Home / Standards / GB/T 7492-1987 GB/T 7492-1987 Active Water quality--Determination ofBHC and DDT--Gas chromatography 水质 六六六、滴滴涕的测定 气相色谱法 Standard Type GBT ICS 13.060 CCS Z16 Status 现行 Issue Date 1987-03-06 Implementation 1987-08-01 Responsible Dept 生态环境部 Drafting Unit N/A