New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 5 - PETROLEUM STORAGE TANKS
Part 109 - NEW AND UPGRADED ABOVE GROUND STORAGE TANK SYSTEMS: DESIGN, CONSTRUCTION, AND INSTALLATION
Section 20.5.109.911 - VENTING FOR ABOVE GROUND STORAGE TANK SYSTEMS
Current through Register Vol. 35, No. 6, March 26, 2024
A. Owners and operators shall design and construct venting for all above ground storage tank systems, following the current edition of an industry standard or code of practice developed by a nationally recognized association or independent testing laboratory approved in advance by the department.
B. Normal atmospheric tank vents shall be located so that the discharge point is outside of buildings and higher than the fill pipe opening. Vent pipes shall be installed not less than 15 feet from power ventilation air intake devices and not less than five feet from a building opening. Vent outlets and devices shall be designed and installed to minimize blockage. Normal vent piping on AST systems installed after the effective date of these regulations shall not be used for any purpose other than venting the tank.
C. Types of vent pipes.
D. One of the following shall be used to comply with the requirements of this section: