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Article: Findings from Environmental Protection Agency provide new insights into science and technology.
- Article from:
- Economics Week
- Article date:
- April 3, 2009
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According to recent research from the United States, "The collapse of the World Trade Center Towers on September 11, 2001, sent dust and debris across much of Manhattan and in the surrounding areas. Indoor and outdoor dust samples were collected and characterized by U.S."
"Geological Survey (USGS) scientists using scanning electron microscopy with energy-dispersive spectrometry (SEM/EDS). From this characterization, the U.S. Environmental Protection Agency and USGS developed a particulate screening method to determine the presence of residual World Trade Center dust in the indoor environment using slag wool as a primary ''signature''. The method describes a ...
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