HVAC engineers have to incorporate the calculations and directives of the Ashrae standard 62.1-2004 into the normal design process to improve ventilation air delivery. Calculation of the ventilation rate procedure are difficult but several tools exist to make it easier.
Calculation tools for the ventilation rate procedure

Year:
2006
Bibliographic info:
ASHRAE Journal, Vol 48 n° 11, november 2006, pp 16-24