Home / Standards / GB/T 11938-1989 GB/T 11938-1989 Abolished Standard method for hygienic examination of chlorobenzenes in drinking water sources--Gas chromato-graphy 水源水中氯苯系化合物卫生检验标准方法 气相色谱法 Standard Type GBT ICS N/A CCS C51 Status Abolished Issue Date 1989-09-21 Implementation 1990-07-01 Centralized Committee 国家卫生健康委 Issuing Authority 中华人民共和国卫生部