How should you address a failing test if the facility requires compliance?

• A. Continue testing at a reduced pressure.
• B. Document the failure and stop.
• C. Identify and repair the leak source, then repeat the test following all preparation steps.
• D. Ignore the failure and proceed.

Answer: (C)

When a tank tightness test fails, the priority is to locate the leak, repair it, and then retest after completing all required preparation steps. This ensures the system’s integrity is actually verified under the proper conditions, meeting safety and compliance requirements. Continuing at a lower pressure would not fix the underlying leak and could mask the problem, while simply documenting the failure or ignoring it doesn’t bring the system into compliance or ensure safety. After repairs, performing the test again with full preparation confirms the leak is addressed and the test results are valid.