USGS World Trade Center Reports

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Date Entity Title URL Pages
2001-11-02 U.S. Geological Survey Open File Report 01-0405 Images of the World Trade Center Site Show Thermal Hot Spots on September 16 and 23, 2001 [1] 3
2001-11-27 U.S. Geological Survey Open File Report 01-0429 Environmental Studies of the World Trade Center area after the September 11, 2001 attack [2] 6
2002-11-06 U.S. Geological Survey Fact Sheet 0050-02 USGS Environmental Studies of the World Trade Center Area, New York City, after September 11, 2001 [3] 4
2005-01-01 U.S. Geological Survey Open File Report 2005-1031 Determination of a Diagnostic Signature for World Trade Center Dust using Scanning Electron Microscopy Point Counting Techniques [4] 18
2005-03-01 U.S. Geological Survey Open File Report 2005-1073 Analysis of Background Residential Dust for World Trade Center Signature Components Using Scanning Electron Microscopy and X-Ray Microanalysis [5] 11
2005-05-11 U.S. Geological Survey Open File Report 2005-1165 Particle Atlas of World Trade Center Dust [6] 20
2005-11-15 U.S. Geological Survey Spectroscopic and X-Ray Diffraction Analyses of Asbestos in the World Trade Center Dust Asbestos Content of the Settled Dust [7] 26
2006-01-01 U.S. Geological Survey Environmental mapping of the World Trade Center area with imaging spectroscopy after the September 11, 2001 attack [8] 18
2006-01-01 U.S. Geological Survey Materials characterization of dusts generated by the collapse of the World Trade Center [9] 19
2006-01-01 U.S. Geological Survey Inorganic chemical composition and chemical reactivity of settled dusts generated by the World Trade Center building collapse [10] 39


http://speclab.cr.usgs.gov/wtc/photos/

http://speclab.cr.usgs.gov/wtc/



Determination of a Diagnostic Signature for World Trade Center Dust using Scanning Electron Microscopy Point Counting Techniques: http://pubs.usgs.gov/of/2005/1031/pdf/OF2005_1031_508.pdf

Percent Range, Outdoor Percent Range, Indoor

Gypsum 26.3 – 53.3 63.3 – 63.7

Concrete 19.3 – 30.8 14.0 – 21.0


RJ Lee Group report: pg 13

Gypsum and other calcium sulfate phases were found to comprise up to 30%




http://pubs.usgs.gov/of/2003/ofr-03-128/ofr-03-128.html

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