Home / Standards / GB/T 3840-1991 GB/T 3840-1991 Active Technical methods for making local emission standards of air pollutants 制定地方大气污染物排放标准的技术方法 Standard Type GBT ICS 13.040.20 CCS Z04 Status 现行 Issue Date 1991-08-31 Implementation 1992-06-01 Responsible Dept 生态环境部 Drafting Unit N/A