Asbestos Hazard Emergency Response Act (AHERA) Certification Practice Exam

What is the minimum number of samples to take from a popcorn ceiling texture in a room with 984 square feet?

1. 1 sample

2. 2 samples

3. 3 samples

4. 4 samples

The correct answer is: 3 samples

The correct answer is based on the guidelines established by the Asbestos Hazard Emergency Response Act (AHERA), which outlines the procedures for sampling materials that may contain asbestos. For textured ceilings, such as popcorn ceilings, the regulations dictate that a minimum of three samples should be collected in any room that exceeds 100 square feet. This requirement is in place because it helps to ensure that the sampling adequately represents the overall condition and material composition of the ceiling texture. Sampling less than three times could lead to an inaccurate assessment, as it would not capture the potential variability of asbestos content within the ceiling texture. Given the size of the room in question, which measures 984 square feet, it is essential to follow this guideline to ensure a comprehensive evaluation that minimizes the risk for exposure and complies with safety regulations. Therefore, taking three samples meets the minimum requirement for effective assessment and is essential for proper hazard evaluation.