Laboratory documentation of transmission electron microscopy analysis results for an air sample collected from a New York City Board of Education site in December 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.
Technical data sheet for the twelfth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on February 2, 2002.