The provisions of this subchapter apply to pressurized components of a CNG system, and are applicable to both engine fuel systems and compression, storage, and dispensing systems.     
     Source Note:        The provisions of this §13.21 adopted to be effective November 15, 1990, 15 TexReg 5936; amended to be effective October 15, 1993, 18 TexReg 7157; amended to be effective February 15, 2021, 46 TexReg 1035