Section 16-11-12 - Gas leaks(a) A systematic inspection program shall be maintained for the purpose of detecting leaks and observing conditions which might cause or be connected with possible leaks. Leakage inspection may be accomplished by any single or combination of the following methods: Vegetation surveys, line patrolling, and the testing of bar-holes and utility manholes with a combustible gas indicator.(b) Every gas company shall make prompt investigation of each report of a gas leak to discover and correct the cause. A record shall be kept of the condition found and the corrective measures taken.(c) Each gas company shall report to the commission such leaks as are caused by broken mains, services, and defective joints which are of such a nature as might have resulted in serious consequences.(d) Every gas company shall provide itself with one or more reliable devices for detecting the presence of combustible gas in the atmosphere.Conn. Agencies Regs. § 16-11-12