1.   Dust from pulverized concrete and limestone permeates the air.

2.   Inside, pulverized concrete and wallboard coated overturned desks and file cabinets with a fallout of white and gray dust.

3.   Six inches of pulverized concrete blanketed the landscape.

4.   The powerful discharge blasted away thick deposits of soot and pulverized concrete, the runoff forming black streaks on the surrounding gray stone facade.

5.   Grit consisting of pulverized concrete, insulation and paper made it hard to breathe without a mask.

6.   Grit consisting of pulverized concrete, insulation and paper made it hard to breathe, and it covered the streets in a gray blanket several inches thick.

7.   He attributed the condition to exposure to the dust from the pulverized concrete and limestone that permeates the air near the site of the disaster.