What defines mold remediation?

The definition of mold remediation centers on the processes involved in addressing existing mold contamination, particularly when it exceeds a specific threshold, which is often cited as 10 square feet. This option accurately captures the essence of remediation by highlighting the need for not only removal but also the treatment of the affected areas. Mold remediation aims to eliminate mold growth and prevent its recurrence, ensuring a healthy indoor environment.

The other options, while related to mold management practices, do not specifically define remediation itself. Testing for humidity levels, for example, is a crucial aspect of preventing mold growth, but it doesn't encompass the act of remediation. Similarly, assessing mold potential and performing air quality tests are important steps in mold management and evaluation, but they do not constitute the actual remediation process where mold is actively removed or treated. Thus, the focus on the extent of mold presence (over a certain area) in the correct answer is what distinguishes it as the definition of mold remediation.