Install CO2 monitoring and alarm systems in areas with 25 people/1000 sf. within each naturally ventilation space, and an outdoor airflow measurement device to measure conditions within 15% of minimum outdoor air rate
is ventilation provided by mechanically powered equipment, such as motor-driven fans and blowers, but not by devices such as wind-driven turbine ventilators and mechanically operated windows.
is ventilation provided by thermal, wind or diffusion effects through doors, windows or other intentional openings in the building.
parts per million
is process of supplying air to or removing air from a space for the purpose of controlling air contaminant levels, humidity, or temperature within the space