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 Active Issue Date 2010-09-02 Implementation 2011-05-01 Centralized Committee 住房城乡建设部 Issuing Authority 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会