Tag: 9/11

Hair, Glass, Metal, and Carpet: What Was In the Air at Ground Zero

By Veronique Greenwood | September 7, 2011 1:15 pm

gypsum
Crystals of smashed cement, the perfect size for lodging in lungs,
made up most of the dust rising from the World Trade Center.

When ten million of tons of building, mixed with 91,000 liters of jet fuel, collapse into a smoking heap, an incredible variety of pulverized materials rise into the air. Though no one took samples of the plume that rose up from the World Trade Center on 9/11, samples of the dust that filtered down in the following days and gas emanating from the pile have given a glimpse of what rescue workers and others breathed in: heavy metals from computers, cellulose from paper, shards of metal and stone from the buildings’ walls, calcium carbonate from the tons of smashed cement, fibers from rugs, fragments of glass and burned hair.

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CATEGORIZED UNDER: Environment, Health & Medicine
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