To investigate the pollution characteristics of atmospheric particulate matter and its sources in Shijiazhuang City,TSP,PM10 and PM2.5 were collected in February 2013 at six sampling sites in the urban area,and 20 elements in the samples were determined by ICP-MS.The inorganic elements pollution characteristics in Shijiazhuang winter atmosphere were analyzed by using correlation analysis,t test and enrichment factor analysis.The results show that the elements of Al,Ca,Si,S have high content in particles wit...