What is the focus of inspections for USTs with impressed current systems?

The focus of inspections for underground storage tanks (USTs) with impressed current systems primarily centers on the integrity of the cathodic protection. Impressed current cathodic protection systems are designed to prevent corrosion of tank materials, which is critical for maintaining the integrity of the UST. Regular inspections ensure that the electrical components of the system are functioning properly, that current is adequately protecting the tank, and that there are no degraded components that could lead to protective failures.

Conducting thorough checks on the cathodic protection system helps identify any potential problems before they lead to significant corrosion, which can cause leaks and environmental hazards. This proactive approach is essential for both compliance with regulations and the overall safety of the storage facility. Understanding the importance of this focus is key for operators in maintaining the longevity and safety of USTs equipped with impressed current systems.