Requirements

Requirements A. Testing of newly installed liquefied petroleum gas piping systems shall be conducted as a “pressure test” in compliance with the provisions of NFPA 54, Chapter 8, paragraph 8.1 and its subparagraphs (2024) (Pressure Testing and Inspection). B. Testing of liquefied petroleum gas piping systems that are already approved for service shall be conducted through use of the procedures for a “leak check”, which shall constitute the necessary pressure test described in Senate Bill 2787 (2026) when performed in the manner specified by NFPA 54, Chapter 8, paragraph 8.2 and its subparagraphs, as well as NFPA 54, Annex C(3)(2)(a) through (c) (2024). Leak checks must also be in compliance with the provisions of Title 19 Mississippi Administrative Code, Part 7, Chapter 14 (Leak Check Procedures and Requirements).