Determination of Organochlorine Pesticides in Coastal Waters of Qingdao City, China: a Comparison of GC-MS and GC-ECD Methods in Seawater Applications-2 Publication Attachment: 05-172.pdf Authors: Xu, Xiaoqin, LI, Qingling, Lee, Frank S.C., WANG, Xiaoru, LI, Lei Year: 2005