Titre du document / Document title

Materials characterization of dusts generated by the collapse of the world trade center

Auteur(s) / Author(s)

MEEKER Gregory P. ; SUTLEY Stephen J. ; BROWNFIELD Isabelle K. ; LOWERS Heather A. ; BERN Amy M. ; SWAYZE Gregg A. ; HOEFEN Todd M. ; PLUMLEE Geoffrey S. ; CLARK Roger N. ; GENT Carol A. ;

Résumé / Abstract

The major inorganic components of the dusts generated from the collapse of the World Trade Center buildings on September 11, 2001 were concrete materials, gypsum, and man-made vitreous fibers. These components were likelyderived from lightweight Portland cement concrete floors, gypsum wallboard, and spray-on fireproofing and ceiling tiles, respectively. All of the 36 samples collected by the USGS team had these materials as the three major inorganic components of the dust. Components found at minor and trace levels include chrysotile asbestos, lead, crystalline silica, and particles of iron and zinc oxides. Other heavy metals, such as lead, bismuth, copper, molybdenum, chromium, and nickel, were present at much lower levels occurring in a variety of chemical forms. Several of these materials have health implications based on their chemical composition, morphology, and bioaccessibility.

Revue / Journal Title

A.C.S. symposium series   ISSN 0097-6156   CODEN ACSMC8 

Source / Source

2005, vol. 919, pp. 84-102 [19 page(s) (article)]

Langue / Language

Anglais

Editeur / Publisher

American Chemical Society, Washington, DC, ETATS-UNIS  (1974) (Revue)

Localisation / Location

INIST-CNRS, Cote INIST : 17351, 35400013433405.0050