(a) Compliance with NFPA 52 §10.4 or requirements of this section does not ensure conformity with other state and federal regulations, such as those of the Texas Commission on Environmental Quality or the United States Environmental Protection Agency. Retail LNG dispensers shall comply with the applicable weights and measures requirements of the Texas Department of Agriculture relating to dispensing accuracy.     
      (b) All appurtenances and equipment placed into LNG service shall be certified, marked, or listed by a nationally recognized laboratory such as Underwriters Laboratory (UL), Factory Mutual (FM), CSA International or other such laboratories approved by AFS unless:      
        (1) the appurtenances or equipment are specifically prohibited for use by another section of this chapter; or       
        (2) there is no test specification or procedure developed by a testing laboratory for the appurtenances or equipment.       
      (c) Appurtenances and equipment that cannot be listed but are not prohibited for use by the rules in this chapter shall be acceptable for LNG service over the full range of pressures and temperatures to which they will be subjected under normal operating conditions.     
      (d) The licensee or operator of the appurtenance or equipment shall maintain documentation sufficient to substantiate any claims made regarding the safety of any valves, fittings, and equipment and shall, upon request, furnish copies to AFS.     
      (e) Manually operated container valves shall be provided for each container.     
      (f) Manually operated shutoff valves shall be installed in manifolds as close as practicable to a container or group of containers.     
     Source Note:        The provisions of this §14.2313 adopted to be effective May 26, 2003, 28 TexReg 4100; amended to be effective December 24, 2012, 37 TexReg 9921; amended to be effective February 15, 2021, 46 TexReg 1044