The intent of a cleanroom is to strictly monitor and control the concentration of airborne pollutants—such as microbes, aerosol particles, chemical vapors, and dust—that are present in the air. To accomplish this high degree of regulation, cleanroom equipment typically includes filters, air pressure controls, air locks, and several other design elements.
For successful contamination prevention, employees who work within cleanrooms must also wear appropriate protective apparel.
Understanding Cleanroom Classifications
Cleanrooms vary in complexity and size, depending on need. Currently, there are nine cleanroom classifications as outlined by the International Standards Organization, known collectively as ISO 14644-1 Standards. These standards are adopted from the now-defunct United States Federal Standard 209E, which was officially canceled by the General Services Administration of the US Department&n