Point TT-1: A Claim about the Destruction of the Twin

Towers: Impact, Jet Fuel, and Fire Only

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The Official Account

The Twin Towers were brought down by airplane impacts, jet fuel, and office fires.1

The Best Evidence

Experience, based on physical observation and scientific knowledge, shows that office fires, even with the aid of jet fuel, could not have reached temperatures greater than 1,800 degrees Fahrenheit (1,000 degrees Celsius).

But multiple scientific reports2 show that metals in the Twin Towers melted. These metals included steel, iron, and molybdenum – which normally do not melt until they reach 2,700˚F (1482˚C), 2,800˚F (1538˚ C), and 4,753˚F (2,623˚C), respectively.

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References for Point TT-1

  1. NIST, Final Report on the Collapse of the World Trade Center Towers, September 2005, p. 15. Regarding airplane impacts, see pp. 150-51; Jet fuel, pp. 24, 42; Fires, pp. 91, 127, 183.

  2. RJ Lee Group, “WTC Dust Signature Study: Composition and Morphology,” December 2003, p. 21.

    RJ Lee Group, “WTC Dust Signature,” Expert Report, May 2004, p. 12.

    Heather A. Lowers and Gregory P. Meeker, US Geological Survey, US Department of the Interior, “Particle Atlas of World Trade Center Dust,” 2005.

    Steven E. Jones et al., “Extremely High Temperatures during the World Trade Center Destruction,” Journal of 9/11 Studies 19 (January 2008).

    For discussion and summary, see David Ray Griffin, The Mysterious Collapse of World Trade Center 7, pp. 39-44.

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