Concentration and Distribution of Heavy Metals in Urban Airborne

Mar 17, 2005 - Due to PGE emissions, the use of exhaust catalysts has been debated since their introduction in the U.S. and Germany in 1975 and 1986, ...
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Environ. Sci. Technol. 2005, 39, 2983-2989

Concentration and Distribution of Heavy Metals in Urban Airborne Particulate Matter in Frankfurt am Main, Germany F A T H I Z E R E I N I , * ,† F R I E D R I C H A L T , ‡ JU ¨ RGEN MESSERSCHMIDT,‡ CLARE WISEMAN,† INGO FELDMANN,‡ ALEX VON BOHLEN,‡ JU ¨ RGEN MU ¨ LLER,§ KARLHEINZ LIEBL,| AND WILHELM PU ¨ TTMANN† Institute of Mineralogy, Department of Analytical Environmental Chemistry, J.W. Goethe-University, Georg-Voigt-Strasse 16, D-60054 Frankfurt am Main, Institute of Spectrochemistry and Applied Spectroscopy, Bunsen-Kirchhoff-Strasse 11, D-44139 Dortmund, Umweltbundesamt, Paul-Ehrlich-Strasse 29, D-63225 Langen, and Hessisches Landesamt fu ¨ r Umwelt und Geologie, Rheingaustrasse 186, D-65203 Wiesbaden, Germany

Heavy metal concentrations were measured in airborne dust collected at three sites with different traffic densities from August 2001 to July 2002 in the Frankfurt am Main area. Bulk samples of particulate matter (PM) with an aerodynamic equivalent diameter of