Test Shows How Toxins Might Spread
From Times Wire Reports
Government scientists released colorless, harmless gas at four Manhattan locations as part of an effort to find out how fast and far a toxic substance could spread in the city.
“It went very well,” said Susan Bauer, a spokeswoman for the Urban Dispersion Program, which aims to produce a computerized model of air flow patterns that could help authorities decide how to evacuate people after a chemical or biological attack.
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