图2 玻璃纤维滤筒中无机元素含量分布(元素含量,mg/kg) Abstract:The inorganic element contents of the filter, which was used to collect exhaust sample, was a major impact on the monitoring results, however there was no relevant standards/specifications or systematic assessment and research about it. Ten glass filter from domestic manufacturer and two foreign quartz filter were screened in this study, which were used to determine the background content of 17 elements(beryllium, chromium, lead and so on), and to investigate the each element content distribution; and the glass fiber filter manufacture with the extreme content of each element was given in order to provide support to relevant researcher to screening. Key words:manufacturers; Glass fiber filter; Quartz filter; Inorganic element; Screening