Since the twin towers at the World Trade Center in New York collapsed on Sept. 11, there has been a concern about asbestos being released into the air at the site.
The Environmental Protection Agency has been conducting tests to measure the levels of asbestos and other pollutants in dust and air samples at ground zero. Fortunately, in the two months following the attacks, few samples were found to be above federal standards in thousands tested.
However, some workers at ground zero have reported a persistent cough, sore throat and other respiratory problems they claim is a result of prolonged exposure to the smoke and dust. The condition has been dubbed the “World Trade Center cough.”
Although the majority of the tests show levels of contaminants including asbestos at low risk to the general public, workers at ground zero could be at a higher risk because of the long hours they spend in the dusty environment. Therefore, workers are encouraged to wear protective gear. Meanwhile, officials continue to monitor the site.
Commercial production of asbestos insulation began in 1879, and until the early 1970s, asbestos was widely used for...
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