Organochlorine pesticides in 14 samples in suspended particle matters and surface sediments of the south bank of the Yangtze estuary were determined by GC-ECD, and the concentration levels and distribution of HCHs and DDTs were analyzed in detail.

• 利用GC-ECD对长江口南岸14个采样点水体悬浮颗粒物(SPM)及表层沉积物进行了有机氯农药(OCPs)的测定；分析了其中HCHs和DDTs的赋存水平和形态分布.