Home / Standards / GB 8921-2011 GB 8921-2011 Active Limit standards for 226Ra in phosphate fertilizer and its compound fertilizer 磷肥及其复合肥中226镭限量卫生标准 Standard Type GB ICS 13.280 CCS C57 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 国家卫生健康委 Drafting Unit 国家卫生健康委