To summarize for WTC 1 -
On pg 71/298, final report, just below figure 2-2:
On floors 95-96, 15-18 perimeter columns were severed and 5-6 core columns were severed, with 1-3 core columns heavily damaged.
WTC 2-
On pg90/278, final report, just below figure 3-3 :
On floors79-81, 15...