chemical composition of tsp dust-sized as an indicator in geochemical fingerprinting of sediments

in this research elemental and chemical characteristics of atmospheric dust particulates including major and trace elements in two synoptic meteorological stations (abadan and urmia cities) during dust events and ambient periods have been evaluated. results showed that during dust events to ambient periods in both stations major elements including ca mg al and trace elements comprised p and u significantly increased. during non dusty days toxic elements including li cr cu zn as se sr nb cd sb pb and th due to accumulation of contaminants and combustion of fossil fuels and civic wastes in both stations increased. comparison of elemental amounts in abadan and urmia shows that some elements such as na k si mg al and ca in abadan station are as much twice as urmia city. elements of p ti and mn are at the same amount. but fe element has the highest concentration in urmia city than abadan. also quantitative amounts of ni pb cu cd and co elements in both stations are same and some of which including v as and se in abadan station are as 2 3 much as urmia city. but some elements such as cr zn and sn at urmia are in significant amount to abadan station.