Tougher environmental and safety regulations and cost cutting are forcing refiiers and petrochemical companies to search for new tools to manage the integrity of aging equipment. A Risk Based approach to equipment management can be used to quantify and compare the relative cost benefits of inspection practices and policies. In the refining and petrochemical industries, the use of risk analysis as a decision-making tool is gaining industry acceptance. Currently, the American Petroleum Institute (API) is developing a recommended practice for the use of Risk Based Inspection methodology. Keywords: Risk Based Inspection(RBI), maintenance, inspection, cost benefit analysis, delayed coking, reliability, hydrotreater, damage factors, crude slate, naphthenic acid, stress corrosion cracking, mean time between failure (MTBF), toxics, inventory, H2S damage, corrosion