Home / Standards / GB 4284-1984 GB 4284-1984 Active Control standards for pollutants in sludges from agricultural use 农用污泥中污染物控制标准 Standard Type GB ICS 13.060.30 CCS Z71 Status 现行 Issue Date 1984-05-18 Implementation 1985-03-01 Responsible Dept 生态环境部 Drafting Unit N/A