API RP 651 - 2007 Cathodic Protection of Aboveground Petroleum Storage Tanks (Eng)

American Petroleum Institute (API) Third Edition, January 2007. 46p. The purpose of this recommended practice is to present procedures and practices for achieving effective corrosion control on aboveground storage tank bottoms through the use of cathodic protection. It contains provisions for the application of cathodic protection to existing and new storage tanks. Corrosion control methods based on chemical control of the environment or the use of protective coatings are not covered in detail.