Home / Standards / HJ 544-2009 HJ 544-2009 Abolished 固定污染源废气 硫酸雾的测定 离子色谱法(暂行) Standard Type HJ54 ICS N/A CCS N/A Status Abolished Issue Date 2009-12-31 Implementation 2010-04-01 Centralized Committee 生态环境部 Issuing Authority 生态环境部