Home / Standards / GB/T 11937-1989 GB/T 11937-1989 Abolished Standard method for hygienic examination of benzenes in drinking water sources--Gas chromato-graphy 水源水中苯系物卫生检验标准方法 气相色谱法 Standard Type GBT ICS N/A CCS C51 Status 废止 Issue Date 1989-09-21 Implementation 1990-07-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A