NYC 9/11 Public Portal Document
‘ Expert Says Asbestos Slightly Raised Risks for Disease Among Residents of Lower Manh.. Page 2 of 3
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HomfiLDgliyery He also said, after examining test results and cleanup records in some
Customer Sen/ice schools in Lower Manhattan, including Stuyvesant High School and
Public School 150, that students and parents in those schools should
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have little concern about long-term health effects.
Text Version
In general, he said, people who regularly walked by the disaster site on
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their way to or from work in the days and weeks afterward were msi
exposed to lower asbestos levels, which should not worry them.
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"It's important to keep this risk in perspective," he said. "It's not a zero
increase in risk, but it's not a magnitude of risk that I think people ought AOVERTI
to be terrorized by or fearful of on a day-to-day basis."
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Asbestos, a fibrous mineral that was used for decades in the insulation get a special o1
of buildings, including parts of the twin towers, was not the only
material that people were exposed to after the Sept. 11 attack. The
billowing dust cloud contained pulverized concrete, fiberglass and FincLMQre_LQW
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other materials. Acrid smoke from the fires that burned for more than
three months at the site irritated the lungs and sinuses of thousands.
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But it is asbestos, perhaps because of the broader public awareness of $199iOffeLenc
its risks and the fear its name evokes, that has dominated the debate
about the medical and environmental consequences of the attack.
Scientists have weighed in on the risks presented by short asbestos
fibers and long ones. Some residents and workers have said that they
believed there were cover-up conspiracies, perpetrated by the city, the
federal government or building owners, to minimize cleanup costs and
liabilities.
Dr. Levin's presentation concluded that for most people, the added risks
were slight, not because asbestos is less deadly than believed, but
because most people did not get the level of exposure that, statistically,
has produced disease. One-time exposure that results in cancer many
years later is extremely rare, he said, and the scarring of the lungs that
characterizes diseases like asbestosis generally requires years of
exposure.
The catastrophic collapse of the towers smashed much of the asbestos
in the buildings into tiny fibers, which have been shown in animal tests
to be generally less dangerous than longer fibers. (Short fibers,
however, have been linked in some studies to a relatively rare cancer
called mesothelioma that affects about one in a million people in the
general population, Dr. Levin said.)
But the risks from asbestos exposure were also compounded for many
people, including rescue and cleanup workers, who did not wear
respirators sufficient to protect their lungs at ground zero and nearby.
Manv dav laborers, includine laree numbers of immierants who sooke
http://www.nytimes.eom/2002/04/26/nyregion/26ASBE.html 4/26/02
NYC-WTC_000147164
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