(a) 
The term "liquefied petroleum gases" or "LPG" is used herein and shall be construed to mean and include any material which is composed predominantly of any of the following hydrocarbons, or mixtures thereof: propane, propylene, butane (normal butane or isobutane) and butylenes.
(b) 
The term "liquefied petroleum gas equipment" as herein referred to shall be construed to embrace all devices, containers, piping and equipment pertinent to the use of liquefied petroleum gas, except gas-burning appliances.
(c) 
The term "appliances" as herein referred to shall be construed to embrace all gas-burning appliances for use with liquefied petroleum gas.
(1974 Code of Ordinances, Chapter 11, Section 11-97)
Installation of liquefied petroleum gas equipment and handling of LPG shall be in conformity with the provisions of this article with the statutes of the State of Texas, and with the Safety Rules of the Liquefied Petroleum Gas Division which contains the safety rules, regulations and/or standards promulgated by the Railroad Commission of Texas pursuant to Chapter 113, Natural Resources Code of Texas covering the handling and odorization of Liquefied Petroleum Gases and specification for the design, construction, installation and equipment used in the transportation, storage and dispensing of liquefied petroleum gases.
(1974 Code of Ordinances, Chapter 11, Section 11-98)
Every person, firm or corporation installing liquefied petroleum gas equipment, other than replacing of approved portable cylinders in the City of Hillsboro, Texas, shall keep a record of each installation, showing the name and address of the, customer at whose place the liquefied petroleum gas equipment has been installed and the date of the installation, and shall disclose such record to the city manager of the City of Hillsboro or his designated agent, at any time upon his request during regular business hours.
(1974 Code of Ordinances, Chapter 11, Section 11-99)
All ordinances or parts of ordinances in conflict with this article are hereby repealed.
(1974 Code of Ordinances, Chapter 11, Section 11-100)
If any provision of this article shall be adjudged invalid or be held unconstitutional, the same shall not affect the validity of the article as a whole or any part or provision hereof other than the part or parts so decided to be invalid or held to be unconstitutional.
(1974 Code of Ordinances, Chapter 11, Section 11-101)
Any person, firm or corporation who shall violate any of the provisions of this article and who, after notice from the city manager of the City of Hillsboro, Texas, shall fail to correct any incorrect installation within twenty (20) days after receiving such notice, shall be guilty of a misdemeanor and upon conviction thereof shall be punished by a fine in accordance with the general penalty provision set forth in Section 1.109 of this code.
(1974 Code of Ordinances, Chapter 11, Section 11-102)