This manual introduces the application of basic chemistry and chemical calculations to measure physical, chemical, and bacteriological parameters like turbidity and colour, dissolved oxygen, hardness, pH, alkalinity, organic content, Sulphates, Fluorides, Iron, Total Settle able solids, chloride, Suspended and Dissolved Solids, Ammonical Nitrogen, Bacteriological Analysis, chemical and biochemical oxygen demand of water and wastewater. Laboratory methods and interpretation of results with regard to environmental engineering applications such as design and operation of water and wastewater...