Which of the following is true regarding UST monitoring?

Monitoring of Underground Storage Tanks (USTs) is indeed a regulated requirement, and one of the key aspects of UST management is ensuring environmental safety and compliance with regulations. Regular monitoring helps detect any issues like leaks or spills that could potentially harm the environment or public health.

The requirement for monitoring every three years aligns with federal and state regulation standards, which mandate that UST owners perform testing and monitoring to ensure their systems are functioning correctly and not leaking hazardous substances. This proactive approach is critical to early detection and prevention of contamination, ensuring that the UST systems are safe and compliant with environmental laws.

In contrast, if monitoring were optional or only at the discretion of the owner, it could lead to undetected faults within the storage system, posing risks to the environment and public safety. Additionally, daily monitoring isn't practical or legally required for most UST systems, as it places unnecessary burden on owners without significantly enhancing safety protocols. Lastly, only monitoring when there is a suspected leak would be insufficient, as this reactive approach could result in significant harm before a leak is discovered. Regular monitoring thus serves as a preventative measure to maintain safety and compliance continuously.