Analysis of Fish.- Analysis of Invertebrates.- Analysis of Water Plant Life, Zooplankton and Phytoplankton.- Pollution Levels in The Aqueous Environment.- Qualitative Toxicity Data of Cations, Fish and Invertebrates.- Qualitative Toxicity Data of Organic Compounds, Fish and Invertebrates.- Qualitative Toxicity Data of Organometallic Compounds, Fish and Invertebrates.- Toxic Effect on Phytoplankton, Algae and Weeds.- Toxicity Index, LC50, Mean(Sx) and Percentile (S95) Concentrations of Toxicants.- Toxicity Evaluation, Water Analysis Based.- Toxicity Evaluation - Animal Tissue Analysis Based.- Appendices