Chapter 90 - BOILERS, PRESSURE VESSELS, AND REFRIGERATION
- Subchapter 1 - GENERAL PROVISIONS (§§ 12:90-1.1 — 12:90-1.6)
- Subchapter 2 - DEFINITIONS (§ 12:90-2.1)
- Subchapter 3 - ADMINISTRATION (§§ 12:90-3.1 — 12:90-3.13)
- Subchapter 4 - BOILERS (§§ 12:90-4.1 — 12:90-4.16)
- Subchapter 5 - UNFIRED PRESSURE VESSELS (§§ 12:90-5.1 — 12:90-5.19)
- Subchapter 6 - REFRIGERATION SYSTEMS (§§ 12:90-6.1 — 12:90-6.5)
- Subchapter 7 - PRESSURE RELIEF VALVES (§§ 12:90-7.1 — 12:90-7.2)
- Subchapter 8 - LICENSING OF OPERATING ENGINEERS AND BOILER OPERATORS (§§ 12:90-8.1 — 12:90-8.20)
- Subchapter 9 - VIOLATIONS AND PENALTIES (§§ 12:90-9.1 — 12:90-9.5)
- Subchapter 10 - STANDARDS AND PUBLICATIONS REFERRED TO IN THIS CHAPTER (§§ 12:90-10.1 — 12:90-10.3)