Home / Standards / GB/T 28888-2026 GB/T 28888-2026 Upcoming 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 93.030 CCS P41 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A