1. Toxicity of Individual Compounds, Safe Concentrations, and Toxicity to Different Age Groups 2. Influence of Environmental Conditions on the Toxicity of Pesticides to Fish 3. Toxicity of Formulations, Isomers, and Degradation Products 4. Joint Action of Pesticide Mixtures 5. Insecticide Resistance in Fish 6. Sub Lethal Effects of Pesticides On Fish 7. Polychlorinated Biphenyls and Related Compounds 8. Environmental Hazard Evaluation and Prediction