215. Every high-risk underground steel tank that is not protected against corrosion according to the standard or document mentioned in section 8.42 of Chapter VIII of the Construction Code (chapter B-1.1, r. 2) as well as steel piping not protected against corrosion that is connected to the tank must be removed from the ground if the tank does not meet the requirements of ULC/ORD Standard C58.10-1992 Jacketed Steel Underground Tanks for Flammable and Combustible Liquids, published by the Underwriters’ Laboratories of Canada.
Despite the foregoing, the owner is not required to remove the piping from the ground if a leak detection test complying with the second paragraph of section 8.130 of Chapter VIII of the Construction Code indicates that the piping is leak-proof and the piping is protected against corrosion according to the requirements of RP0 Standard 169-2002 Control of External Corrosion on Underground or Submerged Metallic Piping Systems or RP0 Standard 285-2002 Corrosion Control of Underground Storage Tank System by Cathodic Protection, published by NACE International.
In addition, the owner is not required to remove a tank installed before 11 July 1991 from the ground immediately if the evaluation of the tank condition, as provided for in Schedule I, falls within any of zones 2 to 4 of the graph in the Schedule. The tank must then be removed not later than the time specified in paragraph 3 of the Schedule.