According to the ACGIH Bioaerosols, what is considered the ultimate cleaning criterion?

The ultimate cleaning criterion, as stated in the ACGIH Bioaerosols guidelines, revolves around the ability of people to safely reoccupy the space. This perspective emphasizes that effective remediation not only involves cleaning surfaces or reducing contaminants but also ensuring that the environment is safe for human health.

Reoccupying a space indicates that all necessary measures have been taken to create a safe atmosphere, free from the adverse effects of microbial contamination. While factors like surface cleanliness and airborne contaminant levels are important in the cleaning process, they ultimately serve the purpose of protecting the health and safety of occupants. The focus on reoccupancy illustrates the importance of a holistic approach to remediation, balancing both cleanliness and the well-being of individuals who will occupy the area.