NYC 9/11 Public Portal Document
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9/11 Dust Seen as Less Toxic Than Feared
By ANDY NEWMAN
T <http://graphics?.nytimes.com/images/dropcap/t .gif> he soot in the air of
Lower Manhattan in the first few days after the Sept. 11 attack was less
likely to cause cancer and other long-term health problems than many had
feared, according to a report released yesterday.
The report, by a team of environmental scientists studying the pollution
caused by the burning and collapse of the World Trade Center towers, found
that dust particles collected at 14 sites from Sept. 12 through 1?, 2001,
were primarily larger than those much more dangerous particles that are more
likely to lodge deeply in the lungs and stay there. The larger particles are
more easily expelled.
"That means," said Paul Lioy, one of the authors of the study, "in terms of
potential lifetime exposures, we're probably going to be very lucky in that
these may not be exposures of significant health risk."
The degree of environmental risk caused by the destruction of the towers has
been the subject of clamorous debate since before the dust even settled.
Many rescue workers and nearby residents have complained of respiratory
problems and have accused the authorities of withholding information. The
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