This laboratory course is designed to provide insight and experience into the fundamental principles taught in the environmental engineering course. These principles include solid determination, the spectrophotometer, and Beer's law. Acid-Base Titration Curves and Acid-Base Indicators, Alkalinity-Acidity and Determination of Alkalinity in Water, Determination of Water Hardness, Biochemical Oxygen Demand, Turbidity Determination, Jar Testing, Noise and Salinity Measurement