Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 165. Corporation Commission |
Chapter 25. Underground Storage Tanks |
Subchapter 2. General Requirements for Underground Storage Tank Systems |
Part 5. PROTECTION AGAINST CORROSION |
SECTION 165:25-2-51. Corrosion protection
Latest version.
- Any portion of a metallic tank or piping system in contact with the soil must be protected from corrosion. A cathodic protection system must be designed by a corrosion expert, installed and maintained in accordance with recognized standards of design. One of the following codes of practice shall be used to comply with this section:(1) NACE International Test Method TM 0101, "Measurement Techniques Related to Criteria for Cathodic Protection of Underground Storage Tank Systems";(2) NACE International Test Method TM 0497, "Measurement Techniques Related to Criteria for Cathodic Protection on Underground or Submerged Metallic Piping Systems";(3) Steel Tank Institute Recommended Practice R051, "Cathodic Protection Testing Procedures for STI-P3®Underground Storage Tanks";(4) NACE International Standard Practice SP 0169, "Control of External Corrosion on Underground or Submerged Metallic Piping Systems"; or(5) NACE International Standard Practice SP 0285, "External Control of Underground Storage Tank Systems by Cathodic Protection.