NYC 9/11 Public Portal Document
Asbestos Trends Lower Manhattan through 12/17/01 wysiwyg^//^http://209.41.59.209/wtc/asbestostrendsweb.ht
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Ambient Air Asbestos Trends at all EPA Lower Manhattan Monitoring Stations
The below map shows the locations of EPA air monitoring stations in lower Manhattan.
Select a station to view a chart of ambient asbestos values over time. These charts are also
available as , and in their
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Each chart shows how much asbestos EPA measured in the air at a given site, on the dates
shown. Daily summaries of this data and how it compares to the level of concern for public
health are
EPA can measure asbestos in several ways. For these charts, EPA is providing measurements
in terms of the number of asbestos structures found per square millimeter within our air
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OCR can misread numbers and units. Confirm readings against the page image before using them.