Unités de filtration à très haute efficacité de confinement (CHEFU) dans le système de ventilation des installations de biosécurité

This document provides basic performance requirements and corresponding test methods for containment high efficiency filtration units (CHEFUs). This document is applicable to the devices used to remove harmful bio-aerosol in biosafety facilities and similar controlled environment. This document is not applicable to a filtration unit for removing radioactive aerosol.