and the area surrounding the World Trade Center in the aftermath of its destruction in the 9/11 terrorist attacks. This includes “the area in Manhattan south of the line that runs along Canal Street from the Hudson River to the intersection of Canal Street and East Broadway, north on East Broadway to Clinton Street, and east on Clinton Street to the East River; and any area related to or along the routes of debris removal, such as barges and Fresh Kills landfill.