HEPA Filters

Published: 16 June 2026| Version 1 | DOI: 10.17632/d8wsvcm4sn.1
Contributor:
Rodrigo Carrillo

Description

CFU results of terminal HEPA filters in a Class C cleanroom, 813 records that represent 3 years of retrospective environmental monitoring data from 79 filters.

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Airborne viable particles in the Class C areas were monitored using active air sampling by impaction on agar plates, the primary technique for quantifying CFU per cubic meter at predefined critical locations within each room. A standard volume of 1.0 m³ of air was sampled at each monitoring event per location. Analytical variation is not considered in this study, so CFU counts are treated as observed. Total CFU were analyzed without differentiating by species or pathogen

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