Home / Standards / GB/T 25031-2010 GB/T 25031-2010 Active Disposal of sludge from municipal wastewater treatment plant - Quality of sludge used in making brick 城镇污水处理厂污泥处置 制砖用泥质 Standard Type GBT ICS N/A CCS P41 Status 现行 Issue Date 2010-09-02 Implementation 2011-05-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A