ENV     211

211     ENV 211 SANITARY BIOLOGY AND CHEMISTRY I (3 CR.) Teaches theory and laboratory techniques for control tests of water purification including bacteriology, color, turbidity, pH, alkalinity, hardness, coagulations, chlorides, fluorides, iron, manganese, detergents, bactericides, and nitrates. Includes in-plant studies at nearby plants. Studies theory and laboratory techniques for the determination of solids, dissolved oxygen, oxygen consumed, relative stability, bacteria, biochemical oxygen demand, organic nitrogen, volatile acids, toxic metals. Reading Level Requisite ENG 5. Must be taken in sequence. Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.