California ICC UST Service Technician Practice Exam

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If automatic line leak detectors fail testing, what is required?

  1. They must be recalibrated

  2. They must be replaced

  3. They must be repaired

  4. They must be ignored if under a certain limit

The correct answer is: They must be replaced

When automatic line leak detectors fail testing, the correct response is that they must be replaced. This requirement stems from the critical role these detectors play in ensuring the safety and integrity of underground storage tank systems. Automatic line leak detectors are designed to continuously monitor the fuel lines for leaks and their functionality is vital in preventing hazardous spills that can lead to environmental contamination. If a detector fails its testing, it signifies that it may not reliably detect leaks in the future, potentially leading to serious operational hazards and regulatory violations. Replacing the malfunctioning detector ensures that the monitoring system functions as intended, maintaining compliance with safety regulations and protecting the environment. While options regarding recalibration or repair might seem reasonable, they do not ensure the immediate functionality of the detector to provide accurate leak detection, which is critical in this context. Ignoring a failing detector is never an acceptable practice when safety is at stake.

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