Minnesota Administrative Rules
Agency 167 - Pollution Control Agency
Chapter 7151 - ABOVEGROUND STORAGE OF LIQUID SUBSTANCES
STANDARDS FOR EXISTING ABOVEGROUND STORAGE TANKS
Part 7151.6600 - CORROSION PROTECTION
Current through Register Vol. 48, No. 39, March 25, 2024
Subpart 1. General.
Owners and operators shall apply corrosion protection to all steel tanks and tank systems except as otherwise provided in subpart 5.
Subp. 2. Tanks.
The floor of an existing steel aboveground storage tank must be protected from external corrosion using one or more of the following methods:
Subp. 3. Lines.
An existing steel line must be protected from external corrosion using one or more of the following methods:
Subp. 4. Design criteria.
Cathodic protection of existing steel tanks and lines must be designed by a corrosion expert in accordance with American Petroleum Institute Standards 651 and 1632, as applicable.
Subp. 5. Exclusions.
A secondary containment area for tanks or tank systems which complies with the requirements of part 7151.5400, subparts 1, 2, 3, items B to I, and 4, is excluded from the requirements of this part.
Subp. 6. Timing of compliance.
Owners and operators shall comply with this part effective November 1, 2003.
Statutory Authority: MS s 115.03