How frequently must tank linings be inspected?

Tank linings must be inspected every 5 years to ensure they are functioning properly and to identify any potential issues that could lead to leaks or contamination. This timeframe allows for periodic assessment of the lining's condition, providing an opportunity to address any wear, degradation, or damage that may occur due to the chemicals contained within the tanks and environmental factors. Regular inspections help maintain compliance with safety regulations and protect the surrounding environment.

While annual inspections may be necessary for other components of underground storage systems, they are not specifically mandated for tank linings, and longer intervals, like every 10 years, could lead to undetected failures. A 5-year inspection schedule strikes a balance between ensuring safety and practicality for operators conducting these evaluations.