California UST System Operator Practice Test

Is temporary closure allowed indefinitely for UST systems?

1. Yes

2. No

3. Only for specific durations

4. Only if approved

The correct answer is: Yes

Temporary closure of UST (Underground Storage Tank) systems is not permitted indefinitely. While a UST can be temporarily closed for maintenance or other reasons, there are regulations that dictate the duration and necessary steps that must be taken to ensure compliance with environmental safety standards. When tanks are temporarily closed, they are expected to be monitored and properly maintained to prevent leaks and other environmental impacts. Extended periods of closure without proper oversight can lead to a variety of regulatory non-compliance issues, and may necessitate further actions such as notifications or potential conversion to permanent closure if the inactivity continues beyond acceptable limits. In summary, temporary closure allows for a controlled period during which certain maintenance or operational adjustments can be made, but indefinite closure is not consistent with regulatory requirements aimed at ensuring the safety and integrity of UST systems. It's essential for operators to adhere to guidelines set forth by regulatory bodies regarding the duration and conditions for temporary closures.