Home / Standards / GB/T 28888-2012 GB/T 28888-2012 Active Technical requirements of gas monitoring for sewer and septic tanks 下水道及化粪池气体监测技术要求 Standard Type GBT ICS N/A CCS P41 Status 现行 Issue Date 2012-11-05 Implementation 2013-06-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A