Requirement:
a
Description:
A demand controlled ventilation system regulates the ventilation rate of outdoor air to keep carbon dioxide levels in the space below 800 ppm (measured at 1.2-1.8 m [4-6 ft] above the floor).
Support Threshold:
The IDPH's Guidelines for Indoor Air Quality recommend properly ventilated buildings should have carbon dioxide levels with a floor or building average of 800 ppm or less.
Part:
Demand Controlled Ventilation
RecDocTitile:
Guidelines for Indoor Air Quality