specializing in Israeli counter intel: The type of nuclear devices used on 911 were a modified version of the W-54 nuclear artillery shells that were covertly provided to the Israelis between 1988 and 1998 from US surplus stockpiles illegally exported during the Bush/Clinton era.
Chemical analysis done by DOE Sandi was able to identify the chemical/radiation footprint or fingerprint of the warheads based on samples taken after 911 of the fallout at ground zero. (Editor’s note: Nuclear weapon use at ground zero is confirmed from multiple sources)
All plutonium based warheads have a chemical fingerprint that can identify the type of design and where the PU was made and how old it is. This was the 911 blackmail on Bush 1 and 2, the illegal transfer of surplus US nuclear weapons to the Israelis and why the continued cover up, along with the stolen gold and stock fraud that was going on Wall Street etc. According to file ENW57.pdf on page 66. (Editor’s note: Document received and confirmed)
Only a 2 kiloton device was needed to drop the buildings. A 2 kiloton device will produce a fireball of apx 150 to 200 feet in diameter at over 4000 degrees Centigrade. Just large enough to melt the I beams of the central core of the building and drop them in place. The light flash would last less than 1 second and primarily be in the UV light range. Overpressure would only be at 60PSI max and directed upwards with the blast. See underground effect.
Fallout would be minimal and located to within ground zero range only. Radiation would drop to acceptable levels within 72 hrs. after the blast. Most fall out was trapped in the cement dust thus causing all of the recent cancer deaths that we are now seeing in NYC amongst first responders. (Editor’s note: Consistent with site data)