8 
6.4.4.1 Water 199 
6.4.4.2 Sediment 202 
6.4.4.3 Biota 203 
6.4.4.4 Discussion 205 
6.4.5 Pentachlorophenol (PCP) 207 
6.4.5.1 Water 208 
6.4.5.2 Sediment and Biota 208 
6.4.5.3 Discussion 208 
6.4.6 Dicofol 210 
6.4.6.1 Water 210 
6.4.6.2 Toxicity screening of dicofol and dichlorobenzophenone 211 
6.4.6.3 Discussion 212 
6.5 References 213 
6.6 Appendix 217 
6.6.1 Reagents and solvents 217 
6.6.2 GC-MS method for the determination of Chlorpyrifos, Endosulfan and Trifluralin 217 
6.6.3 Procedure for the analysis of Chlorpyrifos, Endosulfan and Trifluralin in water 218 
6.6.4 Procedure for the analysis of Chlorpyrifos, Endosulfan and Trifluralin in sediment 219 
6.6.5 Procedure for the analysis of Chlorpyrifos, Endosulfan and Trifluralin in fish liver 219 
6.6.6 Procedure for the analysis of Pentachlorophenol and Trichloropyndinol in water 220 
6.6.6.1 HPLC-MS analysis 220 
6.6.7 Procedure for the analysis of Dicofol in water 222 
6.6.7.1 GC-EI method for Dicofol 222 
6.6.8 Tables 223 
6.7 Publications and conference contributions of project results 238 
7 List of Tables and Figures 239