Recommended Practice for the Addition of Supplemental Anodes to sti-P3® USTs (R972)

The Recommended Practice for the Addition of Supplemental Anodes to sti-P3® USTs (R972) contains information regarding the number, size and type of anodes which may be used to supplement the cathodic protection of a sti-P3® tank, the installation of the anodes, the installation of test stations, and methods for verifying the proper operation of the anodes after installation. 

Topics include:

• Equipment Requirements
• Reference Electrode Use, Care, and Maintenance
• Tank Testing Procedure
• Electrical Isolation Testing
• Current Requirement Test
• Determining the Amount of Supplemental Anodes Needed
• Anode Handling and Installation
• Electrical Connections
• Test Station Installation
• Verification of System Operation

The tanks which are considered in this recommended practice (RP) are shop fabricated steel storage tanks built according to the sti-P3® standard. 

Revised: December 2010

Format: PDF