Comparative studies on the concentrations of some elements in the urban air particulate matter in Lodz City of Poland and in Milan, Iataly.

Urban air particulate matter of the cities of Lodz (Poland) and Milan Italy collected in the years 2001 (from March to July) have been analyzed for the determination of several trace elements and heavy metals by Instrumental Neutron Activation analysis. The data were compared to assess the trace metals atmospheric pollution of the two cities.