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An air sample taken outside the asbestos abatement containment area at the decontamination unit is referred to as what type of sample?

  1. Site assessment sample

  2. Barrier/Perimeter sample

  3. Control sample

  4. Background sample

The correct answer is: Barrier/Perimeter sample

The air sample taken outside the asbestos abatement containment area at the decontamination unit is referred to as a barrier/perimeter sample. This type of sampling is crucial to monitor the effectiveness of the containment measures implemented during asbestos abatement projects. Barrier or perimeter samples are specifically used to assess whether there is any migration of airborne asbestos fibers beyond the containment area. By evaluating these samples, contractors and supervisors can ensure that proper protocols are in place to protect workers and the surrounding environment from asbestos exposure. This sampling strategy helps in confirming that the containment is functioning as intended and that no hazardous materials are escaping into adjacent areas. The results from these samples can inform safety measures and necessary adjustments during the abatement process, thereby enhancing overall safety and compliance with regulatory requirements.