However, unlike the fine organics, the potassium concentrations in the smoke decreased exponentially during the sampling period as the fire progressed from an active flaming to a smoldering behavior.
But first of all, he said, the inquiry must deal with the events of the night and how the fire progressed in what has been termed phase one of its investigation.
In his after-action report, he wrote, "I burned the town of Austin, having first searched every building….As the fire progressed, the discharge of loaded fire arms was like volleys of musketry as the fire reached their hiding places, and two heavy explosions of powder also occurred".
Many of the emergency alerts failed to go through — CodeRed logs showed initial call failure rates of 40%, climbing to 60% as the fire progressed.
"This is critical information for us to understand how the fire progressed and also how the passengers exited," said Mark Rosekind, a member of the NTSB.
"That's when everything really came together," said Albert Yu, a senior vice president at Intel, describing the atmosphere of rapid-fire progress in the technology business in 1993.
The show traces his rapid-fire progress from academic realism in the 1950's to a calligraphic style based on indigenous art forms and myths in the nationalist 1960's, to his Expressionist responses to the Biafran civil war of the 1970's.
However, the forecast was also calling for increased humidity, which could slow the fire's progress Saturday night, Hamilton said.
Six floors below, with the fire's progress captured on video, technicians with laptop computers recorded temperature and pressure changes when the heat punctured windows, and as firefighters opened hallway or bulkhead doors to test sources of ventilation.
Of course we also need a change of culture, revised and tougher guidance on the entire system of building and fire safety, progress on the retrofitting of sprinklers and much else.
