Home / Standards / GB 13456-1992 GB 13456-1992 Abolished Discharge standard of water pollutants for iron and steel industry 钢铁工业水污染物排放标准 Standard Type GB ICS 13.060.30 CCS Z61 Status 废止 Issue Date 1992-05-13 Implementation 1992-07-01 Responsible Dept 生态环境部 Drafting Unit N/A