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 20.5.110.1010 - REPAIRS, REPLACEMENTS AND MODIFICATIONS
Current through Register Vol. 35, No. 18, September 24, 2024
Owners and operators of a storage tank system shall ensure that repairs, replacements, and modifications will prevent releases due to structural failure or corrosion as long as the storage tank system is used to store regulated substances. Owners and operators shall remove all regulated substances from a storage tank system when a release has been confirmed until it is repaired or replaced in accordance with the requirements of this section.
A. Determining whether repair, replacement or modification is necessary. Owners and operators shall determine whether a repair, replacement or modification to a storage tank system is necessary in consultation with a department inspector, after providing notice required by this part.
B. Owners and operators shall properly conduct repairs, replacements and modifications to storage tank systems 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, and in accordance with the manufacturer's instructions and recommended practices. Owners and operators shall use one or more of the following to comply with the requirements of this section:
C. Owners and operators shall not internally line ASTs as a means of repair.
D. Owners and operators shall tightness test a storage tank system that has been replaced, modified or repaired, prior to returning the system to service, in accordance with 20.5.111.1101 NMAC and Subparagraph (a) of Paragraph (3) of Subsection A of 20.5.111.1105 NMAC except as provided below:
E. Upon completion of a modification or repair of any cathodically protected storage tank system, owners and operators shall test the cathodic protection system in accordance with 20.5.110.1006 NMAC to ensure that it is operating properly.
F. Owners and operators of a storage tank system shall maintain records of each repair, replacement and modification until the storage tank system is permanently closed pursuant to 20.5.115 NMAC.
G. Owners and operators shall repair an above ground storage tank if an internal inspection determines that a release is occurring or that the tank bottom or shell thickness is below minimum thickness requirements. Owners and operators shall keep the records of internal inspections for the life of the tank. Minimum thickness requirements shall be determined by one of the following:
H. Owners and operators shall meet all applicable installation requirements of 20.5.109 NMAC, including testing requirements, when repairing, replacing or modifying a storage tank system involves installing new components. If any tank or piping of a tank system is replaced, owners and operators shall follow all requirements for properly assessing the site for contamination in compliance with 20.5.115 NMAC prior to installing the new components.
I. Repairs to secondary containment of tanks, piping and containment sumps must be tested for tightness according to the manufacturer's instructions, a code of practice developed by a nationally recognized association or independent testing laboratory, or according to requirements established by the implementing agency within 30 days following the date of completion of the repair.
J. Within 30 days following any repair to spill or overfill prevention equipment, the repaired spill or overfill prevention equipment must be tested or inspected, as appropriate, in accordance with 20.5.110.1005 NMAC to ensure it is operating properly.