Definitions.

As used in the LPG and CNG Act: A. "liquefied petroleum gases", "LPG" or "LP gas" means any material that is composed predominantly of any of the following hydrocarbons or mixtures of them: propane, propylene, butanes (normal butane or iso-butane) and butylenes; B. "compressed natural gases", "CNG", "liquefied natural gases" and "LNG" means mixtures of hydrocarbon gases, vapors or liquids consisting principally of methane that has been compressed for vehicular fuel; C. "product" or "products" of liquefied petroleum gases or compressed natural gases are considered to be liquefied petroleum gases or compressed natural gases, respectively; D. "qualified instructor" means an employee, owner or other qualified individual who has passed the required examination and performed for at least one year the work being taught; E. "inspector" means a person hired by the bureau to enforce under administrative direction the laws and safety rules and regulations of the bureau with respect to the LP gas industry and the use of CNG and LNG in motor vehicles; F. "division" means the construction industries division of the regulation and licensing department; G. "bureau" means the liquefied petroleum and compressed gas bureau of the division; and H. "commission" means the construction industries commission.