ENVS 2221

(3 Credits) 3 Lecture hours, 3 Laboratory hours A study of the sources, transport, effects and fates of chemicals in surface waters. Topics include industrial effluents, the nature and composition of surface waters, the principles of water pollution control, aquatic environmental chemistry. Emphasis will be placed on water quality analysis: pH, acidity, alkalinity, hardness, residual chlorine, chloride, sulphate, dissolved oxygen, BOD, field sample preservation. Field trips will be arranged involving sampling procedures and field recording of data for chemical and physical water quality parameters. Note: This course can not be used as a General Science Option.