Home / Standards / HJ 945.3-2020 HJ 945.3-2020 Active 流域水污染物排放标准制订技术导则 Standard Type HJ94 ICS N/A CCS N/A Status Active Issue Date 2020-05-20 Implementation 2020-07-01 Centralized Committee 生态环境部 Issuing Authority 生态环境部