LABORATORY VENTILATION PART 1 GENERAL

4 M. HEPA: High Efficiency Particulate Air (filter) for air filters of 99.97% or higher collection efficiency for 0.3 micrometers diameter droplets of an approved test aerosol operating at a rated airflow. N. Variable Air Volume (VAV) Ventilation System: A type of HVAC system specifically designed to vary the amount of

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