A Decision - Maker’s Guide to Dispersants: A Review of the Theory and Operational Requirements This is the second of three short summary publications commissioned for preparation by the API fo r oil spill response deci sion - makers to provide concise easy - to - use information on under standing the fate of spilled oil and dispersants, their use, effectiveness, and effects. This publication provides a summary of dispersant technology. It focuses on chemical dispersant technology and the information needs of decision - makers regarding the use of chemical dispersants and their pote ntial benefits and risks. A reference that every oil spill response deci sion - maker must have!