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  • Microscopical Studies of World Trade Center Disaster Dust Particles

  • J.R. Millette, R. Boltin, P. Few, W. Turner, Jr.
  • Journal:
    Microscopy Today / Volume 11 / Issue 5 / August 2003
    Published online by Cambridge University Press:
    14 March 2018, pp. 32-37
    Print publication:
    August 2003
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  • The terrorist attack and collapse of two towers of the World Trade Center (WTC) in New York City on September 11, 2001 generated tremendous clouds of dust that settled over a wide area. Concern over the potential health effects of breathing this dust made it imperative that the WTC dust be characterized as completely as possible. As part of this characterization, a microscopical examination using several types of microscopes provided key data on the components of the dust. The WTC dust sample that is the primary focus of this report was collected by F.C. Ewing from an outdoor window ledge at 33 Maiden Lane, New York City, NY on October 7, 2001.