1. (a) The complete LNG engine fuel system shall be leak tested.
2. (b) After installation, the piping and connections that are subject to container pressure shall be checked with a non-ammonia soap solution or a leak detector instrument after the equipment is connected and pressurized to its 90% of the maximum allowable working pressure of the container.
3. (c) If the completed LNG engine fuel system is leak tested with natural gas, the testing shall be done under adequately ventilated conditions.
4. (d) If an LNG container is involved in an accident or fire causing damage to the container, the container shall be replaced or removed and returned to a currently licensed Category 15, 20, or 50 licensee to be inspected and retested in accordance with the original manufacturer's specifications. The licensee who performs any repair, modification, or testing of a container shall file LNG Form 2008 with LP-Gas Operations before the container is returned to service.
5. (e) If a vehicle is involved in an accident or fire causing damage to any part of the LNG engine fuel system, the system shall be replaced or repaired as provided in these regulations and retested before it is returned to service.

Source Note:The provisions of this §14.2640 adopted to be effective May 26, 2003, 28 TexReg 4100; amended to be effective December 24, 2012, 37 TexReg 9921.