Letter from Dr. Steven Jones to Congressman Cannon

Steve Jones sent this letter today to U.S. Congressman Christopher Cannon, R-Utah:

"Dear Congressman Cannon [and assistant]:

Thank you for your letter and for your attention to these important issues, about which I have written the Congressman before. It is heartening to hear a response promising some action.

Yes, I do have some questions that I ask of the National Institute of Standards and Technology (NIST), and I appreciate your offer for assistance in getting answers.

1. Quoting from the NIST fact sheet (August 2006):
Q: "Was the steel tested for explosives or thermite residues? The combination of thermite and sulfur (called thermate) "slices through steel like a hot knife through butter."

A: "NIST did not test for the residue of these compounds in the steel."

NIST qualifies the statement saying they "did not test for the residue of these compounds IN THE STEEL."
Did they test for residues of aluminothermic (thermite-family)
reactions anywhere? Solidified slag? WTC dust? If so, what did they find? If they did not test for such residues anywhere, why not?

2. Quoting again from the NIST fact sheet:

"NIST concluded that the source of the molten material [observed flowing out of WTC2 before its collapse] was aluminum alloys from the aircraft, since these are known to melt between 475 degrees Celsius and 640 degrees Celsius (depending on the particular alloy), well below the expected temperatures (about 1,000 degrees Celsius) in the vicinity of the fires.