248 CMR, § 4.02
For the purpose of 248 CMR 4.00 through 8.00, the following terms shall have the meanings indicated in 248 CMR 4.02. No attempt is made to define ordinary words that are used in accordance with their established dictionary meaning, except where it is necessary to define their meaning to avoid misunderstanding. Definitions in M.G.L. c. 142 are not repeated here, unless further clarity is required. These definitions shall not be interpreted to conflict with or otherwise expand or reduce the scope of the provisions of M.G.L. c. 142.
Buildings under Construction. Any structure being built, including tents, which utilize gas on a temporary basis.
Fuel Gas. A natural gas, manufactured gas, or other mixture of gases typically combusted, consumed, or otherwise utilized as the source of energy for power, refrigeration, heating or illuminating purposes. Hazardous industrial type gases or Category M liquids as defined in M.G.L. c. 146, § 81 which are not used for power, refrigeration, heating or illuminating purposes, but are instead used for processes, biopharma or semi-conductor manufacturing, shall not be considered fuel gases.
NFPA 54. The 2012 Edition of the National Fuel Gas Code published by the National Fire Protection Association.
NFPA 58. The 2011 Edition of the National Liquefied Petroleum Gas Code published by the National Fire Protection Association, including Errata Number 58-11-1 issued October 29, 2010 and Errata Number 58-11-2 issued November 30, 2011.
NFPA 85. The 2011 Edition of the Boiler and Combustion Systems Hazards Code published by the National Fire Protection Association including Errata Number 85-11-1 issued April 29, 2011.
NFPA 86. The 2011 Edition of the Standard for Ovens and Furnaces published by the National Fire Protection Association including Errata Number 86-11-1 issued February 13, 2014, Tentative Interim Amendment TIA 11-1 issued August 5, 2010, Tentative Interim Amendment TIA 11-2 issued August 5, 2010, Tentative Interim Amendment TIA 11-3 issued March 1, 2011, and Tentative Interim Amendment TIA 11-4 issued March 1, 2011.
Piping System beyond a Gas Meter Outlet or Regulator. All components of a piping system beyond a specialized flow meter installed by a serving gas supplier or initial specialized device which serves to reduce the pressure of a provided fuel gas installed by a serving gas supplier; such a system shall also include all piping for the intake of fuel gases such as oxygen which are not provided by a serving gas supplier.
Power, Refrigeration, Heating or Illuminating Purposes. Shall mean use for the production of energy, cooling, heat, or light, but shall not mean the conversion of a gas to another gas, liquid, or solid form, which is then used for a manufacturing or industrial purpose.
248 CMR, § 4.02