[ETA]
Quite revealing of the truther mindset is this sentence: "
Mark Basile will ... delegate work to an independent lab ... in order to confirm his own results".
The objective therefore is not analyze the red material and establish once and for all what it really is, and all its constituents (the identity of the organic binder, the identity of all the pigments, the exact composition of the gray oxidize structural steel layer) - no, the objective os to confirm their silly prejudice. They still don't grasp that
among Mark's results was that he determined that the Al- and Fe- content is so extremely low (under 2 and 3%, respectively), compared to the organic content (>70%), that the observed exotherm reaction (the energy yield) must have been fulled to >99% by organic combustion on air - not a thermite reaction
[/ETA]
Perhaps Ziggi, when he reads this, can elaborate a bit on all the great things Mark hasn't done!