New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 5 - PETROLEUM STORAGE TANKS
Part 110 - GENERAL OPERATING REQUIREMENTS FOR ABOVE GROUND STORAGE TANK SYSTEMS
Section 20.5.110.1002 - OPERATION, MAINTENANCE, REPAIR AND REPLACEMENT OF SECONDARY CONTAINMENT FOR ASTS
Current through Register Vol. 35, No. 18, September 24, 2024
A. Owners and operators shall operate, maintain and repair secondary containment in accordance with 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. Owners and operators shall not store inside the secondary containment any material which is chemically reactive with the regulated substance stored in the AST system, or with the AST itself. Owners and operators shall not store any material in the secondary containment that reduces the capacity of the secondary containment below the requirements in 20.5.109.904 NMAC.
C. Owners and operators shall draw off any accumulation of liquid in the secondary containment, including all sumps, within one week of the accumulation, and shall remove any other debris that has accumulated inside the secondary containment. Owners and operators shall properly treat and dispose of any accumulated liquid with a visible sheen. If gravity drain valves are used to remove the accumulated liquid from the secondary containment, owners and operators shall keep all valves closed except during the process of draining the accumulated liquid.
D. In order to maintain the highest level of secondary containment in case of a discharge from, or an overfill of, an AST system, owners and operators shall keep the spill containment buckets, catchment basins, containment sumps, basin sumps, and piping trenches free of water, regulated substances and debris.
E. Owners and operators shall, in accordance with 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:
F. Owners and operators shall use one or more of the following to comply with the concrete secondary containment system repair requirements in Subsection E above:
G. Owners and operators shall maintain, repair and replace any geo-synthetic liner according to manufacturer's instructions, which owners and operators shall keep readily available at the facility for the life of the liner.
H. Owners and operators shall protect from corrosion any secondary containment constructed of steel, and shall cathodically protect any portion of the steel secondary containment that is in contact with an electrolyte, including soil or water. Owners and operators shall maintain the exterior of any steel secondary containment in accordance with 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. The following shall be used to comply with this requirement: Society of Protective Coatings SSPC-PA-1, "Shop, Field, and Maintenance Painting of Steel".
I. Owners and operators of above ground storage tanks which are either double-walled or which have an interstitial space that is monitored as a method of release detection shall comply with the following applicable requirements:
J. Owners and operators shall operate, maintain, and repair containment sumps on AST systems in order to prevent any leaks or spills in the containment area from entering the environment.
K. Under-dispenser containment must allow for visual inspection and access to the components in the containment system or be periodically monitored for liquid in the sump in accordance with 20.5.110.1008 NMAC.
L. Containment sumps shall be maintained to meet requirements in 20.5.110.1007 NMAC.