China 'GB/T 11939-1989
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 11939-1989
Standard method for hygienic examination of dinitrobenzene and nitrochlorobenzene in drinking water sources--Gas chromato-graphy 水源水中二硝基苯类和硝基氯苯类卫生检验标准方法 气相色谱法
Issued Date:1989-09-21
Implemented Date:1990-07-01
Issued by:
The Standardization Administration of the People's Republic of China