Examines the fundamental physical and chemical transformations affecting the fate and transport of organic contaminants in natural and treated waters. Emphasizes quantitative approach to solubility, vapor pressure, air-water exchange, sorption, hydrolysis and redox reactions, and photodegradation. Prerequisites: Requires pre-requisite courses of CHEN 1211 and CHEM 1211 (or CHEM 1113 and CHEM 1114 or CHEM 1271 or CHEM 1371).