Air Systems Cleaning Specialist (ASCS) Practice Exam

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What action should an ASCS take if microbial growth is suspected during a pre-cleaning inspection?

  1. Immediately put on a respirator and inform the occupants

  2. Stop the inspection and recommend a complete system cleaning

  3. Inspect the supply and return ducts as part of the inspection

  4. Close up the system to prevent cross-contamination

The correct answer is: Stop the inspection and recommend a complete system cleaning

When microbial growth is suspected during a pre-cleaning inspection, the most appropriate action is to recommend a complete system cleaning. This is crucial because addressing potential microbial contamination promptly is essential for both health and safety. Microbial growth can lead to poor indoor air quality and various health issues for the occupants. By stopping the inspection and advising a complete cleaning of the system, the ASCS ensures that all areas potentially affected by the growth are thoroughly addressed, preventing further contamination and ensuring that the environment is safe for occupants. While other options might seem relevant, they do not adequately prioritize the immediate need for a thorough assessment and remediation of the microbial threat.

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