Title from title screen (viewed on Aug. 20, 2008).
"October 2002."
Summary
A remote sensing and mineralogical characterization study providing information on the concentrations and distribution of asbestos and other materials in the dusts deposited around lower Manhattan after the September 11 WTC building collapse in New York City. Preliminary results were released via the Internet September 18 and September 27, 2001. After September 27, additional work was done to fill remaining data gaps, and the study report underwent further detailed peer review. The report was released to the public via the Internet on November 27, 2001. This fact sheet summarizes the results of the study; the full report can be viewed at http://geology.cr.usgs.gov/pub/open-file-reports/ofr-01-0429.
