Texas Mold Remediation Contractor State Practice Exam

Which method is not recommended for cleaning mold on porous materials?

1. Wet vacuum

2. HEPA vacuum

3. Damp wipe

4. Scrap and replace

The correct answer is: Scrap and replace

The method of "scrap and replace" is considered not recommended for cleaning mold on porous materials due to its invasive nature and potential for extensive disruption. Porous materials, such as wood, drywall, and upholstery, can absorb moisture and mold spores, making it difficult to completely remove the mold without degrading or damaging the material. While "scrap and replace" may effectively eliminate visible mold, it does not address the underlying conditions that contributed to mold growth in the first place, such as moisture sources. This method involves removing the entire material and replacing it with new material, which can be costly and time-consuming. In contrast, the other methods listed—wet vacuum, HEPA vacuum, and damp wipe—can be used to manage mold on porous materials more effectively. Wet vacuums can help remove moisture and loose mold spores, HEPA vacuums are designed to filter out even the smallest mold particles from the air and surfaces, and damp wiping can help clean surfaces without excessive moisture that could lead to further mold growth. Therefore, while partial cleaning methods may be less disruptive and more effective for addressing mold on porous materials, "scrap and replace" is not aligned with best practices for mold remediation in this context.