声明
1. Introduction
1.1Physical-chemicalcharacterof pesticides
2.Materials and method
2.1Standards and reagents
2.2Samplingsitesand sample collection
2.3 Extraction andpurification
2.3.1 Water sample
2.3.2 Suspended particle and sediment sample
2.4 Instrumental Analysis
2.5 Quality Control and Quality Assurance (QA/QC)
3.Results and Discussion
3.1 The levels and distribution of OCPs in water，particleandsurface sediment
3.1.1. The concentration levels of OCPs in water,particle and surface sediment
3.1.2.The distribution of OCPs in water
3.1.3.The distribution of OCPs in the suspend particle
3.1.4. The distribution of OCPs in surface sediment
3.1.5.Compositions of DDTs and HCHs isomers insurfacesediment
3.2. The levels and distribution of PCBs in water,particle and surface sediment
3.2.1.The concentration levels of PCBs in water,suspendparticle and surface sediment
3.2.2. The distribution of PCBs in water and suspend particle
3.2.3. The distribution of PCBs insurface sediment
3.2.4.Compositions of PCBsisomers inwater and suspend particle
4. Conclusion
致谢
参考文献
附 录 A
