They say they did not and nist just talk some BS.
IMO it is very very likely that Kevin Ryan is right.
"Even beginning students know that UL is one of the few important organizations supporting codes and specifications because they "produce a Fire Resistance Index with hourly ratings for beams, columns, floors, roofs, walls and partitions tested in accordance with ASTM Standard E119."  The Federal Emergency Management Administration (FEMA) itself made this point clear in their WTC report by saying "the UL Fire Resistance Directory ...is the major reference used by architects and engineers to select designs that meet the building code requirements for fire resistance ratings." "www.911blogger.com/node/8038