This year marks the 50th anniversary of the National Institute for Occupational Safety and Health and the 10th year of the World Trade Center Health Program. Background The September 11, 2001 attacks on the World Trade Center in New York City (NYC), the Pentagon in Arlington, Virginia, and the plane crash in Shanksville, Pennsylvania resulted in nearly 3,000 deaths and thousands of injuries. The devastation caused physical hazards as well as a massive dust cloud, consisting of pulverized building materials, electronic equipment, and furniture which blanketed the World Trade Center site and the surrounding area. It is estimated that nearly
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