What must be done if a fuel oil tank is found to be leaking?

When a fuel oil tank is found to be leaking, the most appropriate action is to isolate the tank and make repairs as soon as possible. This method prioritizes safety and environmental protection, as fuel oil leaks can pose significant hazards, including fire risks and contamination of soil and water sources.

Isolating the tank helps to contain any potential spills and prevents further leakage while repairs are being made. Prompt repairs are essential to restore the integrity of the tank and ensure that the system returns to safe operating conditions without further risk of environmental harm.

This response is justified because, unlike replacing the tank outright, which may not be feasible in all situations or may take time and resources, or ignoring a small leak, which could exacerbate the issue and lead to more severe consequences, taking immediate action to repair the leak ensures safety and compliance with regulations governing fuel oil storage and handling. Filling the tank with water, on the other hand, can create additional complications, such as introducing corrosion or structural failure due to improper maintenance practices.