Home / Standards / GB 4284-2018 GB 4284-2018 Active Control standards of pollutants in sludge for agricultural use 农用污泥污染物控制标准 Standard Type GB ICS 93.030 CCS P41 Status 现行 Issue Date 2018-05-14 Implementation 2019-06-01 Responsible Dept 住房城乡建设部 Drafting Unit 住房城乡建设部