217. The owner must subject the petroleum equipment to a leak detection test in accordance with the second paragraph of section 8.130 of Chapter VIII of the Construction Code (chapter B-1.1, r. 2) if, for an unknown reason, an event causes a leak or the presence of a petroleum product or petroleum product vapours in the vicinity of the equipment. If the leak detection test indicates a leak, all defective components in the installation must be repaired or replaced and another leak detection test must be performed.