Corrosion is a major problem to most industries and construction companies. It has always been an expensive management problem. This book provide insights on corrosion of mild steel, types of corrosion, and how to control corrosion using different substances. The book is centered on the mechanism of corrosion inhibition by dioctyl phthalate. It contain reviews on different methods of corrosion inhibition studies, ranging from plant extracts, to a combination of different compounds. The effect of medium was also studied and reported extensively.