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 3. DESIGN AND INSTALLATION |
SECTION 165:25-2-32. Compatibility
Latest version.
- (a) Owners and operators of all underground storage tank systems must use an underground storage tank system that is made of or lined with materials that are compatible with the substance stored in the system.(b) Owners and operators of underground storage tanks that contain regulated substances greater than ten percent (10%) ethanol or twenty percent (20%) biodiesel must demonstrate compatibility of the tank system, piping, containment sumps, pumping equipment, release detection equipment, as well as spill and overfill equipment by using one of the following methods:(1) Certification or listing of underground petroleum storage tank system equipment or components by a nationally recognized, independent testing laboratory for use with the regulated substance stored; or(2) Manufacturer's approval. The manufacturer's approval must be in writing, indicating an affirmative statement of compatibility, specify the range of biofuel blends the equipment or component is compatible with, and originate from the equipment or component manufacturer.