Final answer:
The exact number of air exchanges in a decontamination area was not provided. The importance of maintaining air quality by implementing a cleaning and maintenance program for air conditioning systems in facilities was highlighted.
Step-by-step explanation:
When discussing air exchanges in the context of a decontamination area, this refers to the number of times the air within a space is replaced with fresh air in a given period. In many healthcare settings, the requirement could range from 6 to 12 air exchanges per hour.
However, the provided information does not specify the exact number of air exchanges for a decontamination area. Instead, it highlights the importance of a comprehensive cleaning of the air conditioning system and implementation of a regular maintenance program to prevent biofilm growth within a cooling tower, thus ensuring a high-quality indoor air environment.
Practices such as the use of cooling towers to increase the rate of evaporation are mentioned, indicating the technical approaches to maintaining air quality and heat dissipation without giving a specific number of air changes.